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From Sheng Huang <SHu...@tlg.ca>
Subject Re:Re:[DBCP] How could I find out the application methods that ho ld the active connections?
Date Mon, 12 Apr 2004 17:50:47 GMT
Hi Dirk,

Thank you very much for your reply. Now I understand the connections closed
in my configuration are active connections instead of inactive connections.
Although I see a lot of "DBCP object created was never
closed" followed by "Already closed" as I said in my first email, all
connections will become active after the application is used for some time
and then the application stalls (wait unlimited for available connections).

There may be some defects in my code, thus the stacktrace for DBCP object
creation will be very helpful to me. Since I just installed Tomcat 4.1.18
with the default configuration (standalone Tomcat instead of Tomcat and
Apache), I can't see the stderr messages logged somewhere and don't know how
to set it up. Could you give me some information on how to setup stderr
logging or redirect them to the standard catalina.out? Thank you very much.

Best regards,
Sheng
  


When you get a "DBCP object created..." message then there should also be a
stacktrace be written. With version 1.1 the message goes to stdout and the
stacktrace to stderr. In the nightly builds they go both go to stderr.

The stacktrace displays the location where is abandoned connection was
borrowed.


The removeAbandoned parameter is for removing the active connections.
Idle connections are removed with "minEvictableIdleTimeMillis".

-- Dirk

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