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This morning while using NB to peruse some diffs in various projects the ide hung, burning 100% of the cpu. The last project that I tried to generate diffs for was utils.nb, which shows up at the end of the log. messages.log and a stack trace from jstack attached.
Created attachment 105378 [details] stack of hung java
A 500MB heapdump.hprof was generated too, but not sure if this was side effect of jstack or something else. Not attached.
Created attachment 105379 [details] messages.log for above comment.
After restarting ide, running the same diff on project utils.nb again did not hang.
Reassign to evaluation
Bug #194816 has most likely the same root cause. *** This bug has been marked as a duplicate of bug 194816 ***