Numan Ilyas created XALANJ-2574:
-----------------------------------
Summary: 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 and hence application performance degrades. Our application is running
on WebSphere. Following is the stack trace for the hung threads.
[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)
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