[infinispan-issues] [JBoss JIRA] (ISPN-3004) NPE in Total Order when tries to unblock blocked PrepareCommand twice (or more)

[Pedro Ruivo (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-3004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on ISPN-3004 started by Pedro Ruivo.

> NPE  in Total Order when tries to unblock blocked PrepareCommand twice (or more)
> --------------------------------------------------------------------------------
>
>                 Key: ISPN-3004
>                 URL: https://issues.jboss.org/browse/ISPN-3004
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 5.3.0.Alpha1
>            Reporter: Pedro Ruivo
>            Assignee: Pedro Ruivo
>             Fix For: 5.3.0.Final
>
>
> When the prepares fails, it unblocks waiting prepares immediately. However, when a rollback arrives, it tries to unblock them again, throwing a NPE. 
> fix in TotalOrderManager:
> {code}
> if (synchronizedBlock == null) {
>   //already released!
>   return;
> }
> {code}

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