[infinispan-issues] [JBoss JIRA] (ISPN-4131) Lock acquired forever with delayed PrepareCommand
Radim Vansa (JIRA)
issues at jboss.org
Tue Mar 18 09:54:10 EDT 2014
[ https://issues.jboss.org/browse/ISPN-4131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Radim Vansa updated ISPN-4131:
------------------------------
Priority: Critical (was: Major)
> 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
> Priority: Critical
>
> 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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