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From "Nikolay Turpitko (JIRA)" <>
Subject [jira] [Updated] (CAMEL-7627) Quartz/Quartz2 in cluster mode doesn't apply changed trigger settings
Date Tue, 22 Jul 2014 16:52:41 GMT


Nikolay Turpitko updated CAMEL-7627:

    Attachment: 0001-fix-reshedule-quartz.patch

Here is a patch for quartz2 component. I assume, that similar issue exists in quartz component
as well. At least, source code looks similar. But, honestly, I have not tested it yet.

> Quartz/Quartz2 in cluster mode doesn't apply changed trigger settings
> ---------------------------------------------------------------------
>                 Key: CAMEL-7627
>                 URL:
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-quartz, camel-quartz2
>    Affects Versions: 2.13.2, 2.14.0
>            Reporter: Nikolay Turpitko
>         Attachments: 0001-fix-reshedule-quartz.patch
> When quartz/quartz2 component used in cluster mode with JDBCJobStore it stores trigger
settings (cron expression or simple trigger repeat interval and repeat count) provided in
component's URI in DB. When application next time, it uses stored values from DB and ignores
possibly changed ones from URI. It is inconvenient in production environment to alter values
in database every time we deploy new version of application with changed schedule. Especially,
when we have bunch of clustered timers in several application modules, using same DB. Desirable
behavior is to check trigger settings in DB and reschedule quartz job when they changed.
> I created a patch with unit test to illustrate this issue. Test prepares DB, than creates
application context twice with different cron expressions in configuration xml. Both times
it retrieves back the cron expression, accessing it via trigger (so, using value stored in
DB). After that it asserts that two cron expressions are not equal.

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