[infinispan-issues] [JBoss JIRA] (ISPN-4131) Lock acquired forever with delayed PrepareCommand

[Radim Vansa (JIRA)]

Radim Vansa created ISPN-4131:
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             Summary: Lock acquired forever with delayed PrepareCommand
                 Key: ISPN-4131
                 URL: https://issues.jboss.org/browse/ISPN-4131
             Project: Infinispan
          Issue Type: Bug
          Components: Transactions
    Affects Versions: 7.0.0.Alpha1
            Reporter: Radim Vansa
            Assignee: Dan Berindei


Distributed transactional cache:

1. A sends Prepare to B
2. B receives Prepare, but due to ongoing ST it is blocked
3. B replication timeout elapses
4. B sends Rollback, this does not find the TX as Prepare was not executed yet. The transaction is put into completedTransactions.
5. Completed transactions timeout elapses. This is by default 15 seconds, way shorter than ST timeout (due to which the Prepare was blocked)
6. Prepare is executed on B, acquiring lock on K

Nobody will rollback the TX as originator things it was already rolled back.
Result: key K will be locked forever

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