jenkins部署maven工程构建,报错“package org.springframework.web.bind.annotation does not exist”

【背景】:

1、jenkins部署maven工程做自动编译打包构建

2、工程集成了spring+springboot+mybatis

3、多模块方式部署maven工程,有一个总的pom工程。
4、总的pom工程由上游依赖(已install到仓库中)
【问题描述】:
构建此pom工程给多模块编译打包,报错

...I18nController.java:package org.springframework.web.bind.annotation does not exist.

...I18nController.java ..cannot find symbol..
...

【定位】:

1、初步排查应该是缺包导致的问题,根据代码报错找到为导入包为spring-web中的一个类找不到

2、因为继承jenkins构建使用的maven未配置localRepository,因此构建时下载的临时仓库在slave的WORKSPACE下的m2chche目录下。

3、可以明确在该m2chche种找到spring-web对应版本已下载的jar包。

4、在jenkins执行日志中,搜索加载到的"org/springframework/spring"时,其他的spring-jdbc,spring-tx,spring-core,spring-aop等包都能查到,但是查不到spring-web的。

5、根据spring boot的pom文件往上找依赖,在spring-boot-starter 找到spring-boot-starter-web,在往上找到spring-web的依赖,scope配置的 compile

至此暂没有头绪了。

【求助】:请教大家了解maven的朋友,给点指导,谢谢!

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org.apache.catalina.LifecycleException: A child container failed during start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1131) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:801) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 6 more 一月 19, 2018 2:58:22 下午 org.apache.catalina.startup.Catalina start 严重: The required Server component failed to start so Tomcat is unable to start. org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.startup.Catalina.start(Catalina.java:690) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:322) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:456) Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:732) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 7 more Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 9 more Caused by: org.apache.catalina.LifecycleException: A child container failed during start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1131) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:302) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 11 more

tomcat不规律报错........................

2017-2-25 5:27:24 org.apache.catalina.connector.CoyoteAdapter service 严重: An exception or error occurred in the container during the request processing java.lang.NullPointerException at org.apache.catalina.connector.CoyoteAdapter.postParseRequest(CoyoteAdapter.java:541) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:296) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source) 不规律的出现这个错 请问高人怎么破

jenkins +maven+tomcat 遇到的问题

1,构建成功后不往tomcat传war包。 ![图片说明](https://img-ask.csdn.net/upload/201704/07/1491563065_807710.jpg) 2,如何关闭一下插件: ![图片说明](https://img-ask.csdn.net/upload/201704/07/1491563096_757466.jpg) 求大神解惑。

Jenkins 2.73.3 版本自动部署到Tomcat报错

这是我的配置:![图片说明](https://img-ask.csdn.net/upload/201711/13/1510557566_437248.png) 这是tomcat-users.xml配置: <role rolename="manager"/> <role rolename="manager-script"/> <role rolename="manager-gui"/> <role rolename="manager-jmx"/> <role rolename="manager-status"/> <user username="admin" password="admin" roles="manager,manager-gui,manager-script,manager-jmx,manager-status"/> 以下是报错信息: Deploying C:\Users\Administrator\.jenkins\workspace\demo\target\dfs.war to container Tomcat 8.x Remote with context ERROR: Build step failed with exception org.codehaus.cargo.container.ContainerException: The [cargo.remote.username] and [cargo.remote.password] properties are mandatory and need to be defined in your configuration. at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.createManager(AbstractTomcatManagerDeployer.java:318) at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.getTomcatManager(AbstractTomcatManagerDeployer.java:83) at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:173) at hudson.plugins.deploy.CargoContainerAdapter.deploy(CargoContainerAdapter.java:77) at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:147) at hudson.plugins.deploy.CargoContainerAdapter$DeployCallable.invoke(CargoContainerAdapter.java:117) at hudson.FilePath.act(FilePath.java:998) at hudson.FilePath.act(FilePath.java:976) at hudson.plugins.deploy.CargoContainerAdapter.redeploy(CargoContainerAdapter.java:114) at hudson.plugins.deploy.PasswordProtectedAdapterCargo.redeploy(PasswordProtectedAdapterCargo.java:93) at hudson.plugins.deploy.DeployPublisher.perform(DeployPublisher.java:64) at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:45) at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:736) at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:682) at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.post2(MavenModuleSetBuild.java:1073) at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:627) at hudson.model.Run.execute(Run.java:1762) at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:543) at hudson.model.ResourceController.execute(ResourceController.java:97) at hudson.model.Executor.run(Executor.java:421) Build step 'Deploy war/ear to a container' marked build as failure Finished: FAILURE

