[jira] [Created] (IGNITE-7472) Exchange initiated by custom disco events could hang in case of coordinator leave

[Anton Vinogradov (Jira)]

Vladimir Ozerov created IGNITE-7472:
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             Summary: Exchange initiated by custom disco events could hang in case of coordinator leave
                 Key: IGNITE-7472
                 URL: https://issues.apache.org/jira/browse/IGNITE-7472
             Project: Ignite
          Issue Type: Bug
          Components: cache
    Affects Versions: 2.4
            Reporter: Vladimir Ozerov
             Fix For: 2.5


Reproducer: {{WalModeChangeAdvancedSelfTest.testServerRestartCoordinator}}

WAL mode change operation initiates an exchange through custom discovery event. The test does the following:
1) Initiate constant flow of such events from one node
2) Constantly stops current coordinator node and start another one sever node

Debug shows the following:
1) Remaining client nodes is on exchange X, waiting for new coordinator to send affinity message
2) New coordinator is on exchange [X+1], waiting for client to send partition message



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