Missing artifact jdk.tools:jdk.tools:jar:1.8

环境:win10 jdk1.8

图片说明
这个是eclipse里报的错!我想解决这个问题
首先说明:我要解决的方法并不是要你告诉我在pom.xml文件里加依赖
因为我是在编译别人的代码时出现的这个问题,已确定代码无问题且无法修改

我认为应该是我jdk或者eclipse哪里配置的问题,希望能修复这个问题。下面贴出我的一些配置,希望有大佬能指点解决这个问题。
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这个是classpath的配置,不知道有没有问题,但是现在在cmd里输入java和javac是正常的。

图片说明

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eclipse里jdk的配置。

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jdk安装的时候有分开安装,应该是不会有啥覆盖的情况。

图片说明图片说明

这里我清楚我的maven仓库里并没有这个jdk.tools,我可以在cmd里mvn导入,但我这里希望就是能不能通过设置一下哪里,让他能贼自动找到jdk/lib/tools.jar这个东西。因为我需要让一个我无法修改的项目也能够找到这个tools.jar,所以我希望能做出全局的修改。

如果我加系统依赖的话会出现

图片说明

我只前有说过,我在cmd里输出java和javac都是可以正常反应的,环境变量不知道有没有问题。
上面图片的异常是Project build error: 'dependencies.dependency.systemPath' for jdk.tools:jdk.tools:jar must specify an absolute path but is ${JAVA_HOME}/lib/tools.jar

希望有大佬能指点解决这个问题,万分感谢!

1个回答

看截图,貌似看不到什么,不介意的话把项目打包给我看看、

H051529
H131488 博主 ,在吗?
2 个月之前 回复
qq_34872748
L星火燎原 回复xiaolin_wxl: 解决了就好,搞程序嘛,经常会碰到类似的问题。。。
一年多之前 回复
xiaolin_wxl
xiaolin_wxl 找到问题了,居然是我的java_home这个环境变量变量名设置的时候设置成了java__home,居然检查几次我都没看出来。。。偏偏javac和java都能用。。。谢谢,顺着你说的这个找过来的才找到原因的
一年多之前 回复
qq_34872748
L星火燎原 右键项目-->Run AS--->Maven clean---->Maven install
一年多之前 回复
qq_34872748
L星火燎原 回复xiaolin_wxl: <systemPath>${JAVA_HOME}/../lib/tools.jar</systemPath>
一年多之前 回复
xiaolin_wxl
xiaolin_wxl 回复L星火燎原: 这样我之前做过,但是不行,所以我一直坚持认为我哪里设置有问题,题目已更新
一年多之前 回复
qq_34872748
L星火燎原 在怎么样你得告诉程序你要怎么做对吧,所以这样配置你试试应该是可以的。
一年多之前 回复
qq_34872748
L星火燎原 手动指定
一年多之前 回复
qq_34872748
L星火燎原 <dependency> <groupId>jdk.tools</groupId> <artifactId>jdk.tools</artifactId> <version>1.8</version> <scope>system</scope> <systemPath>${JAVA_HOME}/lib/tools.jar</systemPath> </dependency>
一年多之前 回复
qq_34872748
L星火燎原 那就只能这样 :
一年多之前 回复
xiaolin_wxl
xiaolin_wxl 回复L星火燎原: 我的意思是让这个maven找tools.jar这个jar包的时候不是从我maven仓库里去找,而是能关联到jdk1.8/lib/tools.jar,这样不行么?
一年多之前 回复
qq_34872748
L星火燎原 如果真有这种神操作,麻烦也告诉我,学习学习。
一年多之前 回复
qq_34872748
L星火燎原 回复xiaolin_wxl: 你说的让他能贼自动找到jdk/lib/tools.jar这个东西。。。这个我在工作中并没有碰到,这个只能手动去引入这个包了,别转牛角尖了吧,软件也是人写出来的,不可能什么都设计的非常完美,都是有自己的规则的。
一年多之前 回复
xiaolin_wxl
xiaolin_wxl 回复L星火燎原: 大佬还在不在,刚有事去了,现在更新了
一年多之前 回复
qq_34872748
L星火燎原 回复xiaolin_wxl: 把你builpath中的Libraries截图看看
一年多之前 回复
xiaolin_wxl
xiaolin_wxl 与项目无关,很多项目都这样,如果是我自己的项目的话我可以在pom.xml文件里添加依赖就行了,但是我现在在试着编译hadoop3.1.1,然后也是报这个错了
一年多之前 回复
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java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.VerifyError: class net.sf.cglib.core.DebuggingClassWriter overrides final method visit.(IILjava/lang/String;Ljava/lang/String;Ljava/lang/String;[Ljava/lang/String;)V at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:756) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2395) at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:855) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1327) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1180) at net.sf.cglib.core.AbstractClassGenerator.<init>(AbstractClassGenerator.java:38) at net.sf.cglib.core.KeyFactory$Generator.<init>(KeyFactory.java:127) at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:112) at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108) at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104) at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:69) at org.springframework.aop.framework.Cglib2AopProxy.createEnhancer(Cglib2AopProxy.java:229) at org.springframework.aop.framework.Cglib2AopProxy.getProxy(Cglib2AopProxy.java:171) at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:112) at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.createProxy(AbstractAutoProxyCreator.java:477) at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.wrapIfNecessary(AbstractAutoProxyCreator.java:362) at org.springframework.aop.framework.autoproxy.AbstractAutoProxyCreator.postProcessAfterInitialization(AbstractAutoProxyCreator.java:322) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:407) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1461) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) ... 24 more

