[ 
https://forge.continuent.org/jira/browse/SEQUOIA-1114?page=comments#action_15046
 ] 

Stephane Giron commented on SEQUOIA-1114:
-----------------------------------------

Null task was possible when SEQUOIA-1115 was triggered by getNextEntryToExecute 
(which was throwing an exception, Throwable).

The BWT was then displaying the error :

logger.fatal(Translate.get(
            "backendworkerthread.task.unexpected.throwable",
            currentlyProcessingEntry == null
                ? "null task"
                : currentlyProcessingEntry.toString()), re);

-> Unexpected error while executing task: null task

The task was then notified of the failure, even if it was null => NPE and the 
backend worker thread died.

> A BackendWorkerThread can die if there is a problem while getting a new task 
> from the total order queue
> -------------------------------------------------------------------------------------------------------
>
>          Key: SEQUOIA-1114
>          URL: https://forge.continuent.org/jira/browse/SEQUOIA-1114
>      Project: Sequoia
>         Type: Bug

>   Components: Core
>     Versions: sequoia 2.10.10
>     Reporter: Stephane Giron
>     Assignee: Gilles Rayrat
>     Priority: Critical
>      Fix For: sequoia 2.10.11

>
>
> After getting the following error message into the logs :
> 2008-07-18 10:04:25,790 FATAL backend.DatabaseBackend.c1b1 Unexpected error 
> while executing task: null task
> the BackendWorkerThread will die because of a NullPointerException. 

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