On Thu, 2008-03-13 at 12:02 -0400, Christopher Schultz wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Chuck, > > Caldarale, Charles R wrote: > |> From: Scott McClanahan [mailto:[EMAIL PROTECTED] > |> Subject: Re: Database connections grow after redeploy > | > | As far as the continuing data base connections, I can only speculate > | that the prior instances of the webapp are still active, thereby > | preventing cleanup of their resources. > > I agree. Scott: are you able to run your application through a tool that > allows you to observe the heap and object graphs? Many profilers will > allow you to do this. You could look for instances of the connection > pool and see what is holding onto them. It's unusual for an application > to hold references to the pool, but not completely impossible. > > More likely is that one or more application-level objects has retained a > reference to a specific Connection object, which, of course, retains > references back to the connection pool that created it. I would check > any ServletContextListener classes you have, and then a generic search > for putting things into the ServletContext, since that is one of the > only places that applications typically store long-lived objects. > > - -chris > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.8 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iEYEARECAAYFAkfZUDAACgkQ9CaO5/Lv0PBwCwCfbz4bORVnNboqnMWZu6GQClbA > CNAAn2BIaoZChNHbsks7/tLdK75S2A3X > =4Ssq > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To start a new topic, e-mail: users@tomcat.apache.org > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
Do you have any suggestions for a profiling tool like you described? Preferably open source. Thanks. --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
