spring与mybatis整合时，数据库配置信息正确，报：发生了连接权限故障。原因：用户标识或密码无效

- 日理万妓 2023-06-24 12:22 19阅读 0赞

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException:   
\#\#\# Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.ibm.db2.jcc.am.SqlInvalidAuthorizationSpecException: \[jcc\]\[t4\]\[2013\]\[11249\]\[4.16.53\] 发生了连接权限故障。原因：用户标识或密码无效。 ERRORCODE=-4214, SQLSTATE=28000  
\#\#\# The error may exist in com/springmybatis/dao/UserMapper.xml  
\#\#\# The error may involve com.springmybatis.dao.UserMapper.getUserById  
\#\#\# The error occurred while executing a query  
\#\#\# Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.ibm.db2.jcc.am.SqlInvalidAuthorizationSpecException: \[jcc\]\[t4\]\[2013\]\[11249\]\[4.16.53\] 发生了连接权限故障。原因：用户标识或密码无效。 ERRORCODE=-4214, SQLSTATE=28000

at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:92)  
    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:440)  
    at com.sun.proxy.$Proxy10.selectOne(Unknown Source)  
    at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159)  
    at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)  
    at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57)  
    at com.sun.proxy.$Proxy11.getUserById(Unknown Source)  
    at com.springmybatis.dao.UserMapperImpl.getUserById(UserMapperImpl.java:19)  
    at test.getUserByIdTest(test.java:18)  
    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:45)  
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)  
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)  
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)  
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)  
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)  
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)  
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)  
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)  
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)  
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)  
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)  
    at org.junit.runners.ParentRunner.run(ParentRunner.java:300)  
    at org.junit.runner.JUnitCore.run(JUnitCore.java:157)  
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)  
    at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)  
    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)  
    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)  
Caused by: org.apache.ibatis.exceptions.PersistenceException:   
\#\#\# Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.ibm.db2.jcc.am.SqlInvalidAuthorizationSpecException: \[jcc\]\[t4\]\[2013\]\[11249\]\[4.16.53\] 发生了连接权限故障。原因：用户标识或密码无效。 ERRORCODE=-4214, SQLSTATE=28000  
\#\#\# The error may exist in com/springmybatis/dao/UserMapper.xml  
\#\#\# The error may involve com.springmybatis.dao.UserMapper.getUserById  
\#\#\# The error occurred while executing a query  
\#\#\# Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.ibm.db2.jcc.am.SqlInvalidAuthorizationSpecException: \[jcc\]\[t4\]\[2013\]\[11249\]\[4.16.53\] 发生了连接权限故障。原因：用户标识或密码无效。 ERRORCODE=-4214, SQLSTATE=28000  
    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 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.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426)  
    ... 29 more  
Caused by: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is com.ibm.db2.jcc.am.SqlInvalidAuthorizationSpecException: \[jcc\]\[t4\]\[2013\]\[11249\]\[4.16.53\] 发生了连接权限故障。原因：用户标识或密码无效。 ERRORCODE=-4214, SQLSTATE=28000  
    at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:80)  
    at org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)  
    at org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)  
    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)  
    ... 36 more  
Caused by: com.ibm.db2.jcc.am.SqlInvalidAuthorizationSpecException: \[jcc\]\[t4\]\[2013\]\[11249\]\[4.16.53\] 发生了连接权限故障。原因：用户标识或密码无效。 ERRORCODE=-4214, SQLSTATE=28000  
    at com.ibm.db2.jcc.am.fd.a(fd.java:737)  
    at com.ibm.db2.jcc.am.fd.a(fd.java:60)  
    at com.ibm.db2.jcc.am.fd.a(fd.java:120)  
    at com.ibm.db2.jcc.t4.b.f(b.java:2445)  
    at com.ibm.db2.jcc.t4.b.b(b.java:1808)  
    at com.ibm.db2.jcc.t4.y.r(y.java:955)  
    at com.ibm.db2.jcc.t4.y.k(y.java:492)  
    at com.ibm.db2.jcc.t4.y.c(y.java:142)  
    at com.ibm.db2.jcc.t4.b.k(b.java:1384)  
    at com.ibm.db2.jcc.t4.b.b(b.java:1297)  
    at com.ibm.db2.jcc.t4.b.a(b.java:6433)  
    at com.ibm.db2.jcc.t4.b.b(b.java:848)  
    at com.ibm.db2.jcc.t4.b.a(b.java:765)  
    at com.ibm.db2.jcc.t4.b.a(b.java:423)  
    at com.ibm.db2.jcc.t4.b.a(b.java:398)  
    at com.ibm.db2.jcc.t4.b.<init>(b.java:336)  
    at com.ibm.db2.jcc.DB2SimpleDataSource.getConnection(DB2SimpleDataSource.java:233)  
    at com.ibm.db2.jcc.DB2SimpleDataSource.getConnection(DB2SimpleDataSource.java:199)  
    at com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:474)  
    at com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:115)  
    at java.sql.DriverManager.getConnection(DriverManager.java:664)  
    at java.sql.DriverManager.getConnection(DriverManager.java:208)  
    at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriverManager(DriverManagerDataSource.java:153)  
    at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:144)  
    at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnectionFromDriver(AbstractDriverBasedDataSource.java:155)  
    at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnection(AbstractDriverBasedDataSource.java:120)  
    at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:111)  
    at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:77)  
    ... 46 more

原因是用户名变量是user  
![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xqajEyM18_size_16_color_FFFFFF_t_70][]

而某个实体类的简称也被命名为user

![20191223111058356.png][]

故调试时，总是报连接数据库时 用户名或密码无效。

解决方法：

将数据库配置信息的用户名变量改为其他值如username，再次测试，正常。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xqajEyM18_size_16_color_FFFFFF_t_70 1][]

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[20191223111058356.png]: https://img-blog.csdnimg.cn/20191223111058356.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xqajEyM18_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20191223111401770.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xqajEyM18=,size_16,color_FFFFFF,t_70