org hibernate exception JDBCConnectionException: Cannot open connection
org hibernate exception SQLStateConverter convert(SQLStateConverter java:74)
org hibernate exception JDBCExceptionHelper convert(JDBCExceptionHelper java:43)
org hibernate exception JDBCExceptionHelper convert(JDBCExceptionHelper java:29)
org hibernate jdbc ConnectionManager openConnection(ConnectionManager java:426)
org hibernate jdbc ConnectionManager getConnection(ConnectionManager java:144)
org hibernate jdbc JDBCContext connection(JDBCContext java:119)
org hibernate transaction JDBCTransaction begin(JDBCTransaction java:57)
org hibernate impl SessionImpl beginTransaction(SessionImpl java:1326)
sun reflect GeneratedMethodAccessor409 invoke(Unknown Source)
sun reflect DelegatingMethodAccessorImpl invoke(DelegatingMethodAccessorImpl java:25)
java lang reflect Method invoke(Method java:597)
org hibernate context ThreadLocalSessionContext$TransactionProtectionWrapper invoke(ThreadLocalSessionContext java:301)
$Proxy13 beginTransaction(Unknown Source)
asiit db UserOperation listn(UserOperation java:71)
asiit action Login execute(Login java:40)
sun reflect NativeMethodAccessorImpl invoke0(Native Method)
sun reflect NativeMethodAccessorImpl invoke(NativeMethodAccessorImpl java:39)
sun reflect DelegatingMethodAccessorImpl invoke(DelegatingMethodAccessorImpl java:25)
java lang reflect Method invoke(Method java:597)
com opensymphony xwork2 DefaultActionInvocation invokeAction(DefaultActionInvocation java:441)
com opensymphony xwork2 DefaultActionInvocation invokeActionOnly(DefaultActionInvocation java:280)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:243)
com opensymphony xwork2 interceptor DefaultWorkflowInterceptor doIntercept(DefaultWorkflowInterceptor java:165)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 validator ValidationInterceptor doIntercept(ValidationInterceptor java:252)
org apache struts2 interceptor validation AnnotationValidationInterceptor doIntercept(AnnotationValidationInterceptor java:68)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ConversionErrorInterceptor intercept(ConversionErrorInterceptor java:122)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ParametersInterceptor doIntercept(ParametersInterceptor java:195)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ParametersInterceptor doIntercept(ParametersInterceptor java:195)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor StaticParametersInterceptor intercept(StaticParametersInterceptor java:179)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor MultiselectInterceptor intercept(MultiselectInterceptor java:75)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor CheckboxInterceptor intercept(CheckboxInterceptor java:94)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor FileUploadInterceptor intercept(FileUploadInterceptor java:235)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ModelDrivenInterceptor intercept(ModelDrivenInterceptor java:89)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ScopedModelDrivenInterceptor intercept(ScopedModelDrivenInterceptor java:130)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor debugging DebuggingInterceptor intercept(DebuggingInterceptor java:267)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ChainingInterceptor intercept(ChainingInterceptor java:126)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor PrepareInterceptor doIntercept(PrepareInterceptor java:138)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor I18nInterceptor intercept(I18nInterceptor java:165)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor ServletConfigInterceptor intercept(ServletConfigInterceptor java:164)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor AliasInterceptor intercept(AliasInterceptor java:179)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ExceptionMappingInterceptor intercept(ExceptionMappingInterceptor java:176)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 impl StrutsActionProxy execute(StrutsActionProxy java:52)
org apache struts2 dispatcher Dispatcher serviceAction(Dispatcher java:488)
org apache struts2 dispatcher ng ExecuteOperations executeAction(ExecuteOperations java:77)
org apache struts2 dispatcher ng filter StrutsPrepareAndExecuteFilter doFilter(StrutsPrepareAndExecuteFilter java:91)
root cause
com mysql jdbc exceptions jdbc4 CommunicationsException: Communications link failure
Last packet sent to the server was 1 ms ago
sun reflect GeneratedConstructorAccessor29 newInstance(Unknown Source)
sun reflect DelegatingConstructorAccessorImpl newInstance(DelegatingConstructorAccessorImpl java:27)
java lang reflect Constructor newInstance(Constructor java:513)
com mysql jdbc Util handleNewInstance(Util java:406)
com mysql jdbc SQLError createCommunicationsException(SQLError java:1074)
com mysql jdbc MysqlIO reuseAndReadPacket(MysqlIO java:2985)
com mysql jdbc MysqlIO reuseAndReadPacket(MysqlIO java:2871)
