Hi, Andrea! Isn't it a duplicate bug for GEOT-1149?
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:geotools-devel- > [EMAIL PROTECTED] On Behalf Of Andrea Aime (JIRA) > Sent: Friday, May 18, 2007 8:42 PM > To: geotools-devel@lists.sourceforge.net > Subject: [Geotools-devel] [jira] Created: (GEOT-1271) Concurrent > modification exception in connection pool on high load > > Concurrent modification exception in connection pool on high load > ----------------------------------------------------------------- > > Key: GEOT-1271 > URL: http://jira.codehaus.org/browse/GEOT-1271 > Project: GeoTools > Issue Type: Improvement > Components: data jdbc > Affects Versions: 2.3.1 > Reporter: Andrea Aime > Assignee: Andrea Aime > Fix For: 2.3.2, 2.4.M3 > > > Hitting geoserver with lots of clients threads I was able to get the > following exception: > > 18 mag 19:28:42 ERROR [geotools.rendering] - > java.util.ConcurrentModificationException > at > java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:761) > at java.util.LinkedList$ListItr.next(LinkedList.java:696) > at > org.geotools.data.jdbc.ConnectionPool.getInUseManagedPooledConnection(Conn > ectionPool.java:148) > at > org.geotools.data.jdbc.ConnectionPool.access$200(ConnectionPool.java:44) > at > org.geotools.data.jdbc.ConnectionPool$ConnectionListManager.connectionClos > ed(ConnectionPool.java:225) > at > org.postgresql.ds.common.PooledConnectionImpl.fireConnectionClosed(PooledC > onnectionImpl.java:175) > at > org.postgresql.ds.common.PooledConnectionImpl$ConnectionHandler.invoke(Poo > ledConnectionImpl.java:331) > at $Proxy0.close(Unknown Source) > at org.geotools.data.jdbc.JDBCUtils.close(JDBCUtils.java:149) > at org.geotools.data.jdbc.QueryData.close(QueryData.java:171) > at > org.geotools.data.jdbc.JDBCFeatureReader.close(JDBCFeatureReader.java:63) > at > org.geotools.data.jdbc.JDBCFeatureReader.close(JDBCFeatureReader.java:59) > at > org.geotools.renderer.lite.StreamingRenderer.processStylers(StreamingRende > rer.java:1580) > at > org.geotools.renderer.lite.StreamingRenderer.paint(StreamingRenderer.java: > 714) > at > org.geotools.renderer.lite.StreamingRenderer.paint(StreamingRenderer.java: > 436) > at > org.vfny.geoserver.wms.responses.DefaultRasterMapProducer.produceMap(Defau > ltRasterMapProducer.java:262) > at > org.vfny.geoserver.wms.responses.GetMapResponse.execute(GetMapResponse.jav > a:316) > at > org.vfny.geoserver.servlets.AbstractService.doService(AbstractService.java > :516) > at > org.vfny.geoserver.servlets.AbstractService.doGet(AbstractService.java:315 > ) > at org.geoserver.request.Dispatcher.dispatch(Dispatcher.java:192) > at > org.geoserver.request.Dispatcher.handleRequestInternal(Dispatcher.java:52) > at > org.springframework.web.servlet.mvc.AbstractController.handleRequest(Abstr > actController.java:139) > at > org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle( > SimpleControllerHandlerAdapter.java:44) > at > org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherSer > vlet.java:684) > at > org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServ > let.java:625) > at > org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkS > ervlet.java:392) > at > org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.ja > va:347) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:445) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandl > er.java:1050) > at > org.vfny.geoserver.filters.SetCharacterEncodingFilter.doFilter(SetCharacte > rEncodingFilter.java:103) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandl > er.java:1041) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:354) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:226) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:627) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:141) > at org.mortbay.jetty.Server.handle(Server.java:269) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:430) > at > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnect > ion.java:687) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:492) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:199) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:339) > at > org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java: > 208) > at > org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java > :475) > 18 mag 19:28:44 ERROR [data.jdbc] - There's code leaving readers or > writers unclosed (you got an unclosed QueryData object, which is usually > held by a reader or a writer). > Call reader/writer.close() after using them to ensure they do not hold > state such as JDCB connections. > QueryData was open against feature type: tiger_roads > > -- > This message is automatically generated by JIRA. > - > If you think it was sent incorrectly contact one of the administrators: > http://jira.codehaus.org/secure/Administrators.jspa > - > For more information on JIRA, see: http://www.atlassian.com/software/jira > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Geotools-devel mailing list > Geotools-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geotools-devel ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Geotools-devel mailing list Geotools-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geotools-devel
