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http://jira.magnolia-cms.com/browse/MGNLSCH-23?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ondřej Chytil updated MGNLSCH-23:
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Summary: Support cluster ID in configuration of scheduled job (was:
RSS Aggregator causes InvalidItemStateException on public instance when used in
clustered mode (multiple instances sharing a single DB))
Fix Version/s: 1.4.3
> Support cluster ID in configuration of scheduled job
> ----------------------------------------------------
>
> Key: MGNLSCH-23
> URL: http://jira.magnolia-cms.com/browse/MGNLSCH-23
> Project: Magnolia Scheduler Module
> Issue Type: Improvement
> Environment: Linux Ubuntu, Java 1.6
> Reporter: Rory Gibson
> Priority: Major
> Fix For: 1.4.3
>
>
> We have our public instance setup to use a shared repository and have a
> customer requirement to have RSS Aggregator run and import updates every few
> mins. When we run the public instances with clustering (on same db), we run
> into an issue where each of the instances is throwing a
> javax.jcr.InvalidItemStateException:
> {noformat}
> info.magnolia.module.data.importer.ImportException: Error while importing
> with handler [rssaggregator]:can't create parent
> [/rssaggregator]:202013d7-cf55-41ec-8cab-5a8e1c923d67/{}importState: the item
> cannot be removed because it has been modified externally.
> at
> info.magnolia.module.data.importer.ImportHandler.execute(ImportHandler.java:464)
> at
> info.magnolia.module.data.commands.ImportCommand.execute(ImportCommand.java:82)
> at
> info.magnolia.commands.MgnlCommand.executePooledOrSynchronized(MgnlCommand.java:170)
> at info.magnolia.commands.MgnlCommand.execute(MgnlCommand.java:157)
> at info.magnolia.module.scheduler.CommandJob.execute(CommandJob.java:84)
> at org.quartz.core.JobRunShell.run(JobRunShell.java:216)
> at
> org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:549)
> Caused by: info.magnolia.module.data.importer.ImportException: can't create
> parent [/rssaggregator]:202013d7-cf55-41ec-8cab-5a8e1c923d67/{}importState:
> the item cannot be removed because it has been modified externally.
> at
> info.magnolia.module.data.importer.ImportHandler.getParent(ImportHandler.java:295)
> at
> info.magnolia.module.data.importer.ImportHandler.lock(ImportHandler.java:271)
> at
> info.magnolia.module.data.importer.ImportHandler.executeImport(ImportHandler.java:194)
> at
> info.magnolia.module.data.importer.ImportHandler.execute(ImportHandler.java:461)
> ... 6 more
> Caused by: javax.jcr.InvalidItemStateException:
> 202013d7-cf55-41ec-8cab-5a8e1c923d67/{}importState: the item cannot be
> removed because it has been modified externally.
> at
> org.apache.jackrabbit.core.ItemImpl.getRemovedStates(ItemImpl.java:330)
> at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:966)
> at info.magnolia.cms.core.DefaultContent.save(DefaultContent.java:532)
> at
> info.magnolia.module.data.importer.ImportHandler.getParent(ImportHandler.java:290)
> ... 9 more
> ERROR info.magnolia.module.data.commands.ImportCommand 18.12.2011 07:20:01
> -- exception during importing
> {noformat}
> This is causing the RSS Feeds to not display at all on public instances.
> Note that running a clustered environment is essential to achieve the
> required level of scalability so only running aggregator on one of them is
> not acceptable.
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