[infinispan-issues] [JBoss JIRA] (ISPN-2549) Invalidation mode caches with pessimistic transactions may result in stale remote locks

[Adrian Nistor (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736866#comment-12736866 ] 

Adrian Nistor commented on ISPN-2549:
-------------------------------------

It seems the UT also fails in 5.1.6.FINAL, but for a different reason (the first PUT from TX fails with TimeoutException).
                
> Invalidation mode caches with pessimistic transactions may result in stale remote locks
> ---------------------------------------------------------------------------------------
>
>                 Key: ISPN-2549
>                 URL: https://issues.jboss.org/browse/ISPN-2549
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Locking and Concurrency
>            Reporter: Adrian Nistor
>            Assignee: Adrian Nistor
>         Attachments: InvalidationModePessimisticLockingIssueTest.java
>
>
> An invalidation mode cluster with two nodes A and B. Node A is coordinator.
> Putting a key on node B results in a remote lock being acquired on A. But the lock on A is not released when the TX commits. Subsequent attempts to lock the key on A will fail with TimeoutException.
> The key aspects to reproduce this are: 
> 1. pessimistic locking
> 2. the transaction starts on a node different than the coordinator
> This scenario does not involve any state transfer, so it should not be related to the already known issues with stale locks caused by state-transfer.

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