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http://issues.apache.org/bugzilla/show_bug.cgi?id=41251 Summary: ArrayIndexOutOfBoundsException in multithreading environement Product: Fop Version: 0.20.5 Platform: All OS/Version: Linux Status: NEW Severity: normal Priority: P1 Component: general AssignedTo: fop-dev@xmlgraphics.apache.org ReportedBy: [EMAIL PROTECTED] Making 5 fop threads work simultaneiousely leads to a failure every 1000 task. That means, when the process is invoked 5000 times (only f threads are allowed at one time) about 5 out of the 5000 tasks fail and result in the following exception. The same tasks which failed, can be successful processed when invoked again, which means it has nothing to do with the tasks themselves. And the failure happens randomly at any time, but i never noticed that it happened at the very beginning of the processing. Usually it happenes after few hundreds of tasks were processed. java.lang.ArrayIndexOutOfBoundsException: -2; Line#: 51; Column#: 106 at com.mycompany.rendering.engine.FopRenderer.render(FopRenderer.java:254) at com.mycompany.rendering.engine.XmlHtmlRenderer.render (XmlHtmlRenderer.java:92) at com.mycompany.rendering.engine.XmlHtmlRenderer.render (XmlHtmlRenderer.java:124) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.transform (CDefaultPostProcessor.java:320) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.xml2pdf (CDefaultPostProcessor.java:274) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.postprocess (CDefaultPostProcessor.java:207) at com.mycompany.myproduct.postprocessing.CTaxCertPostProcessor.postprocess (CTaxCertPostProcessor.java:78) at com.mycompany.myproduct.processors.CReportProcessor.postProcessRequest (CReportProcessor.java:251) at com.mycompany.myproduct.processors.CReportProcessor.doExecute (CReportProcessor.java:183) at com.mycompany.myproduct.processors.CReportRequestProcessor.doExecute (CReportRequestProcessor.java:454) at com.mycompany.myproduct.CmyproductProcess.execute (CmyproductProcess.java:183) at com.mycompany.myproduct.processors.CReportRequestProcessor.process (CReportRequestProcessor.java:157) at com.mycompany.myproduct.workflow.queues.WorkerMDEJB.onMessage (WorkerMDEJB.java:126) at weblogic.ejb20.internal.MDListener.execute(MDListener.java:370) at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:262) at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2678) at weblogic.jms.client.JMSSession.execute(JMSSession.java:2598) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178) javax.xml.transform.TransformerException: java.lang.ArrayIndexOutOfBoundsException: -2 at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates (TransformerImpl.java:2344) at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode (TransformerImpl.java:2160) at org.apache.xalan.transformer.TransformerImpl.transformNode (TransformerImpl.java:1213) at org.apache.xalan.transformer.TransformerImpl.transform (TransformerImpl.java:668) at org.apache.xalan.transformer.TransformerImpl.transform (TransformerImpl.java:1129) at org.apache.xalan.transformer.TransformerImpl.transform (TransformerImpl.java:1107) at com.mycompany.rendering.engine.FopRenderer.render(FopRenderer.java:241) at com.mycompany.rendering.engine.XmlHtmlRenderer.render (XmlHtmlRenderer.java:92) at com.mycompany.rendering.engine.XmlHtmlRenderer.render (XmlHtmlRenderer.java:124) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.transform (CDefaultPostProcessor.java:320) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.xml2pdf (CDefaultPostProcessor.java:274) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.postprocess (CDefaultPostProcessor.java:207) at com.mycompany.myproduct.postprocessing.CTaxCertPostProcessor.postprocess (CTaxCertPostProcessor.java:78) at com.mycompany.myproduct.processors.CReportProcessor.postProcessRequest (CReportProcessor.java:251) at