maven编译问题, 着了魔一样的Compilation failure

被这个问题困扰好几天了, 目前已经处于崩溃状态, 实在是没有办法了,有人能解决这个问题吗, 我真的跪谢了. 环境变量 JAVA_HOME:D:\Program Files\Java\jdk1.7.0_79 ------------------------------------------------------ pom.xml插件配置如下: ...... <jdk.version>1.7</jdk.version> ...... <!-- Compiler 插件, 设定JDK版本 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.5.1</version> <configuration> <source>${jdk.version}</source> <target>${jdk.version}</target> <showWarnings>true</showWarnings> </configuration> </plugin> ---------------------------------------------- 报错信息如下: org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project scorpius: Compilation failure at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59) at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:318) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:153) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:555) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214) at org.apache.maven.cli.MavenCli.main(MavenCli.java:158) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:414) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:357) at org.codehaus.classworlds.Launcher.main(Launcher.java:47) Caused by: org.apache.maven.plugin.CompilationFailureException: Compilation failure at org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:729) at org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:128) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:106) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208) ... 20 more [ERROR] [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

maven新建web项目报错Failure to transfer org.codehaus.plexus:plexus:pom:2.0.5

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docker maven,使用部署时出现错误!

这是报错的信息。 ![图片说明](https://img-ask.csdn.net/upload/201904/13/1555126901_51792.png) 首先为了确保宿主机可以远程访问,我已经修改了ExecStart=后添加配置 ‐H tcp://0.0.0.0:2375 ‐H unix:///var/run/docker.sock 然后添加了 相关依赖 然后敲击命令mvn clean package docker:build ‐DpushImage,上传的时候就报这个错了,有知道怎么解决的大神吗。

jenkins集成maven依赖问题

有两个项目A,B,B依赖于A,网上说在构建B之前会自动构建A, 但我的不会,导致构建出错,有人知道是怎么回事吗

jenkins maven android项目打包apk

RT,在jenkins如何打包maven管理的android项目。 ant打包已经试过,没有效果,这个只能打包自由风格的项目吧; maven应该可以打包android项目的,只要配置好pom.xml文件,结果报错了 我是根据这篇文章配置的pom.xml,命令行运行mvn clean package报错 unknown <packaging>apk</packaging> 在jenkins报错: [INFO] /bin/sh: /root/android-sdk-macosx/build-tools/19.1.0/aapt: cannot execute binary file [ERROR] Error when generating sources. org.apache.maven.plugin.MojoExecutionException: at com.jayway.maven.plugins.android.phase01generatesources.GenerateSourcesMojo.generateR(GenerateSourcesMojo.java:745) 。。。 Caused by: com.jayway.maven.plugins.android.ExecutionException: ANDROID-040-001: Could not execute: Command = /bin/sh -c cd /root/.jenkins/workspace/apos && /root/android-sdk-macosx/build-tools/19.1.0/aapt package -m -J /root/.jenkins/workspace/apos/target/generated-sources/r -f --no-crunch -M /root/.jenkins/workspace/apos/AndroidManifest.xml -S /root/.jenkins/workspace/apos/res --auto-add-overlay -A /root/.jenkins/workspace/apos/target/generated-sources/combined-assets -I /root/android-sdk-macosx/platforms/android-17/android.jar --output-text-symbols /root/.jenkins/workspace/apos/target, Result = 126 为什么jenkins会报错无法执行命令,而在命令行运行mvn clean package时却unknown apk。。 求教~

