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From "Haresh Gujarathi" <ghar...@vsnl.com>
Subject RE: tomcat is crashing
Date Tue, 25 Sep 2001 10:39:03 GMT
Just FYI
When it crashes; I get following dump in the tomcat.log



SIGSEGV   11*  segmentation violation
    si_signo [11]: SIGSEGV   11*  segmentation violation
    si_errno [0]: Success
    si_code [1]: SEGV_MAPERR [addr: 0x4]

	stackpointer=0x448b0b00

Full thread dump Classic VM (1.2.2-RC2-K, green threads):
    "SeedGenerator Thread" (TID:0x40eceb20, sys_thread_t:0x870c7e8,
state:CW) prio=1
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at sun.security.provider.SeedGenerator.run(SeedGenerator.java:109)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-33" (TID:0x40eba028, sys_thread_t:0x86a9658, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at org.apache.tomcat.util.ThreadPool$MonitorRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-32" (TID:0x40eb9fd0, sys_thread_t:0x86a80c8, state:CW) prio=5
	at java.net.PlainSocketImpl.socketAccept(Native Method)
	at java.net.PlainSocketImpl.accept(PlainSocketImpl.java, Compiled Code)
	at java.net.ServerSocket.implAccept(ServerSocket.java, Compiled Code)
	at java.net.ServerSocket.accept(ServerSocket.java, Compiled Code)
	at
org.apache.tomcat.service.PoolTcpEndpoint.acceptSocket(PoolTcpEndpoint.java,
Compiled Code)
	at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java,
Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-31" (TID:0x40eb9f00, sys_thread_t:0x86a6b38, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-30" (TID:0x40eb9ea8, sys_thread_t:0x86a55a8, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-29" (TID:0x40eba1a8, sys_thread_t:0x86a4018, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-28" (TID:0x40eba130, sys_thread_t:0x86a2a88, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-27" (TID:0x40eba0d8, sys_thread_t:0x8692560, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-26" (TID:0x40eba070, sys_thread_t:0x8691f88, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-25" (TID:0x40ec1230, sys_thread_t:0x869d2b0, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-24" (TID:0x40ec11d8, sys_thread_t:0x869ccd8, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-23" (TID:0x40ec1180, sys_thread_t:0x86945e8, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-22" (TID:0x40ec1438, sys_thread_t:0x868d710, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at org.apache.tomcat.util.ThreadPool$MonitorRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-21" (TID:0x40ec2828, sys_thread_t:0x868c0f0, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-20" (TID:0x40ec2338, sys_thread_t:0x868ab60, state:CW) prio=5
	at java.net.PlainSocketImpl.socketAccept(Native Method)
	at java.net.PlainSocketImpl.accept(PlainSocketImpl.java, Compiled Code)
	at java.net.ServerSocket.implAccept(ServerSocket.java, Compiled Code)
	at java.net.ServerSocket.accept(ServerSocket.java, Compiled Code)
	at
org.apache.tomcat.service.PoolTcpEndpoint.acceptSocket(PoolTcpEndpoint.java,
Compiled Code)
	at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java,
Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-19" (TID:0x40ec1ff0, sys_thread_t:0x86895d0, state:R) prio=5
	at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.ja
va)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java,
Compiled Code)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java, Compiled
Code)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java, Compiled Code)
	at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java)
	at org.apache.tomcat.core.Handler.service(Handler.java, Compiled Code)
	at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java)
	at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java,
Compiled Code)
	at org.apache.tomcat.core.ContextManager.service(ContextManager.java,
Compiled Code)
	at
org.apache.tomcat.service.connector.Ajp12ConnectionHandler.processConnection
(Ajp12ConnectionHandler.java, Compiled Code)
	at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java,
Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-18" (TID:0x40ec2ef0, sys_thread_t:0x8688040, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-17" (TID:0x40ec2c50, sys_thread_t:0x8686ab0, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-16" (TID:0x40ec2b88, sys_thread_t:0x8685520, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-15" (TID:0x40ec2a18, sys_thread_t:0x8683f90, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-14" (TID:0x40ec3230, sys_thread_t:0x8682a00, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-13" (TID:0x40ec3180, sys_thread_t:0x8681470, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-12" (TID:0x40ec3090, sys_thread_t:0x867fee0, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-11" (TID:0x40ec5a38, sys_thread_t:0x867b288, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at org.apache.tomcat.util.ThreadPool$MonitorRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-10" (TID:0x40ec68c0, sys_thread_t:0x8679590, state:CW) prio=5
	at java.net.PlainSocketImpl.socketAccept(Native Method)
	at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:406)
	at java.net.ServerSocket.implAccept(ServerSocket.java:240)
	at java.net.ServerSocket.accept(ServerSocket.java:224)
	at
org.apache.tomcat.service.PoolTcpEndpoint.acceptSocket(PoolTcpEndpoint.java)
	at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-9" (TID:0x40ec78e0, sys_thread_t:0x8678000, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-8" (TID:0x40ec76d8, sys_thread_t:0x8676a70, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-7" (TID:0x40ec7610, sys_thread_t:0x86754e0, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-6" (TID:0x40ec7530, sys_thread_t:0x8673f50, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-5" (TID:0x40ec7be0, sys_thread_t:0x86729c0, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-4" (TID:0x40ec7b60, sys_thread_t:0x8671430, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-3" (TID:0x40ec7aa0, sys_thread_t:0x866fea0, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-2" (TID:0x40ec7958, sys_thread_t:0x866c740, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "Thread-1" (TID:0x40ec7e40, sys_thread_t:0x8668b60, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec1860, sys_thread_t:0x8653f78, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ebeef0, sys_thread_t:0x86529e8, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec1680, sys_thread_t:0x8651410, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec1f38, sys_thread_t:0x864fe80, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec3e68, sys_thread_t:0x864e8f0, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ebfb98, sys_thread_t:0x864d160, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec4c40, sys_thread_t:0x864a280, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec2218, sys_thread_t:0x8648938, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec0490, sys_thread_t:0x8647370, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec6c98, sys_thread_t:0x8645d68, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec4260, sys_thread_t:0x86446d8, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ec5630, sys_thread_t:0x863f9d8, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java,
Compiled Code)
	at java.lang.Thread.run(Thread.java, Compiled Code)
    "StandardManager" (TID:0x40ea8fb0, sys_thread_t:0x85c5628, state:CW)
prio=5
	at java.lang.Thread.sleep(Native Method)
	at
org.apache.tomcat.session.StandardManager.threadSleep(StandardManager.java,
Compiled Code)
	at org.apache.tomcat.session.StandardManager.run(StandardManager.java)
	at java.lang.Thread.run(Thread.java:479)
    "Thread-0" (TID:0x40ea4530, sys_thread_t:0x845c750, state:CW) prio=5
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at org.apache.tomcat.util.Queue.pull(Queue.java, Compiled Code)
	at org.apache.tomcat.logging.LogDaemon$1.run(TomcatLogger.java, Compiled
Code)
	at org.apache.tomcat.logging.LogDaemon.run(TomcatLogger.java)
    "Finalizer" (TID:0x40e9f320, sys_thread_t:0x8106ff0, state:CW) prio=8
	at java.lang.Object.wait(Native Method)
	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java, Compiled Code)
	at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java, Compiled Code)
	at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:174)
    "Reference Handler" (TID:0x40e9f3b0, sys_thread_t:0x81022a0, state:CW)
prio=10
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java, Compiled Code)
	at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:114)
    "Signal dispatcher" (TID:0x40e9f3e0, sys_thread_t:0x81003e8, state:CW)
prio=5
    "Thread-34" (TID:0x40ed22f8, sys_thread_t:0x804c3d8, state:CW) prio=5
Monitor Cache Dump:
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC7BD8/40F77B68:
<unowned>
	Waiting to be notified:
	    "Thread-5" (0x86729c0)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC2B60/40F790B0:
<unowned>
	Waiting to be notified:
	    "Thread-16" (0x8685520)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC7B48/40F77AD0:
<unowned>
	Waiting to be notified:
	    "Thread-4" (0x8671430)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC7A98/40F779A8:
<unowned>
	Waiting to be notified:
	    "Thread-3" (0x866fea0)
    org.apache.tomcat.util.Queue@40EA44C8/40F38C90: <unowned>
	Waiting to be notified:
	    "Thread-0" (0x845c750)
    java.net.PlainSocketImpl@40EC8AE8/40F76CA8: owner "Thread-10"
(0x8679590) 1 entry
    org.apache.tomcat.util.ThreadPool$MonitorRunnable@40EC5A18/40F77F88:
<unowned>
	Waiting to be notified:
	    "Thread-11" (0x867b288)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC3208/40F78F80:
<unowned>
	Waiting to be notified:
	    "Thread-14" (0x8682a00)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC2A10/40F79018:
<unowned>
	Waiting to be notified:
	    "Thread-15" (0x8683f90)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC11D0/40F79D60:
<unowned>
	Waiting to be notified:
	    "Thread-24" (0x869ccd8)
    org.apache.tomcat.util.ThreadPool$MonitorRunnable@40EC29B0/40F79440:
<unowned>
	Waiting to be notified:
	    "Thread-22" (0x868d710)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC1178/40F79CC8:
<unowned>
	Waiting to be notified:
	    "Thread-23" (0x86945e8)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EB9EF8/40FCDCA8:
<unowned>
	Waiting to be notified:
	    "Thread-31" (0x86a6b38)
    java.net.PlainSocketImpl@40EC1148/40F79C48: owner "Thread-32"
(0x86a80c8) 1 entry
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC3160/40F78EE8:
<unowned>
	Waiting to be notified:
	    "Thread-13" (0x8681470)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EB9EA0/40FCDC10:
<unowned>
	Waiting to be notified:
	    "Thread-30" (0x86a55a8)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC7940/40F77910:
<unowned>
	Waiting to be notified:
	    "Thread-2" (0x866c740)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC7888/40F77DC8:
<unowned>
	Waiting to be notified:
	    "Thread-9" (0x8678000)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC2820/40F793A8:
<unowned>
	Waiting to be notified:
	    "Thread-21" (0x868c0f0)
    sun.security.provider.SeedGenerator@40ECEF08/40FD2A10: <unowned>
	Waiting to be notified:
	    "SeedGenerator Thread" (0x870c7e8)
    java.net.PlainSocketImpl@40EC2FF0/40F78DD0: owner "Thread-20"
(0x868ab60) 1 entry
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EBA068/40FCD9B0:
<unowned>
	Waiting to be notified:
	    "Thread-26" (0x8691f88)
    org.apache.tomcat.util.ThreadPool$MonitorRunnable@40EBA020/40FCDDD8:
<unowned>
	Waiting to be notified:
	    "Thread-33" (0x86a9658)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EBA0D0/40FCDA48:
<unowned>
	Waiting to be notified:
	    "Thread-27" (0x8692560)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC2F08/40F78E50:
<unowned>
	Waiting to be notified:
	    "Thread-12" (0x867fee0)
    java.lang.ref.ReferenceQueue$Lock@40E9F338/40ED4D18: <unowned>
	Waiting to be notified:
	    "Finalizer" (0x8106ff0)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC2EE8/40F791E0:
<unowned>
	Waiting to be notified:
	    "Thread-18" (0x8688040)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC76D0/40F77D30:
<unowned>
	Waiting to be notified:
	    "Thread-8" (0x8676a70)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EBA128/40FCDAE0:
<unowned>
	Waiting to be notified:
	    "Thread-28" (0x86a2a88)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC7E38/40F77878:
<unowned>
	Waiting to be notified:
	    "Thread-1" (0x8668b60)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EBA1E0/40FCD918:
<unowned>
	Waiting to be notified:
	    "Thread-25" (0x869d2b0)
    java.lang.ref.Reference$Lock@40E9F3C0/40ED4848: <unowned>
	Waiting to be notified:
	    "Reference Handler" (0x81022a0)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EBA1A0/40FCDB78:
<unowned>
	Waiting to be notified:
	    "Thread-29" (0x86a4018)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC75D8/40F77C98:
<unowned>
	Waiting to be notified:
	    "Thread-7" (0x86754e0)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC74A8/40F77C00:
<unowned>
	Waiting to be notified:
	    "Thread-6" (0x8673f50)
    org.apache.tomcat.util.ThreadPool$ControlRunnable@40EC2C48/40F79148:
<unowned>
	Waiting to be notified:
	    "Thread-17" (0x8686ab0)
Registered Monitor Dump:
    Invoker change lock: <unowned>
    utf8 hash table: <unowned>
    JNI pinning lock: <unowned>
    JNI global reference lock: <unowned>
    BinClass lock: <unowned>
    Class linking lock: <unowned>
    System class loader lock: <unowned>
    Code rewrite lock: <unowned>
    Heap lock: <unowned>
    Monitor cache lock: owner "Thread-19" (0x86895d0) 1 entry
    Dynamic loading lock: <unowned>
    Monitor IO lock: <unowned>
    User signal monitor: <unowned>
	Waiting to be notified:
	    "Signal dispatcher" (0x81003e8)
    Child death monitor: <unowned>
    I/O monitor: <unowned>
    Alarm monitor: <unowned>
	Waiting to be notified:
	    <unknown thread> (0x8056838)
    Thread queue lock: owner "Thread-19" (0x86895d0) 1 entry
	Waiting to be notified:
	    "Thread-34" (0x804c3d8)
    Monitor registry: owner "Thread-19" (0x86895d0) 1 entry







