Subject: Problem while submission using DSpace 1.4.2 While working alone I never got these errors, but when 4-5 users are logged on an making submissions this error comes frequently.
Details of the Error After click on Next for "The item consists of more than one file" and filling the first page of Item Submission (General Tab), on clicking next, submission fails. Everyone needs to fill the page again, with time this increases. System in use OS - RHEL5 Web Server/container Apache Tomcat Database Postgres The DB and app server are separate The error log for the stack is as below 2010-05-25 15:44:30,968 WARN org.dspace.app.webui.servlet.InternalErrorServlet @ :session_id=BE77304175A56DC62301758A0839FF01:internal_error:-- URL Was: http://192.168.4.13:8080/dhcal/submit -- Method: POST -- Parameters were: -- dc_date_created_month: "5" -- dc_identifier_accessionnumber: "278130" -- submit_next: "Next >" -- workspace_item_id: "8279" -- dc_date_created_day: "25" -- dc_identifier_barcode: "PAT83401111" -- dc_contributor_enteredby: "DSpace DSpace" -- dc_description_projects: "" -- dc_plant_typequalifier: "Probably" -- step: "2" -- dc_date_created_year: "2010" java.lang.NullPointerException at org.dspace.storage.rdbms.DatabaseManager.queryTable(DatabaseManager.java:156) at org.dspace.storage.rdbms.DatabaseManager.queryTable(DatabaseManager.java:170) at org.dspace.workflow.WorkflowItem.findAll(WorkflowItem.java:172) at org.dspace.app.webui.servlet.SubmitServlet.readText(SubmitServlet.java:2756) at org.dspace.app.webui.servlet.SubmitServlet.processEditMetadata(SubmitServlet.java:914) at org.dspace.app.webui.servlet.SubmitServlet.doDSPost(SubmitServlet.java:396) at org.dspace.app.webui.servlet.DSpaceServlet.processRequest(DSpaceServlet.java:320) at org.dspace.app.webui.servlet.DSpaceServlet.doPost(DSpaceServlet.java:222) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.dspace.app.webui.filter.RegisteredOnlyFilter.doFilter(RegisteredOnlyFilter.java:98) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:595) After this failure I can see 5-6 "Idle Wait" process for postgres user(which is way lower than . Now idle wait is know issue, but the max connection for DSpace is 99 and on postgres side it is set as 100, checked kernel settings it is way more to give connection refusal. Any idea on resolution of this issue ?? -- View this message in context: http://old.nabble.com/Problem-while-submission-using-DSpace-1.4.2-tp28739112p28739112.html Sent from the DSpace - Tech mailing list archive at Nabble.com.
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