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https://issues.apache.org/jira/browse/AXIS2-4424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854378#action_12854378
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Ravi Shanker Reddy commented on AXIS2-4424:
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Hi Andreas,
Sorry for lat confirmation, after adding the Woodstox to class path we never
get the issue mentioned.
Thanks for your help.
> 100% CPU Utilization during the stress
> --------------------------------------
>
> Key: AXIS2-4424
> URL: https://issues.apache.org/jira/browse/AXIS2-4424
> Project: Axis2
> Issue Type: Bug
> Components: transports
> Affects Versions: 1.4.1
> Environment: Linux, JDK 1.6.0_04-b12, tomcat-6.0.14
> Reporter: Ravi Shanker Reddy
> Assignee: Andreas Veithen
> Fix For: 1.6
>
>
> We are continuously sending the SOAP requests to our server, after some time
> some of the threads will get into following stack trace. The number of
> threads which falls into the following stack trace will be increase with the
> time. Once 3 to 4 threads are fot into the below stack trace the server CPU
> will reaces to 100%. We debugged the issue and find that the problem is with
> the below method
> org.apache.axiom.soap.impl.builder StAXSOAPModelBuilder
> Method:
> public SOAPEnvelope getSOAPEnvelope() throws OMException {
> while ((envelope == null) && !done) {
> next();
> }
> return envelope;
> }
> In some specific conditions, the while loop never ends which resulted into
> 100% CPU.
> We enabled the TRACING and found that, once any thread falls in the this loop
> getting following statement in log file continuously.
> Please note that, there is not issue with SOAP request which we are sending,
> we tested the SOAP requests individually and all are getting proper response.
> 09 Jul 2009 09:19:10 TRACE [http-8080-17] builder.StAXOMBuilder -
> START_DOCUMENT:
> 09 Jul 2009 09:19:10 TRACE [http-8080-17] builder.StAXOMBuilder -
> START_DOCUMENT:
> 09 Jul 2009 09:19:10 TRACE [http-8080-17] builder.StAXOMBuilder -
> START_DOCUMENT:
> 09 Jul 2009 09:19:10 TRACE [http-8080-17] builder.StAXOMBuilder -
> START_DOCUMENT:
> 09 Jul 2009 09:19:10 TRACE [http-8080-17] builder.StAXOMBuilder -
> START_DOCUMENT:
> 09 Jul 2009 09:19:10 TRACE [http-8080-17] builder.StAXOMBuilder -
> START_DOCUMENT:
> Stack Trace of The Thread:-
> http-8080-34" daemon prio=10 tid=0x7addb400 nid=0x2423 runnable
> [0x794ee000..0x794ef030]
> java.lang.Thread.State: RUNNABLE
> at
> org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:177)
> at
> org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder.getSOAPEnvelope(StAXSOAPModelBuilder.java:156)
> at
> org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder.<init>(StAXSOAPModelBuilder.java:105)
> at
> org.apache.axis2.builder.SOAPBuilder.processDocument(SOAPBuilder.java:53)
> at
> org.apache.axis2.transport.TransportUtils.createDocumentElement(TransportUtils.java:164)
> at
> org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:112)
> at
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:270)
> at
> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:133)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at
> org.apache.catalina.valves.RequestDumperValve.invoke(RequestDumperValve.java:151)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
> at
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:619)
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