An error occurred while filtering resources错误解决

解决Maven项目资源过滤错误
本文介绍了解决Maven项目中出现的An error occurred while filtering resources问题的方法。该问题虽然不影响项目运行,但可能令人不适。解决方案是通过右键点击项目并选择Maven > Update Project来更新项目。

maven项目结构做了很大改变后,发现控制台报一个错误An error occurred while filtering resources。
这个错误并不影响项目的运行,但是心里肯定是不舒服的。后来知道怎么解决了。
方法是右击项目,选择Maven》Update Project。

Description Resource Path Location Type An error occurred while filtering resources TaskManagerWeb line 1 Maven Java EE Configuration Problem CoreException: Could not get the value for parameter compilerId for plugin execution default-compile: PluginResolutionException: Plugin org.apache.maven.plugins:maven-compiler-plugin:3.8.1 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.maven.plugins:maven-compiler-plugin:jar:3.8.1 -> org.apache.maven:maven-plugin-api:jar:3.0 -> org.sonatype.sisu:sisu-inject-plexus:jar:1.4.2 -> org.codehaus.plexus:plexus-component-annotations:jar:1.7.1: ArtifactDescriptorException: Failed to read artifact descriptor for org.codehaus.plexus:plexus-component-annotations:jar:1.7.1: UnresolvableModelException: Failure to transfer org.sonatype.forge:forge-parent:pom:10 from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.sonatype.forge:forge-parent:pom:10 from/to central (https://repo.maven.apache.org/maven2): No connector factories available pom.xml /TaskManagerWeb line 63 Maven Project Build Lifecycle Mapping Problem CoreException: Could not get the value for parameter compilerId for plugin execution default-testCompile: PluginResolutionException: Plugin org.apache.maven.plugins:maven-compiler-plugin:3.8.1 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven:maven-core:jar:3.0, org.apache.maven:maven-settings:jar:3.0, org.apache.maven:maven-settings-builder:jar:3.0, org.apache.maven:maven-repository-metadata:jar:3.0, org.apache.maven:maven-model-builder:jar:3.0, org.apache.maven:maven-aether-provider:jar:3.0, org.sonatype.aether:aether-impl:jar:1.7, org.sonatype.aether:aether-spi:jar:1.7, org.sonatype.aether:aether-api:jar:1.7, org.sonatype.aether:aether-util:jar:1.7, org.codehaus.plexus:plexus-interpolation:jar:1.14, org.codehaus.plexus:plexus-classworlds:jar:2.2.3, org.codehaus.plexus:plexus-component-annotations:jar:1.7.1, org.sonatype.plexus:plexus-sec-dispatcher:jar:1.3, org.sonatype.plexus:plexus-cipher:jar:1.4, org.apache.maven.shared:maven-shared-utils:jar:3.2.1, commons-io:commons-io:jar:2.5, org.apache.maven.shared:maven-shared-incremental:jar:1.1, org.codehaus.plexus:plexus-java:jar:0.9.10, org.codehaus.plexus:plexus-compiler-api:jar:2.8.4, org.codehaus.plexus:plexus-compiler-manager:jar:2.8.4, org.codehaus.plexus:plexus-compiler-javac:jar:2.8.4: Failure to transfer org.apache.maven:maven-core:jar:3.0 from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.apache.maven:maven-core:jar:3.0 from/to central (https://repo.maven.apache.org/maven2): The operation was cancelled. pom.xml /TaskManagerWeb line 63 Maven Project Build Lifecycle Mapping Problem Plugin execution not covered by lifecycle configuration: org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (execution: default-compile, phase: compile) pom.xml /TaskManagerWeb line 63 Maven Project Build Lifecycle Mapping Problem Plugin execution not covered by lifecycle configuration: org.apache.maven.plugins:maven-compiler-plugin:3.8.1:testCompile (execution: default-testCompile, phase: test-compile) pom.xml /TaskManagerWeb line 63 Maven Project Build Lifecycle Mapping Problem Project configuration is not up-to-date with pom.xml. Select: Maven->Update Project... from the project context menu or use Quick Fix. TaskManagerWeb line 1 Maven Configuration Problem Project configurator "com.genuitec.eclipse.maven.wtp.hibernate.configurator.wtp" required by plugin execution "org.apache.maven.plugins:maven-war-plugin:3.2.3:war (execution: default-war, phase: package)" is not available. To enable full functionality, install the project configurator and run Maven->Update Project Configuration. pom.xml /TaskManagerWeb line 71 Maven Project Build Lifecycle Mapping Problem Project configurator "com.genuitec.eclipse.maven.wtp.spring.configurator.wtp" required by plugin execution "org.apache.maven.plugins:maven-war-plugin:3.2.3:war (execution: default-war, phase: package)" is not available. To enable full functionality, install the project configurator and run Maven->Update Project Configuration. pom.xml /TaskManagerWeb line 71 Maven Project Build Lifecycle Mapping Problem Unhandled exception type SQLException TaskController.java /TaskManagerWeb/src/main/java/com/taskmanager/controller line 57 Java Problem Unhandled exception type SQLException TaskController.java /TaskManagerWeb/src/main/java/com/taskmanager/controller line 69 Java Problem Unhandled exception type SQLException TaskController.java /TaskManagerWeb/src/main/java/com/taskmanager/controller line 80 Java Problem Unhan
05-30
[INFO] [INFO] ---------------------< com.itheima:mybatis-demo05 >--------------------- [INFO] Building mybatis-demo05 1.0-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- resources:3.3.1:resources (default-resources) @ mybatis-demo05 --- [WARNING] File encoding has not been set, using platform encoding UTF-8. Build is platform dependent! [WARNING] See https://maven.apache.org/general.html#encoding-warning [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] Copying 0 resource from src\main\java to target\classes [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ mybatis-demo05 --- [INFO] Nothing to compile - all classes are up to date. [INFO] [INFO] --- resources:3.3.1:testResources (default-testResources) @ mybatis-demo05 --- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] skip non existing resourceDirectory E:\360MoveData\Users\86131\Desktop\mybatis-demo05\src\test\resources [INFO] [INFO] --- compiler:3.13.0:testCompile (default-testCompile) @ mybatis-demo05 --- [INFO] Nothing to compile - all classes are up to date. [INFO] [INFO] --- surefire:3.2.5:test (default-test) @ mybatis-demo05 --- [INFO] Using auto detected provider org.apache.maven.surefire.junit4.JUnit4Provider [INFO] [INFO] ------------------------------------------------------- [INFO] T E S T S [INFO] ------------------------------------------------------- [INFO] Running Test.MyBatisTest Logging initialized using 'class org.apache.ibatis.logging.stdout.StdOutImpl' adapter. PooledDataSource forcefully closed/removed all connections. PooledDataSource forcefully closed/removed all connections. PooledDataSource forcefully closed/removed all connections. PooledDataSource forcefully closed/removed all connections. Opening JDBC Connection Opening JDBC Connection Opening JDBC Connection [ERROR] Tests run: 3, Failures: 0, Errors: 3, Skipped: 0, Time elapsed: 0.514 s <<< FAILURE! -- in Test.MyBatisTest [ERROR] Test.MyBatisTest.findIStudentByIdTest -- Time elapsed: 0.443 s <<< ERROR! org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) ### The error may exist in com/itheima/dao/StudentMapper.java (best guess) ### The error may involve com.itheima.dao.StudentMapper.selectById ### The error occurred while executing a query ### Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:149) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57) at jdk.proxy2/jdk.proxy2.$Proxy13.selectById(Unknown Source) at Test.MyBatisTest.findIStudentByIdTest(MyBatisTest.java:21) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) 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.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:316) at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:240) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:214) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:155) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385) at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162) at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495) Caused by: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:127) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:95) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:862) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:230) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:226) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:681) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:190) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:221) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:216) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.getConnection(UnpooledDataSource.java:95) at org.apache.ibatis.datasource.pooled.PooledDataSource.popConnection(PooledDataSource.java:422) at org.apache.ibatis.datasource.pooled.PooledDataSource.getConnection(PooledDataSource.java:89) at org.apache.ibatis.transaction.jdbc.JdbcTransaction.openConnection(JdbcTransaction.java:138) at org.apache.ibatis.transaction.jdbc.JdbcTransaction.getConnection(JdbcTransaction.java:60) at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:336) at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85) at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62) at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147) ... 