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Posted to commits@stanbol.apache.org by "Rupert Westenthaler (JIRA)" <ji...@apache.org> on 2012/06/04 09:02:22 UTC
[jira] [Created] (STANBOL-651) EventJobManager does not finish if
an Engine fails that is not the last Engine in the EnhancementChain
Rupert Westenthaler created STANBOL-651:
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Summary: EventJobManager does not finish if an Engine fails that is not the last Engine in the EnhancementChain
Key: STANBOL-651
URL: https://issues.apache.org/jira/browse/STANBOL-651
Project: Stanbol
Issue Type: Bug
Components: Enhancer
Affects Versions: 0.9.0-incubating
Reporter: Rupert Westenthaler
Assignee: Rupert Westenthaler
Fix For: enhancer-0.10.0-incubating
The EventJobManager does not complete an EnhancementJob if the following Situation occurs
* An EnhancementEngine fails
* The failed engine is not the last on in the EnhancementChain
* No other engines are executed in parallel
The reason for that is the the EnhancementJobHander (asyc execution using osgi.service.event framework) needs to notify the EventJobManagerImpl if an EnhancementJob completes. However in the above situation this does not occur and because of the the EventJobManagerImpl waits "forever" for the completion of the job - similar to a deadlock.
To solve this the EnhancementJob#isFinished() needs to be adopted to correctly report an Job as "finished" if EnhancementJob#isFailed() == true and not other engines are executed in parallel.
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[jira] [Resolved] (STANBOL-651) EventJobManager does not finish if
an Engine fails that is not the last Engine in the EnhancementChain
Posted by "Rupert Westenthaler (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/STANBOL-651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rupert Westenthaler resolved STANBOL-651.
-----------------------------------------
Resolution: Fixed
fixed with revision 1345845
> EventJobManager does not finish if an Engine fails that is not the last Engine in the EnhancementChain
> ------------------------------------------------------------------------------------------------------
>
> Key: STANBOL-651
> URL: https://issues.apache.org/jira/browse/STANBOL-651
> Project: Stanbol
> Issue Type: Bug
> Components: Enhancer
> Affects Versions: 0.9.0-incubating
> Reporter: Rupert Westenthaler
> Assignee: Rupert Westenthaler
> Fix For: enhancer-0.10.0-incubating
>
>
> The EventJobManager does not complete an EnhancementJob if the following Situation occurs
> * An EnhancementEngine fails
> * The failed engine is not the last on in the EnhancementChain
> * No other engines are executed in parallel
> The reason for that is the the EnhancementJobHander (asyc execution using osgi.service.event framework) needs to notify the EventJobManagerImpl if an EnhancementJob completes. However in the above situation this does not occur and because of the the EventJobManagerImpl waits "forever" for the completion of the job - similar to a deadlock.
> To solve this the EnhancementJob#isFinished() needs to be adopted to correctly report an Job as "finished" if EnhancementJob#isFailed() == true and not other engines are executed in parallel.
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