How to resolve OutOfMemoryError with ImageIO plugins as the cause?

Question

At work we have some tomcat servers running several webapps, about half of which have to do some image processing.

Before doing their image processing, these webapp

Answer 1

Looks like a ugly memory leak to me, i can't guess where it is without looking the whole code, but i know what you should check very carefully.

Possible causes:

_Global Variable List, adding elements, never remove them.

_Infinite/big loops, loading lots of elements to Lists, never remove them.

Also it would help if you use a Java profiler, such as VisualVM

If you provide more information in order to have a better idea of how it works I i may be able to improve my answer, there's nothing i can do without more information =)

Hope it helps!