Io异常 TheNetworkAdaptercouldnotestablishtheconnection nestedexceptionisorg.apache.openjpa.persistence.PersistenceException Io异常 TheNetworkAdaptercouldnotestablishtheconnectionorg.springframework.orm.jpa.JpaSystemException Io异常 TheNetworkAdaptercouldnotestablishtheconnection nestedexceptionisorg.apache.openjpa.persistence.PersistenceException Io异常 TheNetworkAdaptercouldnotestablishtheconnectionatorg.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible（EntityManagerFactoryUtils.java 294）atorg.springframework.orm.jpa.DefaultJpaDialect.translateExceptionIfPossible（DefaultJpaDialect.java 120）atorg.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible（AbstractEntityManagerFactoryBean.java 306）atorg.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible（ChainedPersistenceExceptionTranslator.java 62）atorg.springframework.dao.support.DataAccessUtils.translateIfNecessary（DataAccessUtils.java 212）atorg.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke（PersistenceExceptionTranslationInterceptor.java 146）atorg.springframework.aop.framework.ReflectiveMethodInvocation.proceed（ReflectiveMethodInvocation.java 171）atorg.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept（Cglib2AopProxy.java 631）atcn.com.pc.fastknowledge.service.QuestionService$$EnhancerByCGLIB$$23c81f3e.load（）at_jsp._pckids._question_0detail__jsp._jspService（_question_0detail__jsp.java 295）atcom.caucho.jsp.JavaPage.service（JavaPage.java 61）atcom.caucho.jsp.Page.pageservice（Page.java 578）atcom.caucho.server.dispatch.PageFilterChain.doFilter（PageFilterChain.java 195）atcom.caucho.server.webapp.DispatchFilterChain.doFilter（DispatchFilterChain.java 97）atcom.caucho.server.dispatch.ServletInvocation.service（ServletInvocation.java 266）atcom.caucho.server.webapp.RequestDispatcherImpl.forward（RequestDispatcherImpl.java 283）atcom.caucho.server.webapp.RequestDispatcherImpl.forward（RequestDispatcherImpl.java 108）atcom.caucho.server.dispatch.ForwardFilterChain.doFilter（ForwardFilterChain.java 84）atcom.caucho.filters.GzipFilter.doFilter（GzipFilter.java 169）atcom.caucho.server.dispatch.FilterFilterChain.doFilter（FilterFilterChain.java 87）atorg.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal（OpenEntityManagerInViewFilter.java 111）atorg.springframework.web.filter.OncePerRequestFilter.doFilter（OncePerRequestFilter.java 75）atcom.caucho.server.dispatch.FilterFilterChain.doFilter（FilterFilterChain.java 87）atcn.com.pc.util.EnvFilter.doFilter（EnvFilter.java 37）atcom.caucho.server.dispatch.FilterFilterChain.doFilter（FilterFilterChain.java 87）atorg.springframework.web.filter.CharacterEncodingFilter.doFilterInternal（CharacterEncodingFilter.java 96）atorg.springframework.web.filter.OncePerRequestFilter.doFilter（OncePerRequestFilter.java 75）atcom.caucho.server.dispatch.FilterFilterChain.doFilter（FilterFilterChain.java 87）atcom.caucho.server.cache.CacheFilterChain.doFilter（CacheFilterChain.java 194）atcom.caucho.server.webapp.WebAppFilterChain.doFilter（WebAppFilterChain.java 187）atcom.caucho.server.dispatch.ServletInvocation.service（ServletInvocation.java 266）atcom.caucho.server.http.HttpRequest.handleRequest（HttpRequest.java 270）atcom.caucho.server.port.TcpConnection.run（TcpConnection.java 678）atcom.caucho.util.ThreadPool$Item.runTasks（ThreadPool.java 721）atcom.caucho.util.ThreadPool$Item.run（ThreadPool.java 643）atjava.lang.Thread.run（Thread.java 619）Causedby org.apache.openjpa.persistence.PersistenceException Io异常 TheNetworkAdaptercouldnotestablishtheconnectionatorg.apache.openjpa.jdbc.sql.SQLExceptions.narrow（SQLExceptions.java 146）atorg.apache.openjpa.jdbc.sql.DBDictionary.newStoreException（DBDictionary.java 4150）atorg.apache.openjpa.jdbc.sql.SQLExceptions.getStore（SQLExceptions.java 102）atorg.apache.openjpa.jdbc.sql.SQLExceptions.getStore（SQLExceptions.java 88）atorg.apache.openjpa.jdbc.sql.SQLExceptions.getStore（SQLExceptions.java 64）atorg.apache.openjpa.jdbc.kernel.JDBCStoreManager.connect（JDBCStoreManager.java 762）atorg.apache.openjpa.jdbc.kernel.JDBCStoreManager.getConnection（JDBCStoreManager.java 