SSM整合使用c3p0数据库，连接报500错误

编程入门行业动态更新时间:2024-10-10 16:19:50
SSM整合使用c3p0数据库，连<a href=https://www.elefans.com/category/jswz/34/1424405.html style= 接报500错误"/>
SSM整合使用c3p0数据库，连接报500错误

跟着狂神学完了ssm，想自己整合smbms的项目，没想到刚启动项目就报了500错误，找了两天bug，看了各路网友的帖子，最终找到了万恶之源：c3p0数据库连接的配置文件命名有问题！！
报错内容如下：

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 
### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!
### The error may exist in com/miao/dao/user/UserMapper.xml
### The error may involve com.miao.dao.user.UserMapper.getLoginUser
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1013)org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)javax.servlet.http.HttpServlet.service(HttpServlet.java:652)org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)javax.servlet.http.HttpServlet.service(HttpServlet.java:733)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 
### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!
### The error may exist in com/miao/dao/user/UserMapper.xml
### The error may involve com.miao.dao.user.UserMapper.getLoginUser
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:78)org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:440)com.sun.proxy.$Proxy16.selectOne(Unknown Source)org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159)org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57)com.sun.proxy.$Proxy17.getLoginUser(Unknown Source)com.miao.service.user.UserServiceImpl.login(UserServiceImpl.java:20)com.miao.controller.user.LoginController.login(LoginController.java:22)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039)org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)javax.servlet.http.HttpServlet.service(HttpServlet.java:652)org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)javax.servlet.http.HttpServlet.service(HttpServlet.java:733)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)org.apache.ibatis.exceptions.PersistenceException: 
### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!
### The error may exist in com/miao/dao/user/UserMapper.xml
### The error may involve com.miao.dao.user.UserMapper.getLoginUser
### The error occurred while executing a query
### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:149)org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426)com.sun.proxy.$Proxy16.selectOne(Unknown Source)org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159)org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57)com.sun.proxy.$Proxy17.getLoginUser(Unknown Source)com.miao.service.user.UserServiceImpl.login(UserServiceImpl.java:20)com.miao.controller.user.LoginController.login(LoginController.java:22)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039)org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)javax.servlet.http.HttpServlet.service(HttpServlet.java:652)org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)javax.servlet.http.HttpServlet.service(HttpServlet.java:733)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
根本原因。org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81)org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:336)org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85)org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324)org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83)org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426)com.sun.proxy.$Proxy16.selectOne(Unknown Source)org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159)org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57)com.sun.proxy.$Proxy17.getLoginUser(Unknown Source)com.miao.service.user.UserServiceImpl.login(UserServiceImpl.java:20)com.miao.controller.user.LoginController.login(LoginController.java:22)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039)org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)javax.servlet.http.HttpServlet.service(HttpServlet.java:652)org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)javax.servlet.http.HttpServlet.service(HttpServlet.java:733)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)java.sql.SQLException: Connections could not be acquired from the underlying database!com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:118)com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:692)com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140)org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:157)org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:336)org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85)org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324)org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83)org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426)com.sun.proxy.$Proxy16.selectOne(Unknown Source)org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159)org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57)com.sun.proxy.$Proxy17.getLoginUser(Unknown Source)com.miao.service.user.UserServiceImpl.login(UserServiceImpl.java:20)com.miao.controller.user.LoginController.login(LoginController.java:22)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039)org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)javax.servlet.http.HttpServlet.service(HttpServlet.java:652)org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)javax.servlet.http.HttpServlet.service(HttpServlet.java:733)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1469)com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:644)com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:554)com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutAndMarkConnectionInUse(C3P0PooledConnectionPool.java:758)com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:685)com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:140)org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:157)org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115)org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78)org.mybatis.spring.transaction.SpringManagedTransaction.openConnection(SpringManagedTransaction.java:80)org.mybatis.spring.transaction.SpringManagedTransaction.getConnection(SpringManagedTransaction.java:67)org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:336)org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85)org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:324)org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156)org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109)org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83)org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:140)org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:76)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:426)com.sun.proxy.$Proxy16.selectOne(Unknown Source)org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:159)org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:87)org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:57)com.sun.proxy.$Proxy17.getLoginUser(Unknown Source)com.miao.service.user.UserServiceImpl.login(UserServiceImpl.java:20)com.miao.controller.user.LoginController.login(LoginController.java:22)sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:498)org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039)org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)javax.servlet.http.HttpServlet.service(HttpServlet.java:652)org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)javax.servlet.http.HttpServlet.service(HttpServlet.java:733)org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)java.sql.SQLException: Access denied for user 'asus'@'localhost' (using password: YES)com.mysql.jdbc.SQLError.createSQLException(SQLError.java:996)com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3887)com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3823)com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:870)com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1659)com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1206)com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2234)com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2265)com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2064)com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:790)com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)sun.reflect.GeneratedConstructorAccessor19.newInstance(Unknown Source)sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)java.lang.reflect.Constructor.newInstance(Constructor.java:423)com.mysql.jdbc.Util.handleNewInstance(Util.java:377)com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:395)com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:325)com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:175)com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:220)com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:206)com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:203)com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1138)com.mchange.v2.resourcepool.BasicResourcePool.doAcquireAndDecrementPendingAcquiresWithinLockOnSuccess(BasicResourcePool.java:1125)com.mchange.v2.resourcepool.BasicResourcePool.access$700(BasicResourcePool.java:44)com.mchange.v2.resourcepool.BasicResourcePool$ScatteredAcquireTask.run(BasicResourcePool.java:1870)com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:696)