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  1. Core Server
  2. SERVER-35656

Ensure a 4.0 mongos crashes upon attempting to connect to an FCV 4.2 cluster

    • Type: Icon: Task Task
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 4.1.1
    • Affects Version/s: None
    • Component/s: Sharding, Upgrade/Downgrade
    • None
    • Fully Compatible
    • Sharding 2018-07-16

      As part of SERVER-32635, a last-stable binary version mongos will crash upon attempting to connect to a latest featureCompatibilityVersion cluster. However, since this behavior was added for 4.0 mongos and FCV 4.2 was not present at the time, some special testing behavior was necessary to simulate a 4.0 mongos crashing. As part of the 4.2 upgrade/downgrade work, the crash_mongos_against_upgraded_cluster.js test should be updated to no longer rely on these failpoints and just directly use a 4.0 mongos and FCV 4.2 cluster. The failpoints/wireVersion added as part of SERVER-32635 solely for simulation of the crash should also be removed.

            Assignee:
            blake.oler@mongodb.com Blake Oler
            Reporter:
            maria.vankeulen@mongodb.com Maria van Keulen
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              Created:
              Updated:
              Resolved: