Hi, Cameron.
Sorry this problem cropped up with the tool.
The NPE is happening on a line that tries to refer to the "name" private instance variable in the ZipFile class. That field should have a value, but obviously it does not.
I've uploaded a revision to the tool here
http://blogs.sun.com/quinn/resource/ZipFileMonitor.jar
The change simply checks that name is non-null before trying to dereference it.
I hope that helps, although there could be more issues since I would not have expected this one in the first place. Please let us know how it goes.
- Tim
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