The following thread dump (from one stuck slave) shows a deadlock between

      pool-635-thread-1 and pool-635-thread-2

      Looks like it is due to commons-logging used by maven wagon.

          [JENKINS-15846] Deadlock during Maven builds Parsing POM step

            olamy Olivier Lamy
            vlatombe Vincent Latombe
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              Created:
              Updated:
              Resolved: