RFR: 8343491: javax/management/remote/mandatory/connection/DeadLockTest.java failing with NoSuchObjectException: no such object in table

[Kevin Walls]

This test is sensitive to timing, and should not run with -Xcomp (like NotifReconnectDeadlockTest.java).

With -Xcomp, this test can fail on the the conn.getDefaultDomain() call, but if we handle that, it can also fail on the first iteration through the loop, at the call: JMXConnector client = JMXConnectorFactory.connect(addr, env);  

This test sets a short timeout value for connections, and -Xcomp slows things down greatly.  RMI is gone before the connection is established.

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Commit messages:
 - 8343491: javax/management/remote/mandatory/connection/DeadLockTest.java failing with NoSuchObjectException: no such object in table

Changes: https://git.openjdk.org/jdk/pull/21884/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21884&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343491
  Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/21884.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21884/head:pull/21884

PR: https://git.openjdk.org/jdk/pull/21884