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Posted to dev@xalan.apache.org by "Numan Ilyas (JIRA)" <ji...@apache.org> on 2013/09/18 17:47:51 UTC
[jira] [Commented] (XALANJ-2574) Hung Threads at
org.apache.xml.dtm.ref.DTMDefaultBase.findNamespaceContext(Unknown Source)
[ https://issues.apache.org/jira/browse/XALANJ-2574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13770899#comment-13770899 ]
Numan Ilyas commented on XALANJ-2574:
-------------------------------------
Hi,
Can someone please provide an update on this?
> Hung Threads at org.apache.xml.dtm.ref.DTMDefaultBase.findNamespaceContext(Unknown Source)
> ------------------------------------------------------------------------------------------
>
> Key: XALANJ-2574
> URL: https://issues.apache.org/jira/browse/XALANJ-2574
> Project: XalanJ2
> Issue Type: Bug
> Security Level: No security risk; visible to anyone(Ordinary problems in Xalan projects. Anybody can view the issue.)
> Components: Xalan, XPath
> Affects Versions: 2.7.1
> Environment: RHEL, WebSphere
> Reporter: Numan Ilyas
> Assignee: Steven J. Hathaway
> Priority: Critical
>
> We are having hung threads in our JVM logs and these threads are consuming all the CPU resources. We've to restart the JVMs everytime this issue occur. Unfortunately we aren't able to reproduce the issue and hence we can't provide the test case to reproduce. Please see following stack trace copied from JVM logs:
> [8/20/13 10:29:57:982 EDT] 0000001a ThreadMonitor W WSVR0605W: Thread "Migrated.Servlet.Engine.Transports : 1605" (00000670) has been active for 646127 milliseconds and may be hung. There is/are 1 thread(s) in total in the server that may be hung.
> at org.apache.xml.dtm.ref.DTMDefaultBase.findNamespaceContext(Unknown Source)
> at org.apache.xml.dtm.ref.DTMDefaultBase.declareNamespaceInContext(Unknown Source)
> at org.apache.xml.dtm.ref.dom2dtm.DOM2DTM.addNode(Unknown Source)
> at org.apache.xml.dtm.ref.dom2dtm.DOM2DTM.processNamespacesAndAttributes(Unknown Source)
> at org.apache.xml.dtm.ref.dom2dtm.DOM2DTM.nextNode(Unknown Source)
> at org.apache.xml.dtm.ref.DTMDefaultBase._nextsib(Unknown Source)
> at org.apache.xml.dtm.ref.DTMDefaultBase.getNextSibling(Unknown Source)
> at org.apache.xml.dtm.ref.DTMDefaultBaseTraversers$ChildTraverser.next(Unknown Source)
> at org.apache.xpath.axes.AxesWalker.getNextNode(Unknown Source)
> at org.apache.xpath.axes.AxesWalker.nextNode(Unknown Source)
> at org.apache.xpath.axes.WalkingIterator.nextNode(Unknown Source)
> at org.apache.xpath.axes.NodeSequence.nextNode(Unknown Source)
> at org.apache.xpath.axes.NodeSequence.runTo(Unknown Source)
> at org.apache.xpath.axes.NodeSequence.setRoot(Unknown Source)
> at org.apache.xpath.axes.LocPathIterator.execute(Unknown Source)
> at org.apache.xpath.XPath.execute(Unknown Source)
> at org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(Unknown Source)
> at our code reference
> at com.ibm._jsp._GetCustomerViewExclusionDetails._jspService(_GetCustomerViewExclusionDetails.java:152)
> at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:98)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
> at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1655)
> at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1595)
> at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:131)
> at com.savvion.sbm.websecurity.xss.filter.XSSFilter.doFilter(Unknown Source)
> at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
> at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
> at com.savvion.sbm.bpmportal.util.GZIPFilter.doFilter(Unknown Source)
> at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
> at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
> at com.savvion.sbm.bpmportal.util.EncodingFilter.doFilter(Unknown Source)
> at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
> at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
> at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
> at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
> at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:932)
> at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:500)
> at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
> at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:121)
> at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.handleRequest(AbstractJSPExtensionServletWrapper.java:239)
> at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:91)
> at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:864)
> at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1583)
> at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:186)
> at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:455)
> at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:384)
> at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:83)
> at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
> at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
> at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
> at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
> at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
> at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
> at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
> at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1550)
> Regards,
> Numan Ilyas
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