taotao商城在第二天的进度中出现数据报错,求大佬帮忙看看哪里问题

配置文件找了几次了,没有找到有哪里出现了错误。 ``` [INFO] Scanning for projects... [INFO] ------------------------------------------------------------------------ [INFO] Reactor Build Order: [INFO] [INFO] taotao-manager [pom] [INFO] taotao-manager-pojo [jar] [INFO] taotao-manager-dao [jar] [INFO] taotao-manager-interface [jar] [INFO] taotao-manager-service [war] [INFO] [INFO] ---------------------< com.taotao:taotao-manager >---------------------- [INFO] Building taotao-manager 0.0.1-SNAPSHOT [1/5] [INFO] --------------------------------[ pom ]--------------------------------- [INFO] [INFO] --- maven-install-plugin:2.4:install (default-install) @ taotao-manager --- [INFO] Installing C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\pom.xml to C:\Users\50427\.m2\repository\com\taotao\taotao-manager\0.0.1-SNAPSHOT\taotao-manager-0.0.1-SNAPSHOT.pom [INFO] [INFO] -------------------< com.taotao:taotao-manager-pojo >------------------- [INFO] Building taotao-manager-pojo 0.0.1-SNAPSHOT [2/5] [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ taotao-manager-pojo --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-pojo\src\main\resources [INFO] [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ taotao-manager-pojo --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] --- maven-resources-plugin:2.7:testResources (default-testResources) @ taotao-manager-pojo --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-pojo\src\test\resources [INFO] [INFO] --- maven-compiler-plugin:3.2:testCompile (default-testCompile) @ taotao-manager-pojo --- [INFO] No sources to compile [INFO] [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ taotao-manager-pojo --- [INFO] No tests to run. [INFO] [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ taotao-manager-pojo --- [INFO] [INFO] --- maven-install-plugin:2.4:install (default-install) @ taotao-manager-pojo --- [INFO] Installing C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-pojo\target\taotao-manager-pojo.jar to C:\Users\50427\.m2\repository\com\taotao\taotao-manager-pojo\0.0.1-SNAPSHOT\taotao-manager-pojo-0.0.1-SNAPSHOT.jar [INFO] Installing C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-pojo\pom.xml to C:\Users\50427\.m2\repository\com\taotao\taotao-manager-pojo\0.0.1-SNAPSHOT\taotao-manager-pojo-0.0.1-SNAPSHOT.pom [INFO] [INFO] -------------------< com.taotao:taotao-manager-dao >-------------------- [INFO] Building taotao-manager-dao 0.0.1-SNAPSHOT [3/5] [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ taotao-manager-dao --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 12 resources [INFO] [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ taotao-manager-dao --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] --- maven-resources-plugin:2.7:testResources (default-testResources) @ taotao-manager-dao --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-dao\src\test\resources [INFO] [INFO] --- maven-compiler-plugin:3.2:testCompile (default-testCompile) @ taotao-manager-dao --- [INFO] No sources to compile [INFO] [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ taotao-manager-dao --- [INFO] No tests to run. [INFO] [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ taotao-manager-dao --- [INFO] [INFO] --- maven-install-plugin:2.4:install (default-install) @ taotao-manager-dao --- [INFO] Installing C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-dao\target\taotao-manager-dao.jar to C:\Users\50427\.m2\repository\com\taotao\taotao-manager-dao\0.0.1-SNAPSHOT\taotao-manager-dao-0.0.1-SNAPSHOT.jar [INFO] Installing C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-dao\pom.xml to C:\Users\50427\.m2\repository\com\taotao\taotao-manager-dao\0.0.1-SNAPSHOT\taotao-manager-dao-0.0.1-SNAPSHOT.pom [INFO] [INFO] ----------------< com.taotao:taotao-manager-interface >----------------- [INFO] Building taotao-manager-interface 0.0.1-SNAPSHOT [4/5] [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ taotao-manager-interface --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-interface\src\main\resources [INFO] [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ taotao-manager-interface --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] --- maven-resources-plugin:2.7:testResources (default-testResources) @ taotao-manager-interface --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-interface\src\test\resources [INFO] [INFO] --- maven-compiler-plugin:3.2:testCompile (default-testCompile) @ taotao-manager-interface --- [INFO] No sources to compile [INFO] [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ taotao-manager-interface --- [INFO] No tests to run. [INFO] [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ taotao-manager-interface --- [INFO] [INFO] --- maven-install-plugin:2.4:install (default-install) @ taotao-manager-interface --- [INFO] Installing C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-interface\target\taotao-manager-interface.jar to C:\Users\50427\.m2\repository\com\taotao\taotao-manager-interface\0.0.1-SNAPSHOT\taotao-manager-interface-0.0.1-SNAPSHOT.jar [INFO] Installing C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-interface\pom.xml to C:\Users\50427\.m2\repository\com\taotao\taotao-manager-interface\0.0.1-SNAPSHOT\taotao-manager-interface-0.0.1-SNAPSHOT.pom [INFO] [INFO] -----------------< com.taotao:taotao-manager-service >------------------ [INFO] Building taotao-manager-service 0.0.1-SNAPSHOT [5/5] [INFO] --------------------------------[ war ]--------------------------------- [INFO] [INFO] --- maven-resources-plugin:2.7:resources (default-resources) @ taotao-manager-service --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 6 resources [INFO] [INFO] --- maven-compiler-plugin:3.2:compile (default-compile) @ taotao-manager-service --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] --- maven-resources-plugin:2.7:testResources (default-testResources) @ taotao-manager-service --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-service\src\test\resources [INFO] [INFO] --- maven-compiler-plugin:3.2:testCompile (default-testCompile) @ taotao-manager-service --- [INFO] Nothing to compile - all classes are up to date [INFO] [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ taotao-manager-service --- [INFO] Surefire report directory: C:\Users\50427\Desktop\工程(1)\工程\taotao-manager\taotao-manager-service\target\surefire-reports ------------------------------------------------------- T E S T S ------------------------------------------------------- Running com.taotao.test.pagehelper.TestPageHelper 2019-05-19 22:15:23,342 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,349 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,360 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,381 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,386 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,391 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,400 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,407 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,422 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,429 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,433 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,436 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,439 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,442 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,447 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,458 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,464 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,468 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) 2019-05-19 22:15:23,471 [Druid-ConnectionPool-Create-1287514490] [com.alibaba.druid.pool.DruidDataSource]-[ERROR] create connection error java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4208) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4140) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:925) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1747) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1287) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1375) at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1431) at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1844) ```

