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From "Wiedmann, Jochen" <jochen.wiedm...@softwareag.com>
Subject TC3.2: TCPPoolConnector leaks in thread pool (bug #3033)
Date Wed, 08 Aug 2001 00:01:06 GMT

Hi,

I have just posted bug #3033 to nagoya, about a bug in the
TCPPoolConnector. When running TomCat in standalone mode,
after some time I notice the message

  ThreadPool: Pool exhausted with 100 threads.

over and over again in the error log file. In practice
this causes TomCat to be out of order.

The problem can be demonstrated with the attached simple
servlet. The servlet has a main() method, so that it can
call itself from the command line. It spawns 10 threads,
which keep calling the servlet in a never ending loop.
Exceptions in both client and server are forced. After
some minutes you will notice the "Pool exhausted" message
in a default TomCat configuration, although the number
of clients is 10 and the number of threads is 100.

Any suggestions welcome,


Jochen


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