Thanks, that's a good idea. We'll try implementing SingleThreadModel to
see if that has a positive effect. BenG.
Haseltine, Celeste wrote:
>The swapRunnable and run methods clearly point to Thread execution in JRUN.
>My guess is that you have a thread conflict, or possible a "race" condition
>between two execution threads, which is causing your product to "lock-up"
>while waiting for one of the threads to complete execution. Without seeing
>your code I am making a total guess, but is your servlet code designed to be
>multi-threaded, or did you design it to be single threading only? If it is
>designed to be multi-threaded, did you synchronize the methods in your
>servelet class that require synchronization. Also, if your servlet is
>accessing your db, are you using a driver that can implement connection
>pooling (i.e. pull a connection thread out of the connection pool), and if
>so, did you select the connection pooling checkbox in the JRUN JDBC console?
>Those are just a few educated guesses as to the things I would look into
>without knowing more about your servlet code.
>
>Hope this helps!!!
>
>Celeste
>
>
>
>-----Original Message-----
>From: Ben Groeneveld [mailto:[EMAIL PROTECTED]]
>Sent: Wednesday, August 08, 2001 12:08 PM
>To: JRun-Talk
>Subject: what is "Exception while swapping" ?
>
>
>In an attempt to debug what appears to be a lockup we turned debug on in
>logging. One thing we see is this:
>
>--
>08/07 16:04:43 info (JRun) f_req_drw_Servlet.doGet END
>08/07 16:05:00 debug (web) web-480 caught Exception while swapping
>[java.lang.InterruptedException]
>java.lang.InterruptedException
> at allaire.jrun.http.WebService.swapRunnable(WebService.java:118)
> at allaire.jrun.ThreadPool.swapRunnable(ThreadPool.java:223)
> at allaire.jrun.WorkerThread.run(WorkerThread.java:77)
>
>08/07 16:05:10 debug (web) Limiting InputStream read to '-2' bytes to
>maintain keepalive.
>08/07 16:05:10 info (JRun) f_req_drw_Servlet.doPost BEGIN
>--
>
>The END / BEGIN info's signify our code appears fine. Can someone clue
>me in on what this might mean? Thanks, BenG.
>
--
Ben Groeneveld
Information Concepts, Inc., 115 N.W. Oregon, Suite 30, Bend, OR 97701
Mailto:[EMAIL PROTECTED], phone:541.388.3611, cell:208.520.6488
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