> I am still working on getting the root of the permgen issue. I have no hammer 
> to tell visualvm to get a list of "interned" strings. How to "identify" an 
> interned string? Having fun with OQL (Object Query Language)...

Can you make that dump available? I'll check with yourkit. They have
licenses for open source developers too and it's a great piece of
software.

> Dawid's note about Java 7 no longer puts interned strings into permgen seems 
> "hardened" by the fact that only Java 6 builds have the permgen issue.

Yeah, this is a known gotcha. In Java8 they've removed the permgen
entirely (or are planning to; I didn't track progress of it recently)
so it'll get simpler.

Dawid

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