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From MURAT BALKAS <murat.bal...@rtnet.net.tr>
Subject RE: OutOfMemory exception explanation?
Date Tue, 27 Jan 2004 06:24:45 GMT





Hi,

      I need some info about these memory profiler's. Is there any free and
easy-to-integrate-to-tomcat memory profiler?

      Thanks...

Murat



                                                                                         
                                             
                      "Filip Hanik"                                                      
                                             
                      <devlists@hanik.c        To:       "Tomcat Users List" <tomcat-user@jakarta.apache.org>
                         
                      om>                      cc:                                    
                                                
                                               Subject:  RE: OutOfMemory exception explanation?
                                       
                      27.01.2004 01:35                                                   
                                             
                      Please respond to                                                  
                                             
                      "Tomcat Users                                                      
                                             
                      List"                                                              
                                             
                                                                                         
                                             
                                                                                         
                                             




download a memory profiler, should give you the exact place where memory is
being wasted. probably in your own webapp

-----Original Message-----
From: D'Alessandro, Arthur [mailto:Arthur.Dalessandro@cbetech.com]
Sent: Monday, January 26, 2004 11:43 AM
To: Tomcat Users List
Subject: OutOfMemory exception explanation?


We've been getting these every now and then:

Jan 23, 2004 5:03:30 PM org.apache.tomcat.util.net.TcpWorkerThread runIt
SEVERE: Exception in acceptSocket
java.lang.OutOfMemoryError
Jan 23, 2004 5:03:30 PM
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable run
SEVERE: Caught exception executing
org.apache.tomcat.util.net.TcpWorkerThread@8a4d2e, terminating thread
java.lang.IllegalStateException: Terminating thread
        at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:53
2)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool
.java:619)
        at java.lang.Thread.run(Thread.java:536)



Once this occurrs, I have to stop / start the entire Tomcat container in
order to allow this particular webapp to function again.  It only
effects a particular servlet mapping for a  given webapp.  Does anyone
have any suggestions on how to resolve?  We're running version 4.1.24..
Any leads would be great, thanks.

-Art

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