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aditya-narain / oroboks-service

Oroboks REST API
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Sort the 500 Internal Server Error Issue #7

Closed aditya-narain closed 8 years ago

aditya-narain commented 8 years ago

<!DOCTYPE html>

Apache Tomcat/8.0.30 - Error report

HTTP Status 500 - org.hibernate.exception.JDBCConnectionException: Cannot open connection

type Exception report

message org.hibernate.exception.JDBCConnectionException: Cannot open connection

description The server encountered an internal error that prevented it from fulfilling this request.

exception 

javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: Cannot open connection
    org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:637)
    org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:41)
    com.google.inject.persist.jpa.JpaLocalTxnInterceptor.invoke(JpaLocalTxnInterceptor.java:62)
    com.oroboks.UserResource.getUserWithId(UserResource.java:108)
    com.oroboks.UserResource.getUsers(UserResource.java:86)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:498)
    com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
    com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
    com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
    com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)
    com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)
    com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
    com.google.inject.persist.PersistFilter.doFilter(PersistFilter.java:89)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.oroboks.guice.CorsFilter.doFilter(CorsFilter.java:37)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
    com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)

root cause 

org.hibernate.exception.JDBCConnectionException: Cannot open connection
    org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:99)
    org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
    org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)
    org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449)
    org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
    org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:160)
    org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:81)
    org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473)
    org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:38)
    com.google.inject.persist.jpa.JpaLocalTxnInterceptor.invoke(JpaLocalTxnInterceptor.java:62)
    com.oroboks.UserResource.getUserWithId(UserResource.java:108)
    com.oroboks.UserResource.getUsers(UserResource.java:86)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:498)
    com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
    com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
    com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
    com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)
    com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)
    com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
    com.google.inject.persist.PersistFilter.doFilter(PersistFilter.java:89)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.oroboks.guice.CorsFilter.doFilter(CorsFilter.java:37)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
    com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)

root cause 

com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed by the driver.
    sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
    com.mysql.jdbc.Util.getInstance(Util.java:382)
    com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
    com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
    com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
    com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
    com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1213)
    com.mysql.jdbc.ConnectionImpl.getMutex(ConnectionImpl.java:3101)
    com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4975)
    org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:127)
    org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446)
    org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
    org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:160)
    org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:81)
    org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473)
    org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:38)
    com.google.inject.persist.jpa.JpaLocalTxnInterceptor.invoke(JpaLocalTxnInterceptor.java:62)
    com.oroboks.UserResource.getUserWithId(UserResource.java:108)
    com.oroboks.UserResource.getUsers(UserResource.java:86)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:498)
    com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
    com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
    com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
    com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)
    com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)
    com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
    com.google.inject.persist.PersistFilter.doFilter(PersistFilter.java:89)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.oroboks.guice.CorsFilter.doFilter(CorsFilter.java:37)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
    com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)

root cause 

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 105,765 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.
    sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
    com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
    com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3092)
    com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2978)
    com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3526)
    com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1989)
    com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2150)
    com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2620)
    com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:5022)
    org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:87)
    org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473)
    org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:38)
    com.google.inject.persist.jpa.JpaLocalTxnInterceptor.invoke(JpaLocalTxnInterceptor.java:62)
    com.oroboks.UserResource.createAndReturnToken(UserResource.java:152)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:498)
    com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
    com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
    com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)
    com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)
    com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
    com.google.inject.persist.PersistFilter.doFilter(PersistFilter.java:89)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.oroboks.guice.CorsFilter.doFilter(CorsFilter.java:37)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
    com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)

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:2539)
    com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2989)
    com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2978)
    com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3526)
    com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1989)
    com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2150)
    com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2620)
    com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:5022)
    org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:87)
    org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473)
    org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:38)
    com.google.inject.persist.jpa.JpaLocalTxnInterceptor.invoke(JpaLocalTxnInterceptor.java:62)
    com.oroboks.UserResource.createAndReturnToken(UserResource.java:152)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:498)
    com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
    com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
    com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)
    com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)
    com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
    com.google.inject.persist.PersistFilter.doFilter(PersistFilter.java:89)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.oroboks.guice.CorsFilter.doFilter(CorsFilter.java:37)
    com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
    com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
    com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
    com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.30 logs.

Apache Tomcat/8.0.30

aditya-narain commented 8 years ago

Resolved the issue, by adding c3p0, check persistence.xml to see the properties added.