> java version "1.4.2_08"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_08-b03)
> Java HotSpot(TM) Client VM (build 1.4.2_08-b03, mixed mode)

Ok, I will check which one was picked by WLS in my case.

> It's pretty weird that you cannot reproduce it. I checked for some
> subtle difference somewhere and I think I found the cause of the problem:
>
> Under Connection Pool > Connections > Show Advanced Options there is
> an option called "Remove Infected Connections Enabled" that I checked
> by mistake. When unchecked, everything works fine again.

Ok, I did not touch advanced options.

> Not sure why such an option exists. It seems to force physical
> connection to close when the pooled connection is closed.

Ok, I will check this option. Having an NPE in our code is not good thing
anyway.

Roman