I work for a company that provides an application that is shipped pre-configured with Tomcat as a server. Until this customer, we had no issues with Tomcat.
At this particular installation, each time I shut down Tomcat, I get a message that is waiting for x instance(s) to be deallocated - can get to hundreds. I have also been notified that the application didn't respond twice and had to be restarted.
Since it is a standard configuration that didn't cause any problems so far, I don't think it has anything to do with the application code.
This instance is deployed on an Intel platform -2 hyperthreaded Xeon CUPs, gigabit ethernet, Windows 2000 server, 2 disk RAID, MS SQL 2000 database, JSQLConnect JDBC driver, latest JDK (1.4.2_2), Tomcat 4.1.27.
I tried to change JDK versions (various 1.4.1 and 1.4.2), JDBC driver vendor, and Tomcat 4.1.24 - with no success. I also tried to use the legacy HTTP1.1 connector - same behavior. A thread dump shows various threads as locked (don't have it with me now) - but I understood that it doesn't necessarily implies a deadlock.


Any ideas?

Yonatan



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