I am trying to generate a GBR for an issue that I have run into with a
Thread Deadlock, however it is incredibly difficult to reliably reproduce.
I have only been able to reproduce it once while I was running load tests
on our application, which runs over several days.

This is the output from our thread dump:


Found one Java-level deadlock:
============================="http-/192.168.220.196:8080-8192":
  waiting to lock monitor 0x00007fca797bffa8 (object
0x00000005a6894000, a org.jruby.internal.runtime.ThreadService),
  which is held by
"http-/192.168.220.196:8080-598""http-/192.168.220.196:8080-598":
  waiting to lock monitor 0x00007fca390d0600 (object
0x00000006dd8466c0, a org.jruby.RubyThread),
  which is held by "RubyThread-3685559: <Somewhere in our source code>"

"RubyThread-3685559: <Somewhere in our source code>:106":
  waiting to lock monitor 0x00007fca797bffa8 (object
0x00000005a6894000, a org.jruby.internal.runtime.ThreadService),
  which is held by "http-/192.168.220.196:8080-598"


Does anyone have any guidance on trying to open good GBRs for thread
deadlock race conditions?


Ariel Valentin
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