解决异常MySQLNonTransientConnectionException: Communications link failure during rollback().

矫情吗；* 2022-05-26 07:09 573阅读 0赞

springmvc+hibernate项目，在开发环境没问题，但部署到测试环境，登录成功后，打开用户列表，点击修改用户，就报如下错误：

09:59:24.404 [http-bio-8080-exec-10] ERROR o.s.t.i.TransactionInterceptor - Application exception overridden by rollback exception
    org.springframework.dao.DataAccessResourceFailureException: could not extract ResultSet; nested exception is org.hibernate.exception.JDBCConnectionException: could not extract ResultSet
        at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:168) ~[spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:155) ~[spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:417) ~[spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:59) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:147) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.data.jpa.repository.support.LockModeRepositoryPostProcessor$LockModePopulatingMethodIntercceptor.invoke(LockModeRepositoryPostProcessor.java:92) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at com.sun.proxy.$Proxy80.findByName(Unknown Source) ~[na:na]
        at cn.enetic.wodm.service.RoleService.getRoleByName(RoleService.java:41) ~[RoleService.class:na]
        at cn.enetic.wodm.service.RoleService$$FastClassBySpringCGLIB$$7b374e32.invoke(<generated>) ~[spring-core-4.0.2.RELEASE.jar:na]
        at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:711) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) [spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at cn.enetic.wodm.service.RoleService$$EnhancerBySpringCGLIB$$d93ecd13.getRoleByName(<generated>) ~[spring-core-4.0.2.RELEASE.jar:na]
        at cn.enetic.wodm.service.RoleService$$FastClassBySpringCGLIB$$7b374e32.invoke(<generated>) ~[spring-core-4.0.2.RELEASE.jar:na]
        at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:711) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) [spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at cn.enetic.wodm.service.RoleService$$EnhancerBySpringCGLIB$$c8d6b349.getRoleByName(<generated>) [spring-core-4.0.2.RELEASE.jar:na]
        at cn.enetic.wodm.web.UserAdminController.list(UserAdminController.java:80) [UserAdminController.class:na]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_121]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_121]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_121]
        at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) [servlet-api.jar:na]
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) [servlet-api.jar:na]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) [catalina.jar:7.0.53]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat7-websocket.jar:7.0.53]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
        at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129) [sitemesh-2.4.2.jar:na]
        at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77) [sitemesh-2.4.2.jar:na]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
        at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) [shiro-web-1.2.2.jar:1.2.2]
        at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) [shiro-web-1.2.2.jar:1.2.2]
        at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) [shiro-web-1.2.2.jar:1.2.2]
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [shiro-web-1.2.2.jar:1.2.2]
        at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) [shiro-web-1.2.2.jar:1.2.2]
        at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) [shiro-web-1.2.2.jar:1.2.2]
        at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) [shiro-web-1.2.2.jar:1.2.2]
        at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) [shiro-core-1.2.2.jar:1.2.2]
        at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) [shiro-core-1.2.2.jar:1.2.2]
        at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) [shiro-core-1.2.2.jar:1.2.2]
        at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) [shiro-web-1.2.2.jar:1.2.2]
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [shiro-web-1.2.2.jar:1.2.2]
        at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
        at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:177) [spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) [catalina.jar:7.0.53]
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) [catalina.jar:7.0.53]
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) [catalina.jar:7.0.53]
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) [catalina.jar:7.0.53]
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) [catalina.jar:7.0.53]
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) [catalina.jar:7.0.53]
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) [catalina.jar:7.0.53]
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) [catalina.jar:7.0.53]
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) [tomcat-coyote.jar:7.0.53]
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) [tomcat-coyote.jar:7.0.53]
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313) [tomcat-coyote.jar:7.0.53]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121]
    Caused by: org.hibernate.exception.JDBCConnectionException: could not extract ResultSet
        at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:132) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:89) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.getResultSet(Loader.java:2065) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1862) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1838) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.doQuery(Loader.java:909) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:354) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.doList(Loader.java:2551) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.doList(Loader.java:2537) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2367) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.Loader.list(Loader.java:2362) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:496) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:387) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:229) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1260) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.internal.QueryImpl.list(QueryImpl.java:103) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:573) ~[hibernate-entitymanager-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.jpa.internal.QueryImpl.getSingleResult(QueryImpl.java:495) ~[hibernate-entitymanager-4.3.1.Final.jar:4.3.1.Final]
        at org.hibernate.jpa.criteria.compile.CriteriaQueryTypeQueryAdapter.getSingleResult(CriteriaQueryTypeQueryAdapter.java:71) ~[hibernate-entitymanager-4.3.1.Final.jar:4.3.1.Final]
        at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:142) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
        at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:61) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
        at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:95) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
        at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:85) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
        at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:337) ~[spring-data-commons-1.6.4.RELEASE.jar:na]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) [spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
        ... 93 common frames omitted
    Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 29,562 milliseconds ago.  The last packet sent successfully to the server was 22,874 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_121]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_121]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_121]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_121]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) ~[mysql-connector-java-5.1.21.jar:na]
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117) ~[mysql-connector-java-5.1.21.jar:na]
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3829) ~[mysql-connector-java-5.1.21.jar:na]
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2449) ~[mysql-connector-java-5.1.21.jar:na]
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629) ~[mysql-connector-java-5.1.21.jar:na]
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719) ~[mysql-connector-java-5.1.21.jar:na]
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155) ~[mysql-connector-java-5.1.21.jar:na]
        at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318) ~[mysql-connector-java-5.1.21.jar:na]
        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:80) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
        ... 121 common frames omitted
    Caused by: java.net.SocketException: 断开的管道 (Write failed)
        at java.net.SocketOutputStream.socketWrite0(Native Method) ~[na:1.8.0_121]
        at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111) ~[na:1.8.0_121]
        at java.net.SocketOutputStream.write(SocketOutputStream.java:155) ~[na:1.8.0_121]
        at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) ~[na:1.8.0_121]
        at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) ~[na:1.8.0_121]
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3810) ~[mysql-connector-java-5.1.21.jar:na]
        ... 127 common frames omitted
    
    
    10:12:29.708 [http-bio-8080-exec-3] ERROR o.s.t.i.TransactionInterceptor - Application exception overridden by rollback exception
    org.springframework.dao.DataAccessResourceFailureException: could not extract ResultSet; nested exception is org.hibernate.exception.JDBCConnectionException: could not extract ResultSet
    	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:168) ~[spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:155) ~[spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:417) ~[spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:59) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:147) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.data.jpa.repository.support.LockModeRepositoryPostProcessor$LockModePopulatingMethodIntercceptor.invoke(LockModeRepositoryPostProcessor.java:92) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at com.sun.proxy.$Proxy80.findByName(Unknown Source) ~[na:na]
    	at cn.enetic.wodm.service.RoleService.getRoleByName(RoleService.java:41) ~[RoleService.class:na]
    	at cn.enetic.wodm.service.RoleService$$FastClassBySpringCGLIB$$7b374e32.invoke(<generated>) ~[spring-core-4.0.2.RELEASE.jar:na]
    	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:711) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) [spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at cn.enetic.wodm.service.RoleService$$EnhancerBySpringCGLIB$$d93ecd13.getRoleByName(<generated>) ~[spring-core-4.0.2.RELEASE.jar:na]
    	at cn.enetic.wodm.service.RoleService$$FastClassBySpringCGLIB$$7b374e32.invoke(<generated>) ~[spring-core-4.0.2.RELEASE.jar:na]
    	at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:711) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) [spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at cn.enetic.wodm.service.RoleService$$EnhancerBySpringCGLIB$$c8d6b349.getRoleByName(<generated>) [spring-core-4.0.2.RELEASE.jar:na]
    	at cn.enetic.wodm.web.UserAdminController.list(UserAdminController.java:80) [UserAdminController.class:na]
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121]
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_121]
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_121]
    	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_121]
    	at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) [servlet-api.jar:na]
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) [servlet-api.jar:na]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat7-websocket.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129) [sitemesh-2.4.2.jar:na]
    	at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77) [sitemesh-2.4.2.jar:na]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) [shiro-core-1.2.2.jar:1.2.2]
    	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) [shiro-core-1.2.2.jar:1.2.2]
    	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) [shiro-core-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [shiro-web-1.2.2.jar:1.2.2]
    	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:177) [spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) [catalina.jar:7.0.53]
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) [catalina.jar:7.0.53]
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) [catalina.jar:7.0.53]
    	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) [catalina.jar:7.0.53]
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) [catalina.jar:7.0.53]
    	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) [tomcat-coyote.jar:7.0.53]
    	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) [tomcat-coyote.jar:7.0.53]
    	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315) [tomcat-coyote.jar:7.0.53]
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121]
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121]
    	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121]
    Caused by: org.hibernate.exception.JDBCConnectionException: could not extract ResultSet
    	at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:132) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:89) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.getResultSet(Loader.java:2065) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1862) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1838) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.doQuery(Loader.java:909) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:354) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.doList(Loader.java:2551) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.doList(Loader.java:2537) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2367) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.Loader.list(Loader.java:2362) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:496) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:387) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:229) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1260) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.internal.QueryImpl.list(QueryImpl.java:103) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:573) ~[hibernate-entitymanager-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.jpa.internal.QueryImpl.getSingleResult(QueryImpl.java:495) ~[hibernate-entitymanager-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.jpa.criteria.compile.CriteriaQueryTypeQueryAdapter.getSingleResult(CriteriaQueryTypeQueryAdapter.java:71) ~[hibernate-entitymanager-4.3.1.Final.jar:4.3.1.Final]
    	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:142) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
    	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:61) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
    	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:95) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
    	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:85) ~[spring-data-jpa-1.4.4.RELEASE.jar:na]
    	at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:337) ~[spring-data-commons-1.6.4.RELEASE.jar:na]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) [spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	... 93 common frames omitted
    Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
    
