[GEODE-2458] RegionManagementDUnitTest fails with AssertionError in verifyMemberNotifications

• Type: Bug
• Status: Reopened
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.0
• Component/s: management, tests
• Labels: flaky
• Assignee: Kirk Lund
• Reporter: Kirk Lund
• Created: 09/Feb/17 22:53
• Updated: 01/Mar/21 18:34
• Resolved: 10/Feb/17 20:01

Description

This appears to be a race condition. The assertion finds 5 members when 6 is expected and then lists the members as part of the assertion message which then shows 6 members.

org.apache.geode.management.RegionManagementDUnitTest > testFixedPRRegionMBean FAILED
    org.apache.geode.test.dunit.RMIException: While invoking org.apache.geode.test.dunit.NamedRunnable.run in VM 0 running on Host 242824700ff7 with 4 VMs
        at org.apache.geode.test.dunit.VM.invoke(VM.java:377)
        at org.apache.geode.test.dunit.VM.invoke(VM.java:347)
        at org.apache.geode.test.dunit.VM.invoke(VM.java:280)
        at org.apache.geode.management.RegionManagementDUnitTest.verifyMemberNotifications(RegionManagementDUnitTest.java:580)
        at org.apache.geode.management.RegionManagementDUnitTest.testFixedPRRegionMBean(RegionManagementDUnitTest.java:227)

        Caused by:
        java.lang.AssertionError: 
        Expected size:<6> but was:<5> in:
        <[javax.management.Notification[source=172.17.0.4(161)<v37>-32770][type=gemfire.distributedsystem.cache.region.created][message=Region Created With Name /MANAGEMENT_FIXED_PR],
            javax.management.Notification[source=172.17.0.4(166)<v38>-32771][type=gemfire.distributedsystem.cache.region.created][message=Region Created With Name /MANAGEMENT_FIXED_PR],
            javax.management.Notification[source=172.17.0.4(171)<v39>-32772][type=gemfire.distributedsystem.cache.region.created][message=Region Created With Name /MANAGEMENT_FIXED_PR],
            javax.management.Notification[source=172.17.0.4(161)<v37>-32770][type=gemfire.distributedsystem.cache.region.closed][message=Region Destroyed/Closed With Name /MANAGEMENT_FIXED_PR],
            javax.management.Notification[source=172.17.0.4(166)<v38>-32771][type=gemfire.distributedsystem.cache.region.closed][message=Region Destroyed/Closed With Name /MANAGEMENT_FIXED_PR],
            javax.management.Notification[source=172.17.0.4(171)<v39>-32772][type=gemfire.distributedsystem.cache.region.closed][message=Region Destroyed/Closed With Name /MANAGEMENT_FIXED_PR]]>
            at org.apache.geode.management.RegionManagementDUnitTest.lambda$verifyMemberNotifications$3d0515b3$1(RegionManagementDUnitTest.java:582)

Each of these tests call verifyMemberNotifications and may fail with this timing failure:

• testDistributedRegion
• testFixedPRRegionMBean
• testPartitionedRegion

Issue Links

• relates to: GEODE-8984 CI Failure: RegionManagementDUnitTest.testDistributedRegion