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  1. Jenkins
  2. JENKINS-8929

Deadlock when upstream and downstream jobs are blocked on each other


    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Major Major
    • core
    • None

      Job A (deploy to functional test) is upstream of job B (run functional tests).

      We need job A to block while its downstream job builds - otherwise a deployment while the functional tests are running will fail job B.

      We need job B to block while its upstream job builds - otherwise trying to run the tests while the deployment is running will fail.

      Unfortunately, if you configure A to block on downstream builds and B to block on upstream builds and A and B are scheduled at the same time they both block each other and are queued indefinitely, requiring manual intervention to clear the deadlock.

      In this situation job A should build and B should remain blocked until A completes.

            mahoney Robert Elliot
            mahoney Robert Elliot
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