"org.springframework.orm.jpa.JpaSystemException: org.hibernate.exception.JDBCConnectionException: could not prepare statement; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement↵  at org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:415)↵ at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:418)↵  at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:59)↵ at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213)↵    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:147)↵    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)↵ at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodIntercceptor.invoke(CrudMethodMetadataPostProcessor.java:122)↵   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)↵ at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)↵   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)↵ at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)↵  at com.sun.proxy.$Proxy175.findByEmail(Unknown Source)↵   at com.elo.ofertas.service.LoginService.login(LoginService.java:38)↵  at com.elo.ofertas.web.controller.LoginController.login(LoginController.java:42)↵ at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)↵   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)↵   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)↵   at java.lang.reflect.Method.invoke(Unknown Source)↵   at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)↵   at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)↵   at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)↵   at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776)↵  at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705)↵  at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)↵  at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)↵  at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)↵   at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)↵    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)↵    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)↵  at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)↵   at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)↵  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)↵ at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)↵ at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)↵  at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)↵    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)↵   at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)↵  at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)↵  at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)↵  at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)↵    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)↵  at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)↵    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)↵  at com.elo.ofertas.auth.TokenAuthFilter.doFilter(TokenAuthFilter.java:80)↵    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainP…rocessor.process(AjpProcessor.java:488)↵  at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:420)↵  at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920)↵   at java.lang.Thread.run(Unknown Source)↵Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement↵    at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1387)↵  at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1310)↵  at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:316)↵   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)↵   at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)↵   at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)↵   at java.lang.reflect.Method.invoke(Unknown Source)↵   at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:362)↵ at com.sun.proxy.$Proxy212.getSingleResult(Unknown Source)↵   at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:205)↵   at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:77)↵    at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:100)↵   at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:91)↵  at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:393)↵  at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:371)↵    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)↵ at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)↵    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)↵   at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)↵ at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)↵ at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136)↵    ... 75 more↵Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement↵    at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:132)↵  at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49)↵ at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:124)↵ at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:193)↵    at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:157)↵    at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1881)↵   at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1858)↵   at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1838)↵   at org.hibernate.loader.Loader.doQuery(Loader.java:906)↵  at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:348)↵   at org.hibernate.loader.Loader.doList(Loader.java:2550)↵  at org.hibernate.loader.Loader.doList(Loader.java:2536)↵  at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2366)↵    at org.hibernate.loader.Loader.list(Loader.java:2361)↵    at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:495)↵   at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:357)↵ at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:198)↵    at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1194)↵    at org.hibernate.internal.QueryImpl.list(QueryImpl.java:101)↵ at org.hibernate.ejb.QueryImpl.getSingleResult(QueryImpl.java:287)↵   ... 93 more↵Caused by: java.sql.SQLRecoverableException: Closed Connection↵ at oracle.jdbc.driver.PhysicalConnection.prepareStatement(PhysicalConnection.java:3331)↵  at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:732)↵    at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:718)↵  at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:404)↵    at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:159)↵  at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)↵    ... 109 more↵"