com mysql jdbc MysqlIO checkErrorPacket(MysqlIO java:3414)
com mysql jdbc MysqlIO sendCommand(MysqlIO java:1936)
com mysql jdbc MysqlIO sqlQueryDirect(MysqlIO java:2060)
com mysql jdbc ConnectionImpl execSQL(ConnectionImpl java:2536)
com mysql jdbc ConnectionImpl setAutoCommit(ConnectionImpl java:4874)
com mchange v2 c3p0 impl NewProxyConnection setAutoCommit(NewProxyConnection java:881)
org hibernate connection C3P0ConnectionProvider getConnection(C3P0ConnectionProvider java:61)
org hibernate jdbc ConnectionManager openConnection(ConnectionManager java:423)
org hibernate jdbc ConnectionManager getConnection(ConnectionManager java:144)
org hibernate jdbc JDBCContext connection(JDBCContext java:119)
org hibernate transaction JDBCTransaction begin(JDBCTransaction java:57)
org hibernate impl SessionImpl beginTransaction(SessionImpl java:1326)
sun reflect GeneratedMethodAccessor409 invoke(Unknown Source)
sun reflect DelegatingMethodAccessorImpl invoke(DelegatingMethodAccessorImpl java:25)
java lang reflect Method invoke(Method java:597)
org hibernate context ThreadLocalSessionContext$TransactionProtectionWrapper invoke(ThreadLocalSessionContext java:301)
$Proxy13 beginTransaction(Unknown Source)
asiit db UserOperation listn(UserOperation java:71)
asiit action Login execute(Login java:40)
sun reflect NativeMethodAccessorImpl invoke0(Native Method)
sun reflect NativeMethodAccessorImpl invoke(NativeMethodAccessorImpl java:39)
sun reflect DelegatingMethodAccessorImpl invoke(DelegatingMethodAccessorImpl java:25)
java lang reflect Method invoke(Method java:597)
com opensymphony xwork2 DefaultActionInvocation invokeAction(DefaultActionInvocation java:441)
com opensymphony xwork2 DefaultActionInvocation invokeActionOnly(DefaultActionInvocation java:280)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:243)
com opensymphony xwork2 interceptor DefaultWorkflowInterceptor doIntercept(DefaultWorkflowInterceptor java:165)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 validator ValidationInterceptor doIntercept(ValidationInterceptor java:252)
org apache struts2 interceptor validation AnnotationValidationInterceptor doIntercept(AnnotationValidationInterceptor java:68)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ConversionErrorInterceptor intercept(ConversionErrorInterceptor java:122)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ParametersInterceptor doIntercept(ParametersInterceptor java:195)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ParametersInterceptor doIntercept(ParametersInterceptor java:195)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor StaticParametersInterceptor intercept(StaticParametersInterceptor java:179)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor MultiselectInterceptor intercept(MultiselectInterceptor java:75)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor CheckboxInterceptor intercept(CheckboxInterceptor java:94)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor FileUploadInterceptor intercept(FileUploadInterceptor java:235)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ModelDrivenInterceptor intercept(ModelDrivenInterceptor java:89)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ScopedModelDrivenInterceptor intercept(ScopedModelDrivenInterceptor java:130)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor debugging DebuggingInterceptor intercept(DebuggingInterceptor java:267)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ChainingInterceptor intercept(ChainingInterceptor java:126)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor PrepareInterceptor doIntercept(PrepareInterceptor java:138)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor I18nInterceptor intercept(I18nInterceptor java:165)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor ServletConfigInterceptor intercept(ServletConfigInterceptor java:164)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor AliasInterceptor intercept(AliasInterceptor java:179)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ExceptionMappingInterceptor intercept(ExceptionMappingInterceptor java:176)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 impl StrutsActionProxy execute(StrutsActionProxy java:52)
org apache struts2 dispatcher Dispatcher serviceAction(Dispatcher java:488)
org apache struts2 dispatcher ng ExecuteOperations executeAction(ExecuteOperations java:77)
org apache struts2 dispatcher ng filter StrutsPrepareAndExecuteFilter doFilter(StrutsPrepareAndExecuteFilter java:91)
root cause
java io EOFException: Can not read response from server Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost
com mysql jdbc MysqlIO readFully(MysqlIO java:2431)
com mysql jdbc MysqlIO reuseAndReadPacket(MysqlIO java:2882)
com mysql jdbc MysqlIO reuseAndReadPacket(MysqlIO java:2871)
com mysql jdbc MysqlIO checkErrorPacket(MysqlIO java:3414)
com mysql jdbc MysqlIO sendCommand(MysqlIO java:1936)
