RFR: 207: Retry failed mlbridge comment post operations

[Robin Westberg]

Hi all,

Please review this change that ensures that failed mlbridge comment post operations are retried. It also ensures that unique post operations can run concurrently (and thus will not be dropped in case the scheduler is saturated).

Best regards,
Robin

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Commits:
 - 19507521: Ensure that exceptions during comment posting causes a retry

Changes: https://git.openjdk.java.net/skara/pull/336/files
 Webrev: https://webrevs.openjdk.java.net/skara/336/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-207
  Stats: 23 lines in 2 files changed: 20 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/skara/pull/336.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/336/head:pull/336

PR: https://git.openjdk.java.net/skara/pull/336