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I am not sure who is responsible if nodes or java.
I observed it with fresh today sources.
Created attachment 5447 [details] Thread dump
added THREAD keyword
it looks like java module
No comment *** This issue has been marked as a duplicate of 22584 ***
Resolved for 3.4.x or earlier, no new info since then -> verified
Resolved for 3.4.x or earlier, no new info since then -> closing.