[infinispan-issues] [JBoss JIRA] (ISPN-7889) BaseDistributionInterceptor.remoteGet may cause concurrency issues

[Dan Berindei (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-7889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Berindei reassigned ISPN-7889:
----------------------------------

    Assignee: Dan Berindei


> BaseDistributionInterceptor.remoteGet may cause concurrency issues
> ------------------------------------------------------------------
>
>                 Key: ISPN-7889
>                 URL: https://issues.jboss.org/browse/ISPN-7889
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 9.1.0.Alpha1
>            Reporter: Radim Vansa
>            Assignee: Dan Berindei
>
> {{BaseDistributionInterceptor.remoteGet}} or any call that accesses the context in an async future handler that is called multiple times in parallel may lead to concurrent modifications of the context.
> These calls are usually handled using {{CompletableFuture.allOf()}} or using a CF with counter, but if one of the calls results in exceptional completion of the composed future, the processing continues (e.g. with a retry). The other parallel operation handlers are not stopped, though.
> {{BaseDistributionInterceptor.remoteGet}} shouldn't be called in parallel because it does not even synchronize regular successful invocations.
> A problem like this caused failures in {{GetAllCommandStressTest}}, and the issue was addressed for {{GetAllCommand}} in ISPN-7884.



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