31 more [ERROR] Test.MyBatisTest.updateStudentNameAndAgeById -- Time elapsed: 0.008 s <<< ERROR! org.apache.ibatis.exceptions.PersistenceException: ### Error updating database. Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) ### The error may exist in com/itheima/dao/StudentMapper.java (best guess) ### The error may involve com.itheima.dao.StudentMapper.updateNameAndAgeById ### The error occurred while executing an update ### Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:199) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:67) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57) at jdk.proxy2/jdk.proxy2.$Proxy13.updateNameAndAgeById(Unknown Source) at Test.MyBatisTest.updateStudentNameAndAgeById(MyBatisTest.java:34) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) 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.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:316) at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:240) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:214) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:155) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385) at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162) at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495) Caused by: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:127) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:95) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:862) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:230) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:226) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:681) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:190) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:221) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:216) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.getConnection(UnpooledDataSource.java:95) at org.apache.ibatis.datasource.pooled.PooledDataSource.popConnection(PooledDataSource.java:422) at org.apache.ibatis.datasource.pooled.PooledDataSource.getConnection(PooledDataSource.java:89) at org.apache.ibatis.transaction.jdbc.JdbcTransaction.openConnection(JdbcTransaction.java:138) at org.apache.ibatis.transaction.jdbc.JdbcTransaction.getConnection(JdbcTransaction.java:60) at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:336) at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85) at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:49) at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117) at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76) at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:197) ... 29 more [ERROR] Test.MyBatisTest.queryClassStudentList -- Time elapsed: 0.007 s <<< ERROR! org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) ### The error may exist in com/itheima/dao/ClassMapper.java (best guess) ### The error may involve com.itheima.dao.ClassMapper.queryClassStudentByClassName ### The error occurred while executing a query ### Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:149) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57) at jdk.proxy2/jdk.proxy2.$Proxy15.queryClassStudentByClassName(Unknown Source) at Test.MyBatisTest.queryClassStudentList(MyBatisTest.java:47) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:568) 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.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:316) at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:240) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:214) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:155) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385) at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162) at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495) Caused by: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:127) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:95) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:862) at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:444) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:230) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:226) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:681) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:190) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:221) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.doGetConnection(UnpooledDataSource.java:216) at