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From √ėyvind Johansen <oyv...@electrictimecar.com>
Subject RE: Java processes in tomcat...
Date Thu, 30 Jun 2005 09:04:33 GMT
Possible reasons (not really sure here):

You open a filestream, but you do not close it after use
You start a Thread that never finishes (no stop when tomcat runs destroy()
on your webapp)
You start a ServerSocket listener that doesn't timeout or stop gracefully. 
Some other reason I do not see.

Oyvind Johansen
ElectricTimeCar, Norway

-----Opprinnelig melding-----
Fra: Gulshan Babajee [mailto:gulshan.babajee@parabolemaurice.com] 
Sendt: 30. juni 2005 10:35
Til: 'tomcat-user@jakarta.apache.org'
Emne: Java processes in tomcat...

Hi, I've posted this question sometimes ago, but did not receive any reply.
Am sending it again if ever someone has got an answer meanwhile 

Am actually using tomcat version 5.0.28 on Red Hat Linux 6.2. What i've
notice is that each time i compile my java classes, copy them to
/WEB-INF/classes dir. and then redeploy my web application consisting of jsp
pages, I saw the number of java process increases when I do a 'ps -aux' 

That is if before compilation of my java classes there were 30 java
processes, then after compilation I saw 30 new java processes when I did a
'ps -aux' The problem is that tomcat does not kill the previous java
processes that were associated with my old java classes. Subsequently if I
do 5 compilation, I'll get (5 x 40) java processes and finally I got an
'OutOfMemoryError'.

Can anyone please tell me what's the cause of the above problem and how to
resolve it. thanks in advance


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