Hello, I suddenly out of the blue get the following trace. It happens sometimes not all the time. Does anybody knows what this means. And what can be done about it?
rethrown as org.apache.ojb.broker.PersistenceBrokerSQLException: Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.net.SocketException MESSAGE: Broken pipe STACKTRACE: java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92) at java.net.SocketOutputStream.write(SocketOutputStream.java:136) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2618) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2549) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1512) at com.mysql.jdbc.ServerPreparedStatement.serverPrepare( ServerPreparedStatement.java:1485) at com.mysql.jdbc.ServerPreparedStatement .<init>(ServerPreparedStatement.java:151) at com.mysql.jdbc.Connection.prepareStatement(Connection.java:1309) at org.apache.ojb.broker.accesslayer.StatementsForClassImpl.prepareStatement(Unknown Source) at org.apache.ojb.broker.accesslayer.StatementsForClassImpl.prepareStatement(Unknown Source) at org.apache.ojb.broker.accesslayer.StatementsForClassImpl.getPreparedStmt(Unknown Source) at org.apache.ojb.broker.accesslayer.StatementManager.getPreparedStatement(Unknown Source) at org.apache.ojb.broker.accesslayer.JdbcAccessImpl.executeQuery(Unknown Source) at org.apache.ojb.broker.accesslayer.RsQueryObject.performQuery(Unknown Source) at org.apache.ojb.broker.accesslayer.RsIterator.<init>(Unknown Source) at org.apache.ojb.broker.core.RsIteratorFactoryImpl.createRsIterator(Unknown Source) at org.apache.ojb.broker.core.PersistenceBrokerImpl.getRsIteratorFromQuery(Unknown Source) at org.apache.ojb.broker.core.PersistenceBrokerImpl.getIteratorFromQuery(Unknown Source) at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.PersistenceBrokerImpl.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionByQuery(Unknown Source) at org.apache.ojb.broker.core.proxy.CollectionProxyDefaultImpl.loadData(Unknown Source) at org.apache.ojb.broker.core.proxy.ListProxyDefaultImpl.loadData(Unknown Source) at org.apache.ojb.broker.core.proxy.CollectionProxyDefaultImpl.getData(Unknown Source) at org.apache.ojb.broker.core.proxy.CollectionProxyDefaultImpl.toArray(Unknown Source) at java.util.Collections.sort(Collections.java:158) at com.myvision.gui.datatable.WebSiteViewer.constructBaseComponentFromModel( WebSiteViewer.java:233) at com.myvision.gui.datatable.WebSiteViewer.constructBaseComponentFromModel( WebSiteViewer.java:107) at com.myvision.gui.BaseComponent.add( BaseComponent.java:1510) at com.myvision.control.DynamicApplication.setHtmlContent( DynamicApplication.java:48) at com.myvision.render.HtmlRenderer.setApplicationContent(HtmlRenderer.java:20) at com.myvision.gui.application.Application.setContent(Application.java:272) at com.myvision.control.ApplicationServer.initApplication( ApplicationServer.java:415) at com.myvision.control.ApplicationServer.doGet( ApplicationServer.java:131) at javax.servlet.http.HttpServlet.service( HttpServlet.java:689) at javax.servlet.http.HttpServlet.service( HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:173) at org.apache.catalina.core.ApplicationDispatcher.invoke( ApplicationDispatcher.java:672) at org.apache.catalina.core.ApplicationDispatcher.processRequest( ApplicationDispatcher.java:463) at org.apache.catalina.core.ApplicationDispatcher.doForward( ApplicationDispatcher.java:398) at org.apache.catalina.core.ApplicationDispatcher.forward( ApplicationDispatcher.java:301) at org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:693) at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:660) at org.apache.jsp.index_jsp._jspService(org.apache.jsp.index_jsp:43) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke( StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke( StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke( StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection (Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket( PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt( LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run( ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) -- mvg, Dennis
