学习javaweb出现连接jdbc报错了有没有老哥指点一下
/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/bin/java -ea -Didea.test.cyclic.buffer.size=1048576 -Dfile.encoding=UTF-8 -classpath /Applications/IntelliJ IDEA 2.app/Contents/lib/idea_rt.jar:/Applications/IntelliJ IDEA 2.app/Contents/plugins/junit/lib/junit5-rt.jar:/Applications/IntelliJ IDEA 2.app/Contents/plugins/junit/lib/junit-rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/jaccess.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/lib/packager.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home/lib/tools.jar:/Users/fanghongshi/Downloads/demo3/target/classes:/Users/fanghongshi/.m2/repository/javax/servlet/javax.servlet-api/4.0.1/javax.servlet-api-4.0.1.jar:/Users/fanghongshi/.m2/repository/org/junit/jupiter/junit-jupiter-api/5.7.1/junit-jupiter-api-5.7.1.jar:/Users/fanghongshi/.m2/repository/org/apiguardian/apiguardian-api/1.1.0/apiguardian-api-1.1.0.jar:/Users/fanghongshi/.m2/repository/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar:/Users/fanghongshi/.m2/repository/org/junit/platform/junit-platform-commons/1.7.1/junit-platform-commons-1.7.1.jar:/Users/fanghongshi/.m2/repository/org/junit/jupiter/junit-jupiter-engine/5.7.1/junit-jupiter-engine-5.7.1.jar:/Users/fanghongshi/.m2/repository/org/junit/platform/junit-platform-engine/1.7.1/junit-platform-engine-1.7.1.jar:/Users/fanghongshi/.m2/repository/org/xerial/sqlite-jdbc/3.36.0.2/sqlite-jdbc-3.36.0.2.jar:/Users/fanghongshi/.m2/repository/com/alibaba/druid/1.2.12/druid-1.2.12.jar:/Users/fanghongshi/.m2/repository/org/springframework/spring-beans/5.3.24/spring-beans-5.3.24.jar:/Users/fanghongshi/.m2/repository/org/springframework/spring-core/5.3.24/spring-core-5.3.24.jar:/Users/fanghongshi/.m2/repository/org/springframework/spring-jcl/5.3.24/spring-jcl-5.3.24.jar:/Users/fanghongshi/.m2/repository/org/springframework/spring-jdbc/5.3.24/spring-jdbc-5.3.24.jar:/Users/fanghongshi/.m2/repository/org/springframework/spring-tx/5.3.24/spring-tx-5.3.24.jar:/Users/fanghongshi/.m2/repository/junit/junit/4.12/junit-4.12.jar:/Users/fanghongshi/.m2/repository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit4 test.UserDaotest
十二月 19, 2022 11:42:45 上午 com.alibaba.druid.support.logging.JakartaCommonsLoggingImpl error
严重: {dataSource-1} init error
java.sql.SQLException: com.mysql.cj.jdbc.Driver
at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:688)
at com.alibaba.druid.pool.DruidDataSource.resolveDriver(DruidDataSource.java:1206)
at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:866)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1391)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1387)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:80)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:646)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:713)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:744)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:757)
at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:886)
at dao.UserDao.login(UserDao.java:15)
at test.UserDaotest.testLogin(UserDaotest.java:14)
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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
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$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:221)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)
Caused by: java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:686)
... 37 more
org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: com.mysql.cj.jdbc.Driver
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:83)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:646)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:713)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:744)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:757)
at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:886)
at dao.UserDao.login(UserDao.java:15)
at test.UserDaotest.testLogin(UserDaotest.java:14)
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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
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$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:221)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)
Caused by: java.sql.SQLException: com.mysql.cj.jdbc.Driver
at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:688)
at com.alibaba.druid.pool.DruidDataSource.resolveDriver(DruidDataSource.java:1206)
at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:866)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1391)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1387)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:80)
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:159)
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:117)
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)
... 29 more
Caused by: java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:686)
... 37 more
Process finished with exit code 255