maven sonar:sonar 构建sonar问题

2015-10-23 14:47:24 org.sonatype.guice.bean.reflect.Logs$JULSink warn 警告: Error injecting: org.codehaus.mojo.sonar.SonarMojo java.lang.TypeNotPresentException: Type org.codehaus.mojo.sonar.SonarMojo not present at org.sonatype.guice.bean.reflect.URLClassSpace.loadClass(URLClassSpace.java:109) at org.sonatype.guice.bean.reflect.NamedClass.load(NamedClass.java:45) at org.sonatype.guice.bean.reflect.AbstractDeferredClass.get(AbstractDeferredClass.java:45) at com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:84) at com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:52) at com.google.inject.internal.ProviderInternalFactory$1.call(ProviderInternalFactory.java:70) at com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:100) at org.sonatype.guice.plexus.lifecycles.PlexusLifecycleManager.onProvision(PlexusLifecycleManager.java:138) at com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision(ProvisionListenerStackCallback.java:108) at com.google.inject.internal.ProvisionListenerStackCallback.provision(ProvisionListenerStackCallback.java:55) at com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:68) at com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:45) at com.google.inject.internal.InjectorImpl$3$1.call(InjectorImpl.java:965) at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1011) at com.google.inject.internal.InjectorImpl$3.get(InjectorImpl.java:961) at com.google.inject.Scopes$1$1.get(Scopes.java:59) at org.sonatype.guice.bean.locators.LazyBeanEntry.getValue(LazyBeanEntry.java:83) at org.sonatype.guice.plexus.locators.LazyPlexusBean.getValue(LazyPlexusBean.java:49) at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:253) at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:245) at org.apache.maven.plugin.internal.DefaultMavenPluginManager.getConfiguredMojo(DefaultMavenPluginManager.java:455) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:92) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59) at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196) at org.apache.maven.cli.MavenCli.main(MavenCli.java:141) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352) Caused by: java.lang.UnsupportedClassVersionError: org/codehaus/mojo/sonar/SonarMojo : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:386) at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230) at org.sonatype.guice.bean.reflect.URLClassSpace.loadClass(URLClassSpace.java:101) ... 41 more [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------

从JENKINS创建了MAVEN项目在build之后如何deploy到kubernetes

我有个问题请教大学身,从JENKINS创建了MAVEN项目在build之后如何deploy到kubernetes,配置的插件提示缺少~/.kube/config,如何破

maven打包测试不通过Failed to load ApplicationContext

Test set: mcode.MainTest ------------------------------------------------------------------------------- Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 23.46 sec <<< FAILURE! test1(mcode.MainTest) Time elapsed: 23.101 sec <<< ERROR! java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContext(CacheAwareContextLoaderDelegate.java:99) at org.springframework.test.context.DefaultTestContext.getApplicationContext(DefaultTestContext.java:101) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:109) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:75) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:319) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:212) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:232) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:89) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:175) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189) at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165) at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'operatorLog': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sysLogService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [spring-mybatis.xml]: Cannot resolve reference to bean 'dataSource' while setting bean property 'dataSource'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [spring-mybatis.xml]: Invocation of init method failed; nested exception is com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

maven启动报错,无法开启服务

[ERROR] Failed to execute goal org.mortbay.jetty:maven-jetty-plugin:6.1.10:run (default-cli) on project parent: Webapp source directory F:\workspace\cat-master\src\main\webapp does not exist -> [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/MojoExecutionException

在中国程序员是青春饭吗?

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我以为我学懂了数据结构,直到看了这个导图才发现,我错了

数据结构与算法思维导图

数据库——玩转SQL语句(以MySQL为例)

一、前言 照着大学的SQL server来学

技术大佬:我去,你写的 switch 语句也太老土了吧

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总结了 150 余个神奇网站,你不来瞅瞅吗?

原博客再更新,可能就没了,之后将持续更新本篇博客。

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提到“程序员”,多数人脑海里首先想到的大约是:为人木讷、薪水超高、工作枯燥…… 然而,当离开工作岗位,撕去层层标签,脱下“程序员”这身外套,有的人生动又有趣,马上展现出了完全不同的A/B面人生! 不论是简单的爱好,还是正经的副业,他们都干得同样出色。偶尔,还能和程序员的特质结合,产生奇妙的“化学反应”。 @Charlotte:平日素颜示人,周末美妆博主 大家都以为程序媛也个个不修边幅,但我们也许...

MySQL数据库面试题(2020最新版)

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私下里,有不少读者问我:“二哥,如何才能写出一份专业的技术简历呢?我总感觉自己写的简历太烂了,所以投了无数份,都石沉大海了。”说实话,我自己好多年没有写过简历了,但我认识的一个同行,他在阿里,给我说了一些他当年写简历的方法论,我感觉太牛逼了,实在是忍不住,就分享了出来,希望能够帮助到你。 01、简历的本质 作为简历的撰写者,你必须要搞清楚一点,简历的本质是什么,它就是为了来销售你的价值主张的。往深...

程序员写出这样的代码,能不挨骂吗?

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面试官问HTTP与HTTPS的区别,我这样回答让他竖起大拇指!

程序员毕业去大公司好还是小公司好?

虽然大公司并不是人人都能进,但我仍建议还未毕业的同学,尽力地通过校招向大公司挤,但凡挤进去,你这一生会容易很多。 大公司哪里好?没能进大公司怎么办?答案都在这里了,记得帮我点赞哦。 目录: 技术氛围 内部晋升与跳槽 啥也没学会,公司倒闭了? 不同的人脉圈,注定会有不同的结果 没能去大厂怎么办? 一、技术氛围 纵观整个程序员技术领域,哪个在行业有所名气的大牛,不是在大厂? 而且众所...

程序员为什么千万不要瞎努力?

本文作者用对比非常鲜明的两个开发团队的故事,讲解了敏捷开发之道 —— 如果你的团队缺乏统一标准的环境,那么即使勤劳努力,不仅会极其耗时而且成果甚微,使用...

为什么程序员做外包会被瞧不起?

二哥,有个事想询问下您的意见,您觉得应届生值得去外包吗?公司虽然挺大的,中xx,但待遇感觉挺低,马上要报到,挺纠结的。

当HR压你价,说你只值7K,你该怎么回答?

当HR压你价,说你只值7K时,你可以流畅地回答,记住,是流畅,不能犹豫。 礼貌地说:“7K是吗?了解了。嗯~其实我对贵司的面试官印象很好。只不过,现在我的手头上已经有一份11K的offer。来面试,主要也是自己对贵司挺有兴趣的,所以过来看看……”(未完) 这段话主要是陪HR互诈的同时,从公司兴趣,公司职员印象上,都给予对方正面的肯定,既能提升HR的好感度,又能让谈判气氛融洽,为后面的发挥留足空间。...

面试阿里p7,被按在地上摩擦,鬼知道我经历了什么?

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终于懂了TCP和UDP协议区别

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无代码时代来临,程序员如何保住饭碗?

编程语言层出不穷,从最初的机器语言到如今2500种以上的高级语言,程序员们大呼“学到头秃”。程序员一边面临编程语言不断推陈出新,一边面临由于许多代码已存在,程序员编写新应用程序时存在重复“搬砖”的现象。 无代码/低代码编程应运而生。无代码/低代码是一种创建应用的方法,它可以让开发者使用最少的编码知识来快速开发应用程序。开发者通过图形界面中,可视化建模来组装和配置应用程序。这样一来,开发者直...

面试了一个 31 岁程序员,让我有所触动,30岁以上的程序员该何去何从?

最近面试了一个31岁8年经验的程序猿,让我有点感慨,大龄程序猿该何去何从。

大三实习生,字节跳动面经分享,已拿Offer

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...

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01、Java入门(Getting Started);02、集成开发环境(IDE);03、项目结构(Eclipse JavaProject);04、类和对象(Classes and Objects);05:词法结构(Lexical Structure);06:数据类型和变量(Data Type and Variables);07:运算符(Operators);08:控制流程语句(Control Flow Statements);

Java岗开发3年,公司临时抽查算法,离职后这几题我记一辈子

前几天我们公司做了一件蠢事,非常非常愚蠢的事情。我原以为从学校出来之后,除了找工作有测试外,不会有任何与考试有关的事儿。 但是,天有不测风云,公司技术总监、人事总监两位大佬突然降临到我们事业线,叫上我老大,给我们组织了一场别开生面的“考试”。 那是一个风和日丽的下午,我翘着二郎腿,左手端着一杯卡布奇诺,右手抓着我的罗技鼠标,滚动着轮轴,穿梭在头条热点之间。 “淡黄的长裙~蓬松的头发...

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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...

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