Version purge fails with errors similar to the ones below:
27.04.2017 17:57:33.121 *WARN* [sling-threadpool-54ff6798-1ec5-4052-a69c-cb885809ffcb-(apache-sling-job-thread-pool)-10513-Maintenance Queue(com/adobe/granite/maintenance/job/VersionPurgeTask)] org.apache.jackrabbit.oak.plugins.version.ReadOnlyVersionManager Missing versionable path property for crx.default at /jcr:system/jcr:versionStorage/b7/c8/eb/b7c8eb37-a4ab-4ff1-9b09-8c87dd131c49
27.04.2017 17:57:47.573 *ERROR* [sling-threadpool-54ff6798-1ec5-4052-a69c-cb885809ffcb-(apache-sling-job-thread-pool)-10513-Maintenance Queue(com/adobe/granite/maintenance/job/VersionPurgeTask)] com.day.cq.wcm.core.impl.VersionManagerImpl Unable to purge version 1.0 for /content/commercial-TEST/demo/plegridy/hcp/en_us/home/ms-events/ms-events-webinars/event-registration/event-registration/jcr:content : OakIntegrity0001: Unable to delete referenced node
at com.day.cq.wcm.core.impl.VersionPurgeTask.process(VersionPurgeTask.java:121)
27.04.2017 17:57:48.033 *ERROR* [sling-threadpool-54ff6798-1ec5-4052-a69c-cb885809ffcb-(apache-sling-job-thread-pool)-10513-Maintenance Queue(com/adobe/granite/maintenance/job/VersionPurgeTask)] org.apache.sling.event.impl.jobs.queues.JobQueueImpl.Maintenance Queue Unhandled error occured in job processor null while processing job Sling Job [topic=com/adobe/granite/maintenance/job/VersionPurgeTask, id=2017/4/27/17/57/3953890e-404b-43a9-ba2f-9200747789f2_229, properties=slingevent:application=3953890e-404b-43a9-ba2f-9200747789f2,jcr:created=java.util.GregorianCalendar(Thu Apr 27 17:57:32 EDT 2017),slingevent:created=java.util.GregorianCalendar(Thu Apr 27 17:57:32 EDT 2017),event.job.queuename=Maintenance Queue,event.job.queued.time=java.util.GregorianCalendar(Thu Apr 27 17:57:32 EDT 2017),jcr:createdBy=admin,sling:resourceType=slingevent:Job,event.job.application=3953890e-404b-43a9-ba2f-9200747789f2,event.job.retries=1,event.job.started.time=java.util.GregorianCalendar(Thu Apr 27 17:57:32 EDT 2017),jcr:primaryType=slingevent:Job,event.job.retrycount=0]
at com.day.cq.wcm.core.impl.VersionPurgeTask.process(VersionPurgeTask.java:121)
27.04.2017 17:57:48.060 *ERROR* [Thread-7] com.adobe.granite.maintenance.impl.TaskScheduler Maintenance task VersionPurgeTask failed
AEM 6.x
Version corruption is responsible for the issue. Some cases of version corruption are caused by the bug OAK-5193.
Download the latest oak-run jar file matching your installed version of Apache Oak. See the Oak version in http://aem-host:port/crx/de/index.jsp on the right side of the main page.
Upload the oak-run jar to your server.
Upload the attached groovy script to your server.
Run the following command on your server from the same directory as the AEM jar file (replace {aemuser} with the user ID of the AEM java process user).
sudo -u {aemuser} sh -c 'nohup java -Xmx2048m -jar oak-run-1.4.15.jar console crx-quickstart/repository/segmentstore ":load OAK-5193-fix.groovy" >> crx-quickstart/logs/script.log 2>&1 &'
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