215）atorg.apache.openjpa.jdbc.sql.SelectImpl.execute（SelectImpl.java 349）atorg.apache.openjpa.jdbc.sql.SelectImpl.execute（SelectImpl.java 319）atorg.apache.openjpa.jdbc.kernel.JDBCStoreManager.getInitializeStateResult（JDBCStoreManager.java 411）atorg.apache.openjpa.jdbc.kernel.JDBCStoreManager.initializeState（JDBCStoreManager.java 307）atorg.apache.openjpa.jdbc.kernel.JDBCStoreManager.initialize（JDBCStoreManager.java 263）atorg.apache.openjpa.kernel.DelegatingStoreManager.initialize（DelegatingStoreManager.java 111）atorg.apache.openjpa.datacache.DataCacheStoreManager.initialize（DataCacheStoreManager.java 348）atorg.apache.openjpa.kernel.DelegatingStoreManager.initialize（DelegatingStoreManager.java 111）atorg.apache.openjpa.kernel.ROPStoreManager.initialize（ROPStoreManager.java 57）atorg.apache.openjpa.kernel.BrokerImpl.initialize（BrokerImpl.java 894）atorg.apache.openjpa.kernel.BrokerImpl.find（BrokerImpl.java 852）atorg.apache.openjpa.kernel.BrokerImpl.find（BrokerImpl.java 769）atorg.apache.openjpa.kernel.DelegatingBroker.find（DelegatingBroker.java 183）atorg.apache.openjpa.persistence.EntityManagerImpl.find（EntityManagerImpl.java 452）atsun.reflect.GeneratedMethodAccessor81.invoke（UnknownSource）atsun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java 25）atjava.lang.reflect.Method.invoke（Method.java 597）atorg.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke（ExtendedEntityManagerCreator.java 346）at$Proxy38.find（UnknownSource）atsun.reflect.GeneratedMethodAccessor81.invoke（UnknownSource）atsun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java 25）atjava.lang.reflect.Method.invoke（Method.java 597）atorg.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke（SharedEntityManagerCreator.java 193）at$Proxy31.find（UnknownSource）atcn.com.pc.fastknowledge.service.QuestionService.load（QuestionService.java 77）atcn.com.pc.fastknowledge.service.QuestionService$$FastClassByCGLIB$$e201deff.invoke（）atnet.sf.cglib.proxy.MethodProxy.invoke（MethodProxy.java 149）atorg.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint（Cglib2AopProxy.java 696）atorg.springframework.aop.framework.ReflectiveMethodInvocation.proceed（ReflectiveMethodInvocation.java 149）atorg.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke（PersistenceExceptionTranslationInterceptor.java 138）...30moreCausedby java.sql.SQLException Io异常 TheNetworkAdaptercouldnotestablishtheconnectionatoracle.jdbc.driver.DatabaseError.throwSqlException（DatabaseError.java 112）atoracle.jdbc.driver.DatabaseError.throwSqlException（DatabaseError.java 146）atoracle.jdbc.driver.DatabaseError.throwSqlException（DatabaseError.java 255）atoracle.jdbc.driver.T4CConnection.logon（T4CConnection.java 387）atoracle.jdbc.driver.PhysicalConnection.（PhysicalConnection.java 439）atoracle.jdbc.driver.T4CConnection.（T4CConnection.java 165）atoracle.jdbc.driver.T4CDriverExtension.getConnection（T4CDriverExtension.java 35）atoracle.jdbc.driver.OracleDriver.connect（OracleDriver.java 801）atcom.caucho.sql.DriverConfig.createDriverConnection（DriverConfig.java 630）atcom.caucho.sql.ManagedConnectionImpl.initDriverConnection（ManagedConnectionImpl.java 254）atcom.caucho.sql.ManagedConnectionImpl.（ManagedConnectionImpl.java 141）atcom.caucho.sql.ManagedFactoryImpl.createManagedConnection（ManagedFactoryImpl.java 139）atcom.caucho.jca.ConnectionPool.create（ConnectionPool.java 926）atcom.caucho.jca.ConnectionPool.allocatePool（ConnectionPool.java 795）atcom.caucho.jca.ConnectionPool.allocate（ConnectionPool.java 756）atcom.caucho.jca.ConnectionPool.allocateConnection（ConnectionPool.java 567）atcom.caucho.sql.DataSourceImpl.getConnection（DataSourceImpl.java 65）atcom.caucho.sql.DBPool.getConnection（DBPool.java 701）atorg.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection（DelegatingDataSource.java 106）atorg.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection（DecoratingDataSource.java 87）atorg.apache.openjpa.jdbc.kernel.JDBCStoreManager.connectInternal（JDBCStoreManager.java 773）atorg.apache.openjpa.jdbc.kernel.JDBCStoreManager.connect（JDBCStoreManager.java 758）...61more