-----Original Message-----
From: Haresh Gujarathi [mailto:gharesh@vsnl.com]
Sent: Tuesday, September 25, 2001 3:45 PM
To: Tomcat-User
Subject: tomcat is crashing


Hi,
I am running a Java application which is using Apache Xalan and Xerces 2.0.
After a while the tomcat seem crashes.
I am not attributing the crash due to xalan or xerces. But for some reason I
have suspition on it.
I could not make out head or tail of the tomcat.log . It seems to have lot
of thread related messages; like.......

org.apache.tomcat.util.ThreadPool$ControlRunnable@40EBA068/40FCE1E8:
<unowned>
Waiting to be notified:
"Thread-26" (0x8691f88)
org.apache.tomcat.util.ThreadPool$MonitorRunnable@40EBA020/40FCE610:
<unowned>
Waiting to be notified:
"Thread-33" (0x86a9658)


Then there are lot of message as .................


"Thread-3" (TID:0x40ec7aa0, sys_thread_t:0x866fea0, state:CW) prio=5
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java, Compiled Code)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
at java.lang.Thread.run(Thread.java, Compiled Code)
"Thread-2" (TID:0x40ec7958, sys_thread_t:0x866c740, state:CW) prio=5
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java, Compiled Code)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
at java.lang.Thread.run(Thread.java, Compiled Code)
"Thread-1" (TID:0x40ec7e40, sys_thread_t:0x8668b60, state:CW) prio=5
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java, Compiled Code)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java)
at java.lang.Thread.run(Thread.java, Compiled Code)

Can somebody provide any clue?

I am using Red Hat 7.1
tomcat 3.2.1
apache 1.14
JDK
1.3.0


regards
haresh



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