springboot2.1 引入spring-boot-starter-web时启动 报错

``` java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [NonLoginAuthenticator[StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[]]] at java.util.concurrent.FutureTask.report(FutureTask.java:122) [na:1.8.0_191] at java.util.concurrent.FutureTask.get(FutureTask.java:192) [na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:914) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:831) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1382) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1372) [tomcat-embed-core-9.0.14.jar:9.0.14] at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) [na:1.8.0_191] at java.util.concurrent.FutureTask.run(FutureTask.java) [na:1.8.0_191] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.14.jar:9.0.14] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:907) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:423) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:933) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:398) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:106) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:415) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:174) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:181) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:154) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:540) [spring-context-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at com.example.demo.DemoApplication.main(DemoApplication.java:10) [classes/:na] Caused by: org.apache.catalina.LifecycleException: Failed to start component [NonLoginAuthenticator[StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[]]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:441) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardPipeline.startInternal(StandardPipeline.java:181) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5041) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1382) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1372) [tomcat-embed-core-9.0.14.jar:9.0.14] at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) [na:1.8.0_191] at java.util.concurrent.FutureTask.run(FutureTask.java) [na:1.8.0_191] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) [tomcat-embed-core-9.0.14.jar:9.0.14] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) [na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:907) [tomcat-embed-core-9.0.14.jar:9.0.14] ... 30 common frames omitted Caused by: java.lang.NoSuchMethodError: javax.servlet.ServletContext.getVirtualServerName()Ljava/lang/String; at org.apache.catalina.authenticator.AuthenticatorBase.startInternal(AuthenticatorBase.java:1178) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] ... 41 common frames omitted 2019-01-21 22:19:30.303 ERROR 30556 --- [ main] org.apache.catalina.core.ContainerBase : A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: A child container failed during start at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.8.0_191] at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:914) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:423) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:933) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:398) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:106) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:86) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:415) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:174) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:181) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:154) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:540) [spring-context-5.1.4.RELEASE.jar:5.1.4.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE] at com.example.demo.DemoApplication.main(DemoApplication.java:10) [classes/:na] Caused by: org.apache.catalina.LifecycleException: A child container failed during start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:926) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:831) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1382) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1372) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) ~[na:1.8.0_191] at java.util.concurrent.FutureTask.run(FutureTask.java) ~[na:1.8.0_191] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) ~[na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:907) ~[tomcat-embed-core-9.0.14.jar:9.0.14] ... 