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Looks a lot like issue #29866 and #47383. IDE freezes when trying to open a database from the local MySQL instance. I'll upload the dump in a bit.
Loading now on http://deadlock.netbeans.org/hudson/job/upload/build. I guess it'll be build 102.
Probably duplicate of bug 221977. Thank you for reporting. *** This bug has been marked as a duplicate of bug 221977 ***