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Date: Fri, 25 Jun 2010 09:40:50 -0400 (EDT)
From: "shivendra tripathi (JIRA)" <jira@apache.org>
To: java-dev@axis.apache.org
Subject: [jira] Commented: (AXIS2-4736) Axis Servlet consumes 100% cpu
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    [ https://issues.apache.org/jira/browse/AXIS2-4736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12882575#action_12882575 ] 

shivendra tripathi commented on AXIS2-4736:
-------------------------------------------

Uncomment "org.apache.commons.logging.Log=org.apache.commons.logging.impl.Log4JLogger" in commons-logging.properties file. Set log4j.rootCategory= DEBUG, CONSOLE, LOGFILE in log4j.properties file.

> Axis Servlet consumes 100% cpu
> ------------------------------
>
>                 Key: AXIS2-4736
>                 URL: https://issues.apache.org/jira/browse/AXIS2-4736
>             Project: Axis2
>          Issue Type: Bug
>          Components: kernel
>         Environment: Redhat Linux 5.0, Tomcat 6.0, jdk 1.6.0.18
>            Reporter: Ishwardeep Singh
>         Attachments: thread_dump
>
>
> As soon as tomcat server is started and processes a couple of requests it starts to consume 100% cpu on the machine. Upon taking the thread dump it seems that it is stuck in the query parser. The thread dump for the same is attached.
> "TP-Processor51" daemon prio=10 tid=0x6f242800 nid=0x3764 runnable [0x6a041000]
>    java.lang.Thread.State: RUNNABLE
>         at java.lang.String.substring(String.java:1939)
>         at org.apache.axis2.transport.http.util.QueryStringParser.getName(QueryStringParser.java:99)
>         at org.apache.axis2.transport.http.util.QueryStringParser.search(QueryStringParser.java:82)
>         at org.apache.axis2.transport.http.AxisServlet.doGet(AxisServlet.java:246)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>         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:233)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>         at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:555)
>         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
>         at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
>         at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
>         at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
>         at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)
>         at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
>         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
>         at java.lang.Thread.run(Thread.java:619)

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