org.apache.ibatis.datasource.unpooled.UnpooledDataSource.getConnection(UnpooledDataSource.java:95) at org.apache.ibatis.datasource.pooled.PooledDataSource.popConnection(PooledDataSource.java:422) at org.apache.ibatis.datasource.pooled.PooledDataSource.getConnection(PooledDataSource.java:89) at org.apache.ibatis.transaction.jdbc.JdbcTransaction.openConnection(JdbcTransaction.java:138) at org.apache.ibatis.transaction.jdbc.JdbcTransaction.getConnection(JdbcTransaction.java:60) at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:336) at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85) at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62) at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324) at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147) ... 31 more [INFO] [INFO] Results: [INFO] [ERROR] Errors: [ERROR] MyBatisTest.findIStudentByIdTest:21 » Persistence ### Error querying database. Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) ### The error may exist in com/itheima/dao/StudentMapper.java (best guess) ### The error may involve com.itheima.dao.StudentMapper.selectById ### The error occurred while executing a query ### Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) [ERROR] MyBatisTest.queryClassStudentList:47 » Persistence ### Error querying database. Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) ### The error may exist in com/itheima/dao/ClassMapper.java (best guess) ### The error may involve com.itheima.dao.ClassMapper.queryClassStudentByClassName ### The error occurred while executing a query ### Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) [ERROR] MyBatisTest.updateStudentNameAndAgeById:34 » Persistence ### Error updating database. Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) ### The error may exist in com/itheima/dao/StudentMapper.java (best guess) ### The error may involve com.itheima.dao.StudentMapper.updateNameAndAgeById ### The error occurred while executing an update ### Cause: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) [INFO] [ERROR] Tests run: 3, Failures: 0, Errors: 3, Skipped: 0 [INFO]
最新发布
10-09
<think>嗯,用户遇到了“An error occurred while merging”这个错误,需要帮忙解决。首先得弄清楚这个错误通常出现在什么情况下。合并操作常见于版本控制系统,比如Git,或者是数据处理、数据库操作中。不过根据常见情况,可能更多是版本控制的问题,尤其是Git合并冲突。 首先,我得考虑用户可能在使用Git时遇到了合并错误。这时候需要分步骤分析可能的原因。比如,是否有未提交的更改?是否存在冲突需要手动解决?或者权限问题导致无法合并? 然后,我应该引导用户检查基本步骤。例如,确认当前分支是否正确,有没有拉取最新的远程更改,是否存在文件冲突需要处理。如果存在冲突,用户需要手动解决这些冲突,标记为已解决后再提交。 另外,可能涉及到分支名称错误或者远程仓库不可访问的情况。这时候需要检查分支是否存在,或者网络连接是否正常。如果是数据处理中的合并错误,比如Pandas的merge操作,可能需要检查列名是否正确,数据类型是否匹配,或者是否有重复键导致问题。 还要考虑用户的具体上下文。如果用户没有提供更多细节,可能需要建议他们检查日志或错误信息,提供更详细的信息以便进一步诊断。同时,提醒用户在操作前备份数据或创建分支,避免数据丢失。 最后,确保回答结构清晰,分点列出可能的原因和解决方案,帮助用户逐步排查问题。保持语言简洁,避免技术术语过于复杂,让用户容易理解和操作。</think>遇到“An error occurred while merging”(合并时发生错误)的提示时,通常与版本控制(如Git)、数据库操作或数据合并(如Excel/Pandas)相关。以下是逐步排查和解决的思路: --- ### 一、常见场景及原因 1. **Git合并冲突** - **原因**:两个分支修改了同一文件的相同区域,Git无法自动合并。 - **表现**:错误提示后,文件内会出现`<<<<<<< HEAD`和`>>>>>>> [分支名]`的冲突标记。 2. **权限问题** - **原因**:合并目标分支时,用户权限不足(如远程仓库保护分支)。 3. **依赖问题** - **原因**:合并操作依赖的代码库或配置文件未正确更新(如`package.json`版本冲突)。 4. **数据合并错误(如Pandas/SQL)** - **原因**:合并键不唯一、列名冲突或数据类型不匹配。 --- ### 二、Git合并冲突解决方案 #### 步骤1:定位冲突文件 ```bash git status # 查看"Unmerged paths"下列出的冲突文件 ``` #### 步骤2:手动解决冲突 1. 打开冲突文件,找到`<<<<<<< HEAD`和`>>>>>>> [分支名]`标记的区域。 2. 保留需要的代码,删除冲突标记。 ```plaintext # 示例冲突内容: <<<<<<< HEAD console.log("当前分支的修改"); ======= console.log("合并分支的修改"); >>>>>>> feature-branch ``` #### 步骤3:标记冲突已解决 ```bash git add [冲突文件名] # 将修复后的文件加入暂存区 git commit -m "解决合并冲突" # 提交合并结果 ``` --- ### 三、其他常见问题处理 1. **权限不足** - 检查远程仓库设置(如GitHub/GitLab的`Protected Branches`配置)。 - 使用`git pull --no-commit`避免自动提交。 2. **合并前未更新本地代码** ```bash git fetch origin # 获取远程最新代码 git merge origin/main # 合并前先同步主分支 ``` 3. **数据合并错误(如Pandas)** - 检查合并键是否存在: ```python df1.merge(df2, on="key_column", how="inner") ``` - 处理重复键: ```python df.drop_duplicates(subset=["key_column"], inplace=True) ``` --- ### 四、预防措施 1. **频繁拉取远程更新**:合并前先执行`git pull`。 2. **小步提交**:避免大规模代码修改一次性合并。 3. **使用工具辅助**: - Git图形化工具(如VSCode/SourceTree)可视化冲突。 - 数据合并时提前验证键的唯一性。 --- ### 五、扩展建议 如果错误信息包含更多细节(如`refusing to merge unrelated histories`),可尝试: ```bash git merge --allow-unrelated-histories [分支名] ``` 请根据具体错误日志进一步排查,或补充详细信息以便提供更精准的解决方案。
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