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. 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