Andreas,
PermGen space is the area that the Java virtual machine uses to store
class file definitions and things like interned Strings.
If you are using commons-logging in say tomcat then there can be cases
where classes in your web application are referenced by classes in the
servlet container itself. If this happens if you redeploy your
application many times then the old versions of the classes from your
web app can't be garbage collected (PermGen space items can be garbage
collected) so eventually the PermGen space fills up.
Paul
Andreas Schmitz wrote:
Michaël Michaud wrote:
Hi,
first of all, thanks for the effort of making OpenJUMP faster!
==> permgen memory cannot be cleaned (no way to free the permgen space if the
layer is deleted)
Do you know of a good reference of how the different memory types work/what
they're used for? We're sometimes also struggling with PermGen space errors, and
don't really have a clue what they're about (just increasing the space usually
works well enough)...
Best regards, Andreas
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