Dear All, I am getting Internal Server Error email from DSpace 6.0, about 6000 in 2 weeks.
Here's an example: An internal server error occurred on http://pdgecodspclht01/xmlui: Date: 24/09/19 07:46 Session ID: 50C662FC0C245FC208195B9E25EF163B User: Anonymous IP address: 10.143.67.6 -- URL Was: http://10.143.10.202/jspui/internal-error -- Method: GET -- Parameters were: Exception: org.apache.jasper.JasperException: javax.servlet.ServletException: org.hibernate.exception.GenericJDBCException: Could not open connection at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:565) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) at fr.insee.catalina.valves.InseeAddHeaderValve.invoke(InseeAddHeaderValve.java:42) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:677) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) Caused by: javax.servlet.ServletException: org.hibernate.exception.GenericJDBCException: Could not open connection at org.apache.jsp.index_jsp._jspService(index_jsp.java:187) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443) ... 30 more Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:124) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:221) at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:157) at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67) at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:160) at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1387) at sun.reflect.GeneratedMethodAccessor166.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.hibernate.context.internal.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:352) at com.sun.proxy.$Proxy194.beginTransaction(Unknown Source) at org.dspace.core.HibernateDBConnection.getSession(HibernateDBConnection.java:44) at org.dspace.core.HibernateDBConnection.getSession(HibernateDBConnection.java:33) at org.dspace.core.AbstractHibernateDAO.getHibernateSession(AbstractHibernateDAO.java:48) at org.dspace.core.AbstractHibernateDAO.createQuery(AbstractHibernateDAO.java:116) at org.dspace.content.dao.impl.MetadataFieldDAOImpl.findByElement(MetadataFieldDAOImpl.java:88) at org.dspace.content.MetadataFieldServiceImpl.findByElement(MetadataFieldServiceImpl.java:93) at org.dspace.content.CommunityServiceImpl.findAllTop(CommunityServiceImpl.java:163) at org.dspace.app.webui.components.TopCommunitiesSiteProcessor.process(TopCommunitiesSiteProcessor.java:54) at org.apache.jsp.index_jsp._jspService(index_jsp.java:180) ... 33 more Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object at org.apache.commons.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:142) at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1533) at org.hibernate.service.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:141) at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:301) at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:214) ... 51 more Caused by: java.util.NoSuchElementException: Timeout waiting for idle object at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:449) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) at org.apache.commons.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:134) ... 55 more -- All messages to this mailing list should adhere to the DuraSpace Code of Conduct: https://duraspace.org/about/policies/code-of-conduct/ --- You received this message because you are subscribed to the Google Groups "DSpace Technical Support" group. To unsubscribe from this group and stop receiving emails from it, send an email to dspace-tech+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dspace-tech/24e20426-4948-4a37-95a6-fa3c7cfcd726%40googlegroups.com.