Re: Derby causes PermGen leaks in Tomcat

[Kathey Marsden]

Alan Burlison wrote:

So it's clear that although the Derby server is stopped, it's still 
zombified somewhere inside the Tomcat JVM.  How do I cleanly and 
completely remove Derby from a running JVM?

Is it possible you are seeing DERBY-2905? If so please try out the patch 
for that issue which is currently posted for review.
https://issues.apache.org/jira/browse/DERBY-2905


Thanks

Kathey