NullPointerExeption in Integration Builder since SP12

Hy,
since we have patched our XI to SP12, I got NullPointerExceptions while working with the Integration Builder (Repository and Directory). This exceptions are thrown when I try to save or activate an object. It works about 4 or 5 times and than the error appears. The error appears in every object (Interfaces, Mappings, Receiver Determinations, etc.)
When we restart the J2EE Engine, the XI works properly until the next NullPointer appears. Once this error occurs, I am no longer able to save or activate anything.
What can I do to fix that problem?
Thank for your help
Thomas

Hi Thomas
If NullPointerExceptions are occuring sporadically in your case, i guess the problem should be with not enough memory. Try increasing the memory allocation and this should hopefully resolve the problem.
Another cause could be deletion of work directory in the SDM (i am not sure whether this is useful in your case). But just check the OSS note - 677977. Maybe this could also resolve your problem.
cheers
Sameer

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