com mysql jdbc MysqlIO sqlQueryDirect(MysqlIO java:2060)
com mysql jdbc ConnectionImpl execSQL(ConnectionImpl java:2536)
com mysql jdbc ConnectionImpl setAutoCommit(ConnectionImpl java:4874)
com mchange v2 c3p0 impl NewProxyConnection setAutoCommit(NewProxyConnection java:881)
org hibernate connection C3P0ConnectionProvider getConnection(C3P0ConnectionProvider java:61)
org hibernate jdbc ConnectionManager openConnection(ConnectionManager java:423)
org hibernate jdbc ConnectionManager getConnection(ConnectionManager java:144)
org hibernate jdbc JDBCContext connection(JDBCContext java:119)
org hibernate transaction JDBCTransaction begin(JDBCTransaction java:57)
org hibernate impl SessionImpl beginTransaction(SessionImpl java:1326)
sun reflect GeneratedMethodAccessor409 invoke(Unknown Source)
sun reflect DelegatingMethodAccessorImpl invoke(DelegatingMethodAccessorImpl java:25)
java lang reflect Method invoke(Method java:597)
org hibernate context ThreadLocalSessionContext$TransactionProtectionWrapper invoke(ThreadLocalSessionContext java:301)
$Proxy13 beginTransaction(Unknown Source)
asiit db UserOperation listn(UserOperation java:71)
asiit action Login execute(Login java:40)
sun reflect NativeMethodAccessorImpl invoke0(Native Method)
sun reflect NativeMethodAccessorImpl invoke(NativeMethodAccessorImpl java:39)
sun reflect DelegatingMethodAccessorImpl invoke(DelegatingMethodAccessorImpl java:25)
java lang reflect Method invoke(Method java:597)
com opensymphony xwork2 DefaultActionInvocation invokeAction(DefaultActionInvocation java:441)
com opensymphony xwork2 DefaultActionInvocation invokeActionOnly(DefaultActionInvocation java:280)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:243)
com opensymphony xwork2 interceptor DefaultWorkflowInterceptor doIntercept(DefaultWorkflowInterceptor java:165)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 validator ValidationInterceptor doIntercept(ValidationInterceptor java:252)
org apache struts2 interceptor validation AnnotationValidationInterceptor doIntercept(AnnotationValidationInterceptor java:68)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ConversionErrorInterceptor intercept(ConversionErrorInterceptor java:122)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ParametersInterceptor doIntercept(ParametersInterceptor java:195)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ParametersInterceptor doIntercept(ParametersInterceptor java:195)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor StaticParametersInterceptor intercept(StaticParametersInterceptor java:179)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor MultiselectInterceptor intercept(MultiselectInterceptor java:75)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor CheckboxInterceptor intercept(CheckboxInterceptor java:94)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor FileUploadInterceptor intercept(FileUploadInterceptor java:235)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ModelDrivenInterceptor intercept(ModelDrivenInterceptor java:89)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ScopedModelDrivenInterceptor intercept(ScopedModelDrivenInterceptor java:130)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor debugging DebuggingInterceptor intercept(DebuggingInterceptor java:267)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ChainingInterceptor intercept(ChainingInterceptor java:126)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor PrepareInterceptor doIntercept(PrepareInterceptor java:138)
com opensymphony xwork2 interceptor MethodFilterInterceptor intercept(MethodFilterInterceptor java:87)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor I18nInterceptor intercept(I18nInterceptor java:165)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 interceptor ServletConfigInterceptor intercept(ServletConfigInterceptor java:164)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor AliasInterceptor intercept(AliasInterceptor java:179)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
com opensymphony xwork2 interceptor ExceptionMappingInterceptor intercept(ExceptionMappingInterceptor java:176)
com opensymphony xwork2 DefaultActionInvocation invoke(DefaultActionInvocation java:237)
org apache struts2 impl StrutsActionProxy execute(StrutsActionProxy java:52)
org apache struts2 dispatcher Dispatcher serviceAction(Dispatcher java:488)
org apache struts2 dispatcher ng ExecuteOperations executeAction(ExecuteOperations java:77)
org apache struts2 dispatcher ng filter StrutsPrepareAndExecuteFilter doFilter(StrutsPrepareAndExecuteFilter java:91)
最佳答案
与数据库服务器的连接已断开:
Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost
- 检查您是否可以从 SQL 控制台进行连接。
- 另请检查数据库日志以确认这一假设。
连接可能会因各种原因而断开:
- 应用服务器和数据库服务器之间的网络问题
- 数据库服务器已永久崩溃
- 网卡驱动程序有故障
关于java - 如何解决这个异常org.hibernate.exception.JDBCConnectionException，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/23840905/