com.mycompany.myproduct.processors.CReportProcessor.doExecute (CReportProcessor.java:183) at com.mycompany.myproduct.processors.CReportRequestProcessor.doExecute (CReportRequestProcessor.java:454) at com.mycompany.myproduct.CmyproductProcess.execute (CmyproductProcess.java:183) at com.mycompany.myproduct.processors.CReportRequestProcessor.process (CReportRequestProcessor.java:157) at com.mycompany.myproduct.workflow.queues.WorkerMDEJB.onMessage (WorkerMDEJB.java:126) at weblogic.ejb20.internal.MDListener.execute(MDListener.java:370) at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:262) at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2678) at weblogic.jms.client.JMSSession.execute(JMSSession.java:2598) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178) java.lang.ArrayIndexOutOfBoundsException: -2 at org.apache.fop.fo.flow.TableRow$CellArray.getNextFreeCell(TableRow.java:130) at org.apache.fop.fo.flow.TableRow.initCellArray(TableRow.java:505) at org.apache.fop.fo.flow.TableRow.layout(TableRow.java:271) at org.apache.fop.fo.flow.AbstractTableBody.layout(AbstractTableBody.java:236) at org.apache.fop.fo.flow.Table.layout(Table.java:302) at org.apache.fop.fo.flow.AbstractFlow.layout(AbstractFlow.java:154) at org.apache.fop.fo.flow.AbstractFlow.layout(AbstractFlow.java:110) at org.apache.fop.fo.pagination.PageSequence.makePage(PageSequence.java:400) at org.apache.fop.fo.pagination.PageSequence.format(PageSequence.java:338) at org.apache.fop.apps.StreamRenderer.render(StreamRenderer.java:262) at org.apache.fop.fo.FOTreeBuilder.endElement(FOTreeBuilder.java:223) at org.apache.xalan.transformer.ResultTreeHandler.endElement (ResultTreeHandler.java:309) at org.apache.xalan.templates.ElemLiteralResult.execute (ElemLiteralResult.java:716) at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates (TransformerImpl.java:2339) at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode (TransformerImpl.java:2160) at org.apache.xalan.transformer.TransformerImpl.transformNode (TransformerImpl.java:1213) at org.apache.xalan.transformer.TransformerImpl.transform (TransformerImpl.java:668) at org.apache.xalan.transformer.TransformerImpl.transform (TransformerImpl.java:1129) at org.apache.xalan.transformer.TransformerImpl.transform (TransformerImpl.java:1107) at com.mycompany.rendering.engine.FopRenderer.render(FopRenderer.java:241) at com.mycompany.rendering.engine.XmlHtmlRenderer.render (XmlHtmlRenderer.java:92) at com.mycompany.rendering.engine.XmlHtmlRenderer.render (XmlHtmlRenderer.java:124) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.transform (CDefaultPostProcessor.java:320) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.xml2pdf (CDefaultPostProcessor.java:274) at com.mycompany.myproduct.postprocessing.CDefaultPostProcessor.postprocess (CDefaultPostProcessor.java:207) at com.mycompany.myproduct.postprocessing.CTaxCertPostProcessor.postprocess (CTaxCertPostProcessor.java:78) at com.mycompany.myproduct.processors.CReportProcessor.postProcessRequest (CReportProcessor.java:251) at com.mycompany.myproduct.processors.CReportProcessor.doExecute (CReportProcessor.java:183) at com.mycompany.myproduct.processors.CReportRequestProcessor.doExecute (CReportRequestProcessor.java:454) at com.mycompany.myproduct.CmyproductProcess.execute (CmyproductProcess.java:183) at com.mycompany.myproduct.processors.CReportRequestProcessor.process (CReportRequestProcessor.java:157) at com.mycompany.myproduct.workflow.queues.WorkerMDEJB.onMessage (WorkerMDEJB.java:126) at weblogic.ejb20.internal.MDListener.execute(MDListener.java:370) at weblogic.ejb20.internal.MDListener.onMessage(MDListener.java:262) at weblogic.jms.client.JMSSession.onMessage(JMSSession.java:2678) at weblogic.jms.client.JMSSession.execute(JMSSession.java:2598) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178) -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee.
