[infinispan-issues] [JBoss JIRA] (ISPN-10915) CompletionStages.continueOnExecutor() does not complete the future on rejection

[Dan Berindei (Jira)]

Dan Berindei created ISPN-10915:
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             Summary: CompletionStages.continueOnExecutor() does not complete the future on rejection
                 Key: ISPN-10915
                 URL: https://issues.jboss.org/browse/ISPN-10915
             Project: Infinispan
          Issue Type: Bug
          Components: Core
    Affects Versions: 10.0.1.Final, 9.4.16.Final
            Reporter: Dan Berindei
            Assignee: Will Burns
             Fix For: 10.1.0.Beta1


{{CompletionStages.continueOnExecutor()}} returns a {{CompletableFuture}} that is supposed to complete after the supplied action has run on the supplied executor. If the executor rejects the action, e.g. because it was stopped, the {{CompletableFuture}} never completes.

E.g. {{JGroupsTransport.receiveClusterView()}} indirectly uses {{CompletionStages.continueOnExecutor()}}, and it blocks view handling forever if a view is received after the async operations executor has been shut down. In turn this blocks all further view processing and the cache manager shutdown.



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