On 8/30/2020 5:20 PM, Glenn Holmer wrote:
On 8/30/20 10:28 AM, Glenn Holmer wrote:
After casting my vote for 12.1 vc1, I encountered 4696 again (on vc1). I added another thread dump:

https://issues.apache.org/jira/browse/NETBEANS-4696


Turns out both threads involved in the deadlock were bad actors. Thanks to some experts, you can see a complete analysis in the issue. And also http://wiki.apidesign.org/wiki/Deadlock.

There are two pull requests; one for each side of the deadlock.

   https://github.com/apache/netbeans/pull/2340
   https://github.com/apache/netbeans/pull/2341

Suggest these get into the tree as early as possible. The first should be quite safe. The second may have side effects.

-ernie



This is starting to worry me. I just saw the same thing when upgrading one of my laptops to 12.1-vc1. This is on first start. The only thing I did that might have been naughty was to rename the beta4 user and cache dirs to 12.1.

I was able to close NetBeans normally. Took another thread dump first and put it to JIRA.



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