    The last packet successfully received from the server was 12,982 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.
    	at sun.reflect.GeneratedConstructorAccessor70.newInstance(Unknown Source) ~[na:na]
    	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_121]
    	at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_121]
    	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3567) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3456) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3997) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2468) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318) ~[mysql-connector-java-5.1.21.jar:na]
    	at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:80) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	... 121 common frames omitted
    Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
    	at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3017) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3467) ~[mysql-connector-java-5.1.21.jar:na]
    	... 129 common frames omitted
    10:12:29.718 [http-bio-8080-exec-3] ERROR 500.jsp - Could not roll back JPA transaction; nested exception is javax.persistence.PersistenceException: unexpected error when rollbacking
    org.springframework.transaction.TransactionSystemException: Could not roll back JPA transaction; nested exception is javax.persistence.PersistenceException: unexpected error when rollbacking
    	at org.springframework.orm.jpa.JpaTransactionManager.doRollback(JpaTransactionManager.java:546) ~[spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:849) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:826) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionAspectSupport.completeTransactionAfterThrowing(TransactionAspectSupport.java:496) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:266) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) ~[spring-tx-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644) ~[spring-aop-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at cn.enetic.wodm.service.RoleService$$EnhancerBySpringCGLIB$$c8d6b349.getRoleByName(<generated>) ~[spring-core-4.0.2.RELEASE.jar:na]
    	at cn.enetic.wodm.web.UserAdminController.list(UserAdminController.java:80) ~[UserAdminController.class:na]
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121]
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_121]
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_121]
    	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_121]
    	at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215) ~[spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) ~[spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) ~[spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749) ~[spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690) ~[spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83) ~[spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:620) [servlet-api.jar:na]
    	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837) [spring-webmvc-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) [servlet-api.jar:na]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat7-websocket.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129) [sitemesh-2.4.2.jar:na]
    	at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77) [sitemesh-2.4.2.jar:na]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) [shiro-core-1.2.2.jar:1.2.2]
    	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) [shiro-core-1.2.2.jar:1.2.2]
    	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383) [shiro-core-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) [shiro-web-1.2.2.jar:1.2.2]
    	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) [shiro-web-1.2.2.jar:1.2.2]
    	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:177) [spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) [spring-web-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) [catalina.jar:7.0.53]
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) [catalina.jar:7.0.53]
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) [catalina.jar:7.0.53]
    	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) [catalina.jar:7.0.53]
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) [catalina.jar:7.0.53]
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) [catalina.jar:7.0.53]
    	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040) [tomcat-coyote.jar:7.0.53]
    	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) [tomcat-coyote.jar:7.0.53]
    	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315) [tomcat-coyote.jar:7.0.53]
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121]
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121]
    	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121]
    Caused by: javax.persistence.PersistenceException: unexpected error when rollbacking
    	at org.hibernate.jpa.internal.TransactionImpl.rollback(TransactionImpl.java:111) ~[hibernate-entitymanager-4.3.1.Final.jar:4.3.1.Final]
    	at org.springframework.orm.jpa.JpaTransactionManager.doRollback(JpaTransactionManager.java:542) ~[spring-orm-4.0.2.RELEASE.jar:4.0.2.RELEASE]
    	... 73 common frames omitted
    Caused by: org.hibernate.TransactionException: rollback failed
    	at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.rollback(AbstractTransactionImpl.java:217) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.jpa.internal.TransactionImpl.rollback(TransactionImpl.java:108) ~[hibernate-entitymanager-4.3.1.Final.jar:4.3.1.Final]
    	... 74 common frames omitted
    Caused by: org.hibernate.TransactionException: unable to rollback against JDBC connection
    	at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doRollback(JdbcTransaction.java:167) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.rollback(AbstractTransactionImpl.java:211) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	... 75 common frames omitted
    Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.
    	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_121]
    	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_121]
    	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_121]
    	at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_121]
    	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.Util.getInstance(Util.java:386) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1014) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:988) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:974) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:919) ~[mysql-connector-java-5.1.21.jar:na]
    	at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:4793) ~[mysql-connector-java-5.1.21.jar:na]
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121]
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_121]
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_121]
    	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_121]
    	at org.apache.tomcat.jdbc.pool.ProxyConnection.invoke(ProxyConnection.java:126) ~[tomcat-jdbc-7.0.52.jar:na]
    	at org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(JdbcInterceptor.java:109) ~[tomcat-jdbc-7.0.52.jar:na]
    	at org.apache.tomcat.jdbc.pool.DisposableConnectionFacade.invoke(DisposableConnectionFacade.java:80) ~[tomcat-jdbc-7.0.52.jar:na]
    	at com.sun.proxy.$Proxy19.rollback(Unknown Source) ~[na:na]
    	at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doRollback(JdbcTransaction.java:163) ~[hibernate-core-4.3.1.Final.jar:4.3.1.Final]
    	... 76 common frames omitted

打开mysql配置文件/etc/my.cnf

在\[mysqld\]节，增加wait\_timeout配置，原来是5，看来不够用，改为50。

[mysqld]
    wait_timeout=50

重启mysqld服务，问题解决

service mysqld restart