"Missing versionable path property" warning during version purging

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Issue

During version purging we see warnings like the one below in the logs.

02.05.2017 16:52:53.579 *WARN* [sling-threadpool-713f76d9-68c5-4038-844f-eee72060cf5c-(apache-sling-job-thread-pool)-83-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/5f/d1/98/5fd198fd-6dfc-4802-b496-fbe3569525be

Cause

This is a known issue and caused by repository migration. Applies to AEM 6.x, please also review - OAK-5193.

Resolution

To fix the issue, follow these steps:

  1. Upload the attached OAK-5193-fix-*.groovy script to the AEM server

  2. Download the oak-run version matching the version of oak-core bundle you have in the /system/console/bundles UI

  3. Stop AEM

  4. Run this command as the user that owns the AEM java process 

    java -Xmx2048m -jar oak-run-1.4.*.jar console crx-quickstart/repository/segmentstore ":load OAK-5193-fix.groovy" >> /tmp/script.log 2>&1 &'
    Note:

    On Oak 1.6 and later versions you must add the read-write parameter when running this command: 

    java -Xmx2048m -jar oak-run-1.4.*.jar --read-write console crx-quickstart/repository/segmentstore ":load OAK-5193-fix.groovy" >> /tmp/script.log 2>&1 &'

  5. Once the script is completed then review the generated file /tmp/script.log

  6. Start AEM

  7. Run version purging and the errors should be gone

 

 

The another way to execute OAK-5193-fix-v4.groovy through Apache Felix Web Console Script Console:

20.11.2018 19:04:50.707 *ERROR* [sling-threadpool-d7508be6-0e5f-4c9c-9a9e-83eeb146d593-(apache-sling-job-thread-pool)-3-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=2018/11/20/17/28/89c27034-65df-4b30-ad99-0bb80abf59fb_1, properties=slingevent:application=89c27034-65df-4b30-ad99-0bb80abf59fb,jcr:created=java.util.GregorianCalendar(Tue Nov 20 17:28:14 UTC 2018),slingevent:created=java.util.GregorianCalendar(Tue Nov 20 17:28:14 UTC 2018),event.job.queuename=Maintenance Queue,event.job.queued.time=java.util.GregorianCalendar(Tue Nov 20 17:28:14 UTC 2018),jcr:createdBy=admin,sling:resourceType=slingevent:Job,event.job.application=89c27034-65df-4b30-ad99-0bb80abf59fb,event.job.retries=1,event.job.started.time=java.util.GregorianCalendar(Tue Nov 20 17:28:14 UTC 2018),jcr:primaryType=slingevent:Job,event.job.retrycount=0]
java.lang.NullPointerException: null
at org.apache.jackrabbit.oak.plugins.version.ReadWriteVersionManager.removeVersion(ReadWriteVersionManager.java:205)
at org.apache.jackrabbit.oak.plugins.version.VersionStorageEditor.childNodeDeleted(VersionStorageEditor.java:107)
at org.apache.jackrabbit.oak.spi.commit.CompositeEditor.childNodeDeleted(CompositeEditor.java:135)

  1. Download the Apache Felix Web Console Script Console Plugin [1]

  2. Download the Groovy bundle [2]

  3. Manually install the Apache Felix Web Console Script Console

  4. Manually install the Groovy bundle in the same manner

  5. Confirm that both the bundles have started

  6. Whitelist org.apache.felix.webconsole.plugins.scriptconsole for login admin

  7. Navigate to the script console - /system/console/sc

  8. Select Groovy from the drop down

  9. Paste the contents of OAK-5193-fix-v4.groovy into the console and select Execute

[1] http://www-eu.apache.org/dist//felix/org.apache.felix.webconsole.plugins.scriptconsole-1.0.2.jar
[2] http://repo1.maven.org/maven2/org/codehaus/groovy/groovy-all/2.1.6/groovy-all-2.1.6.jar

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