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From Amol Puglia <>
Subject Need help in understanding tomcat thread dump
Date Tue, 11 Jan 2011 11:11:28 GMT
Hello Team,

I have taken thread dump for tomcat. I have analyzed it using Thread dump analyzer.

After reading thread dump i am unable to point which thread is exactly causing the issue.

kindly guide me to read thread dumps.

Following is the one of the thread from the thread dump output.

"TP-Processor50" daemon prio=5 tid=0x00449ea8 nid=0x56 waiting on condition [9427e000..9427fc30]
    at java.lang.Thread.sleep(Native Method)
    at javax.servlet.http.HttpServlet.service(
    at javax.servlet.http.HttpServlet.service(
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
    at org.apache.catalina.core.StandardWrapperValve.invoke(
    at org.apache.catalina.core.StandardContextValve.invoke(
    at org.apache.catalina.core.StandardHostValve.invoke(
    at org.apache.catalina.valves.ErrorReportValve.invoke(
    at org.apache.catalina.core.StandardEngineValve.invoke(
    at org.apache.catalina.connector.CoyoteAdapter.service(
    at org.apache.jk.server.JkCoyoteHandler.invoke(
    at org.apache.jk.common.HandlerRequest.invoke(
    at org.apache.jk.common.ChannelSocket.invoke(
    at org.apache.jk.common.ChannelSocket.processConnection(
    at org.apache.jk.common.SocketConnection.runIt(
    at org.apache.tomcat.util.threads.ThreadPool$

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