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From "Paul Merlin (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (POLYGENE-156) Remove Scheduler library
Date Thu, 29 Dec 2016 18:24:58 GMT

     [ https://issues.apache.org/jira/browse/POLYGENE-156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul Merlin resolved POLYGENE-156.
----------------------------------
    Resolution: Fixed

> Remove Scheduler library
> ------------------------
>
>                 Key: POLYGENE-156
>                 URL: https://issues.apache.org/jira/browse/POLYGENE-156
>             Project: Polygene
>          Issue Type: Task
>            Reporter: Niclas Hedhman
>            Assignee: Niclas Hedhman
>             Fix For: 3.0
>
>
> The Scheduler library is dependent on Quartz which is capable of persisted schedules.
However, after trying several times to integrate that mechanism into Entity Stores of Zest,
it is apparent that Quartz assumes an SQL store under the hood, and effectively has leaky
abstractions.
> On top of that, the Scheduler Library are loosing schedule executions due to its wrong
way of integrating persistence with Quartz. This is a very serious bug, and we can't seem
to be able to fix it.
> We have therefor decided to drop this library entirely.
> We recommend that an external scheduler is used instead, possibly via a Rest interface.



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