21 common frames omitted Caused by: java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [NonLoginAuthenticator[StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[]]] at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[na:1.8.0_191] at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:914) ~[tomcat-embed-core-9.0.14.jar:9.0.14] ... 30 common frames omitted Caused by: org.apache.catalina.LifecycleException: Failed to start component [NonLoginAuthenticator[StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[]]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:441) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardPipeline.startInternal(StandardPipeline.java:181) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5041) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1382) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1372) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) ~[na:1.8.0_191] at java.util.concurrent.FutureTask.run(FutureTask.java) ~[na:1.8.0_191] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) ~[na:1.8.0_191] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:907) ~[tomcat-embed-core-9.0.14.jar:9.0.14] ... 30 common frames omitted Caused by: java.lang.NoSuchMethodError: javax.servlet.ServletContext.getVirtualServerName()Ljava/lang/String; at org.apache.catalina.authenticator.AuthenticatorBase.startInternal(AuthenticatorBase.java:1178) ~[tomcat-embed-core-9.0.14.jar:9.0.14] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) [tomcat-embed-core-9.0.14.jar:9.0.14] ... 41 common frames omitted Disconnected from the target VM, address: '127.0.0.1:57321', transport: 'socket' 2019-01-21 22:19:30.321 INFO 30556 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2019-01-21 22:19:30.322 WARN 30556 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat 2019-01-21 22:19:30.322 INFO 30556 --- [ main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2019-01-21 22:19:30.333 ERROR 30556 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter : *************************** APPLICATION FAILED TO START *************************** Description: An attempt was made to call the method javax.servlet.ServletContext.getVirtualServerName()Ljava/lang/String; but it does not exist. Its class, javax.servlet.ServletContext, is available from the following locations: jar:file:/C:/Program%20Files%20(x86)/JAVA/JDK/jre/lib/ext/servlet-api.jar!/javax/servlet/ServletContext.class jar:file:/C:/Mavn/maven-repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.14/tomcat-embed-core-9.0.14.jar!/javax/servlet/ServletContext.class It was loaded from the following location: file:/C:/Program%20Files%20(x86)/JAVA/JDK/jre/lib/ext/servlet-api.jar Action: Correct the classpath of your application so that it contains a single, compatible version of javax.servlet.ServletContext Process finished with exit code 1 ``` idea生成的springboot项目,当pom文件引入spring-boot-starter-web时 启动报错

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报错代码如下: [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:codegen:jar:1.0 [WARNING] 'version' contains an expression but should be a constant. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 10, column 14 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:jpress-commons:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:jpress-core:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:jpress-core:[unknown-version], D:\Program Files\jpress\jpress-core\pom.xml, line 55, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:jpress-web:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:jpress-service-api:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:jpress-service-provider:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:jpress-model:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:jpress-template:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-article-model:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-article-web:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-article-service-api:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-article-service-provider:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-article:pom:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-page-model:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-page-web:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-page-service-api:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-page-service-provider:jar:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:module-page:pom:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:starter:jar:1.0 [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-remote-resources-plugin @ io.jpress:starter:[unknown-version], D:\Program Files\jpress\starter\pom.xml, line 203, column 21 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:starter:[unknown-version], D:\Program Files\jpress\starter\pom.xml, line 142, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:starter-tomcat:war:1.0 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:starter-tomcat:[unknown-version], D:\Program Files\jpress\starter-tomcat\pom.xml, line 164, column 21 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-war-plugin is missing. @ io.jpress:starter-tomcat:[unknown-version], D:\Program Files\jpress\starter-tomcat\pom.xml, line 221, column 21 [WARNING] [WARNING] Some problems were encountered while building the effective model for io.jpress:parent:pom:1.0 [WARNING] 'version' contains an expression but should be a constant. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 10, column 14 [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-compiler-plugin is missing. @ io.jpress:parent:${jpress.version}, D:\Program Files\jpress\pom.xml, line 146, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] ------------------------------------------------------------------------ [INFO] Reactor Build Order: [INFO] [INFO] parent [pom] [INFO] codegen [jar] [INFO] jpress-commons [jar] [INFO] jpress-model [jar] [INFO] jpress-service-api [jar] [INFO] jpress-core [jar] [INFO] jpress-web [jar] [INFO] jpress-service-provider [jar] [INFO] jpress-template [jar] [INFO] module-article [pom] [INFO] module-article-model [jar] [INFO] module-article-service-api [jar] [INFO] module-article-service-provider [jar] [INFO] module-article-web [jar] [INFO] module-page [pom] [INFO] module-page-model [jar] [INFO] module-page-service-api [jar] [INFO] module-page-service-provider [jar] [INFO] module-page-web [jar] [INFO] starter [jar] [INFO] starter-tomcat [war] [INFO] [INFO] --------------------------< io.jpress:parent >-------------------------- [INFO] Building parent 1.0 [1/21] [INFO] --------------------------------[ pom ]--------------------------------- [INFO] [INFO] -------------------------< io.jpress:codegen >-------------------------- [INFO] Building codegen 1.0 [2/21] [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ codegen --- [WARNING] Using platform encoding (GBK actually) to copy filtered resources, i.e. build is platform dependent! [INFO] Copying 9 resources [INFO] skip non existing resourceDirectory D:\Program Files\jpress\codegen\src\main\resources [INFO] [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ codegen --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 7 source files to D:\Program Files\jpress\codegen\target\classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [INFO] 1 error [INFO] ------------------------------------------------------------- [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] parent 1.0 ......................................... SUCCESS [ 0.228 s] [INFO] codegen ............................................ FAILURE [ 4.318 s] [INFO] jpress-commons ..................................... SKIPPED [INFO] jpress-model ....................................... SKIPPED [INFO] jpress-service-api ................................. SKIPPED [INFO] jpress-core ........................................ SKIPPED [INFO] jpress-web ......................................... SKIPPED [INFO] jpress-service-provider ............................ SKIPPED [INFO] jpress-template .................................... SKIPPED [INFO] module-article ..................................... SKIPPED [INFO] module-article-model ............................... SKIPPED [INFO] module-article-service-api ......................... SKIPPED [INFO] module-article-service-provider .................... SKIPPED [INFO] module-article-web ................................. SKIPPED [INFO] module-page ........................................ SKIPPED [INFO] module-page-model .................................. SKIPPED [INFO] module-page-service-api ............................ SKIPPED [INFO] module-page-service-provider ....................... SKIPPED [INFO] module-page-web .................................... SKIPPED [INFO] starter ............................................ SKIPPED [INFO] starter-tomcat 1.0 ................................. SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 6.688 s [INFO] Finished at: 2018-10-27T17:50:59+08:00 [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project codegen: Compilation failure [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [ERROR] [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :codegen mvn -version运行正常: Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-18T02:33:14+08:00) Maven home: D:\Program Files\Apache\maven3.5.4\bin\.. Java version: 1.8.0_141, vendor: Oracle Corporation, runtime: C:\Program Files\Java\jre1.8.0_141 Default locale: zh_CN, platform encoding: GBK OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows" 阿里云镜像配置没问题: <mirrors> <!-- mirror | Specifies a repository mirror site to use instead of a given repository. 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说实话,自己的算法,我一个不会,太难了吧

程序员垃圾简历长什么样?

已经连续五年参加大厂校招、社招的技术面试工作,简历看的不下于万份 这篇文章会用实例告诉你,什么是差的程序员简历! 疫情快要结束了,各个公司也都开始春招了,作为即将红遍大江南北的新晋UP主,那当然要为小伙伴们做点事(手动狗头)。 就在公众号里公开征简历,义务帮大家看,并一一点评。《启舰:春招在即,义务帮大家看看简历吧》 一石激起千层浪,三天收到两百多封简历。 花光了两个星期的所有空闲时...

工作八年,月薪60K,裸辞两个月,投简历投到怀疑人生!

近日,有网友在某职场社交平台吐槽,自己裸辞两个月了,但是找工作却让自己的心态都要崩溃了,全部无果,不是已查看无回音,就是已查看不符合。 “工作八年,两年一跳,裸辞两个月了,之前月薪60K,最近找工作找的心态崩了!所有招聘工具都用了,全部无果,不是已查看无回音,就是已查看不符合。进头条,滴滴之类的大厂很难吗???!!!投简历投的开始怀疑人生了!希望 可以收到大厂offer” 先来看看网...

大牛都会用的IDEA调试技巧!!!

导读 前天面试了一个985高校的实习生,问了他平时用什么开发工具,他想也没想的说IDEA,于是我抛砖引玉的问了一下IDEA的调试用过吧,你说说怎么设置断点...

都前后端分离了,咱就别做页面跳转了!统统 JSON 交互

文章目录1. 无状态登录1.1 什么是有状态1.2 什么是无状态1.3 如何实现无状态1.4 各自优缺点2. 登录交互2.1 前后端分离的数据交互2.2 登录成功2.3 登录失败3. 未认证处理方案4. 注销登录 这是本系列的第四篇,有小伙伴找不到之前文章,松哥给大家列一个索引出来: 挖一个大坑,Spring Security 开搞! 松哥手把手带你入门 Spring Security,别再问密...

97年世界黑客编程大赛冠军作品(大小仅为16KB),惊艳世界的编程巨作

这是世界编程大赛第一名作品(97年Mekka ’97 4K Intro比赛)汇编语言所写。 整个文件只有4095个字节, 大小仅仅为16KB! 不仅实现了3D动画的效果!还有一段震撼人心的背景音乐!!! 内容无法以言语形容,实在太强大! 下面是代码,具体操作看最后! @echo off more +1 %~s0|debug e100 33 f6 bf 0 20 b5 10 f3 a5...

程序员是做全栈工程师好?还是专注一个领域好?

昨天,有位大一的同学私信我,说他要做全栈工程师。 我一听,这不害了孩子么,必须制止啊。 谁知,讲到最后,更确定了他做全栈程序员的梦想。 但凡做全栈工程师的,要么很惨,要么很牛! 但凡很牛的,绝不是一开始就是做全栈的! 全栈工程师听起来好听,但绝没有你想象的那么简单。 今天听我来给你唠,记得帮我点赞哦。 一、全栈工程师的职责 如果你学习编程的目的只是玩玩,那随意,想怎么学怎么学。...

不要再到处使用 === 了

我们知道现在的开发人员都使用 === 来代替 ==,为什么呢?我在网上看到的大多数教程都认为,要预测 JavaScript 强制转换是如何工作这太复杂了,因此建议总是使用===。这些都...

什么是a站、b站、c站、d站、e站、f站、g站、h站、i站、j站、k站、l站、m站、n站?00后的世界我不懂!

A站 AcFun弹幕视频网,简称“A站”,成立于2007年6月,取意于Anime Comic Fun,是中国大陆第一家弹幕视频网站。A站以视频为载体,逐步发展出基于原生内容二次创作的完整生态,拥有高质量互动弹幕,是中国弹幕文化的发源地;拥有大量超粘性的用户群体,产生输出了金坷垃、鬼畜全明星、我的滑板鞋、小苹果等大量网络流行文化,也是中国二次元文化的发源地。 B站 全称“哔哩哔哩(bilibili...

十个摸鱼,哦,不对,是炫酷(可以玩一整天)的网站!!!

文章目录前言正文**1、Kaspersky Cyberthreat real-time map****2、Finding Home****3、Silk – Interactive Generative Art****4、Liquid Particles 3D****5、WINDOWS93****6、Staggering Beauty****7、Ostagram图片生成器网址****8、全历史网址*...

终于,月薪过5万了!

来看几个问题想不想月薪超过5万?想不想进入公司架构组?想不想成为项目组的负责人?想不想成为spring的高手,超越99%的对手?那么本文内容是你必须要掌握的。本文主要详解bean的生命...

用了这个 IDE 插件,5分钟解决前后端联调!

点击上方蓝色“程序猿DD”,选择“设为星标”回复“资源”获取独家整理的学习资料!作者 |李海庆我是一个 Web 开发前端工程师,受到疫情影响,今天是我在家办公的第78天。开发了两周,...

大厂的 404 页面都长啥样?最后一个笑了...

每天浏览各大网站,难免会碰到404页面啊。你注意过404页面么?猿妹搜罗来了下面这些知名网站的404页面,以供大家欣赏,看看哪个网站更有创意: 正在上传…重新上传取消 腾讯 正在上传…重新上传取消 网易 淘宝 百度 新浪微博 正在上传…重新上传取消 新浪 京东 优酷 腾讯视频 搜...

自从喜欢上了B站这12个UP主,我越来越觉得自己是个废柴了!

不怕告诉你,我自从喜欢上了这12个UP主,哔哩哔哩成为了我手机上最耗电的软件,几乎每天都会看,可是吧,看的越多,我就越觉得自己是个废柴,唉,老天不公啊,不信你看看…… 间接性踌躇满志,持续性混吃等死,都是因为你们……但是,自己的学习力在慢慢变强,这是不容忽视的,推荐给你们! 都说B站是个宝,可是有人不会挖啊,没事,今天咱挖好的送你一箩筐,首先啊,我在B站上最喜欢看这个家伙的视频了,为啥 ,咱撇...

代码注释如此沙雕,会玩还是你们程序员!

某站后端代码被“开源”,同时刷遍全网的,还有代码里的那些神注释。 我们这才知道,原来程序员个个都是段子手;这么多年来,我们也走过了他们的无数套路… 首先,产品经理,是永远永远吐槽不完的!网友的评论也非常扎心,说看这些代码就像在阅读程序员的日记,每一页都写满了对产品经理的恨。 然后,也要发出直击灵魂的质问:你是尊贵的付费大会员吗? 这不禁让人想起之前某音乐app的穷逼Vip,果然,穷逼在哪里都是...

Java14 新特性解读

Java14 已于 2020 年 3 月 17 号发布,官方特性解读在这里:https://openjdk.java.net/projects/jdk/14/以下是个人对于特性的中文式...

前端还能这么玩?(女朋友生日,用前端写了一个好玩的送给了她,高兴坏了)

前端还能这么玩?(女朋友生日,用前端写了一个好玩的送给了她,高兴坏了)

爬虫(101)爬点重口味的

小弟最近在学校无聊的很哪,浏览网页突然看到一张图片,都快流鼻血。。。然后小弟冥思苦想,得干一点有趣的事情python 爬虫库安装https://s.taobao.com/api?_ks...

工作两年简历写成这样,谁要你呀!

作者:小傅哥 博客:https://bugstack.cn 沉淀、分享、成长,让自己和他人都能有所收获! 一、前言 最近有伙伴问小傅哥,我的简历怎么投递了都没有反应,心里慌的很呀。 工作两年了目前的公司没有什么大项目,整天的维护别人的代码,有坑也不让重构,都烦死了。荒废我一身技能无处施展,投递的简历也没人看。我是不动物园里的猩猩,狒狒了! 我要加班,我要996,我要疯狂编码,求给我个机会… ...

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