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J
johnnyd26246076
Level 2
October 5, 2017

Content migration using Crx2oak ( AEM 6.2 to 6.3)

  • October 5, 2017
  • 3 replies
  • 12054 views

Hello,

I'm trying to migration content from a 6.2 instance to a 6.3 instance using crx2oak.

I use following cmd:

./java8 -jar crx2oak-1.6.8-all-in-one.jar --cache=2048 --copy-orphaned-versions=false --copy-versions=false \

--include-paths=/content/dam/www-mysite-be,\

/content/www-mysite-be \

segment-old:/sft/aem62/author/crx-quickstart/repository/ \

/sft/aem6.3/author/crx-quickstart/repository/

But I'm bumping into below issue. It's quit strange as our 6.2 environment is using the OOTB FileDataStore (TarMK).

We have never configured any external data store nor blob store.

I've also seen that the latest crx2oak version is dated March 2017, so before AEM 6.3 was available. Could it be that there are still some bugs in that crx2oak version for AEM 6.3?

05.10.2017 21:17:06.345 ERROR  c.a.g.c.e.MigrationEngine: The internal error occurred during migration. The migration process has been aborted and it is not complete!

java.lang.RuntimeException: javax.jcr.RepositoryException: Failed to copy content

        at com.google.common.io.Closer.rethrow(Closer.java:149)

        at org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.migrate(OakUpgrade.java:81)

        at com.adobe.granite.crx2oak.engine.MigrationEngine$2.doMigration(MigrationEngine.java:67)

        at com.adobe.granite.crx2oak.engine.MigrationEngine.process(MigrationEngine.java:92)

        at com.adobe.granite.crx2oak.pipeline.Pipeline.run(Pipeline.java:103)

        at com.adobe.granite.crx2oak.CRX2Oak.run(CRX2Oak.java:66)

        at com.adobe.granite.crx2oak.CRX2Oak.main(CRX2Oak.java:51)

Caused by: javax.jcr.RepositoryException: Failed to copy content

        at org.apache.jackrabbit.oak.upgrade.RepositorySidegrade.copy(RepositorySidegrade.java:292)

        at org.apache.jackrabbit.oak.upgrade.RepositorySidegrade.copy(RepositorySidegrade.java:248)

        at org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.sidegrade(OakUpgrade.java:92)

        at org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.migrate(OakUpgrade.java:78)

        ... 5 common frames omitted

Caused by: java.lang.IllegalStateException: Attempt to read external blob with blobId [a96161363d0d21841c29643c71154d8aa9083497#140385] without specifying BlobStore

        at org.apache.jackrabbit.oak.segment.SegmentBlob.getBlob(SegmentBlob.java:247)

        at org.apache.jackrabbit.oak.segment.SegmentBlob.getLength(SegmentBlob.java:256)

        at org.apache.jackrabbit.oak.segment.SegmentBlob.length(SegmentBlob.java:112)

        at org.apache.jackrabbit.oak.plugins.memory.AbstractBlob.equal(AbstractBlob.java:52)

        at org.apache.jackrabbit.oak.plugins.segment.SegmentBlob.equals(SegmentBlob.java:228)

        at com.google.common.base.Objects.equal(Objects.java:60)

        at org.apache.jackrabbit.oak.plugins.memory.AbstractPropertyState.equal(AbstractPropertyState.java:53)

        at org.apache.jackrabbit.oak.plugins.segment.SegmentPropertyState.equals(SegmentPropertyState.java:243)

Thanks,

Johnny

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    3 replies

    smacdonald2008
    smacdonald2008
    Level 10
    October 6, 2017

    Did you follow all steps listed here?

    Using the CRX2Oak Migration Tool

    smacdonald2008
    smacdonald2008
    Level 10
    October 6, 2017

    Internal Adobe ppl suggested:

    They have to verify that file a96161363d0d21841c29643c71154d8aa9083497 exists in datastore

    Caused by: java.lang.IllegalStateException: Attempt to read external blob with blobId [a96161363d0d21841c29643c71154d8aa9083497#140385] without specifying BlobStore

    A good idea for the customer is to run Datastore GC. If anything is missing copy from backup

      J
      johnnyd26246076Author
      Level 2
      October 9, 2017

      I already tried to perform an offline compaction first on the source repository. This one will perform a TarMK revision cleanup.

      This compaction ran fine, but the migration with crx2oak afterwards still gives the same exception.

      Johnny

      MC_Stuff
      MC_Stuff
      Level 10
      December 13, 2017

      Hi,

      Sounds SegmentNodeStoreService.(cfg|config) not picked up .

      use fileinstaller tool to fix the corruption of RegisteredResourceList.ser

      Get the tool from support.

      Thanks,

        A
        alexp17
        December 13, 2017

        MC Stuff,

        That's exactly what happened in my case. I "resolved" it by deleting org.apache.jackrabbit.oak.plugins.blob.datastore.FileDataStore from OSGI console and then it was able to pickup a new configuration.

        Now, “resolved” is under quotes because it seemed like it’s fine, I was able to see packages under packMgr etc but now, when I try to open anything on the publisher I get:

        500 Unresolved compilation problems: Only a type can be imported. com.day.cq.wcm.foundation.ELEvaluator resolves to a package ELEvaluator cannot be resolved

        Cannot serve request to /content/admission/statistics.html on this server

        This is very bizarre because I did the exactly same thing with the author and author is working just fine, did not have any issues with it.

        When it comes to the problem above, I tried recompiling JSP, removing /var/classes but no luck.

          MC_Stuff
          MC_Stuff
          Level 10
          December 14, 2017

          Symptoms indicates the current instance state have few bundle in two different store & hence all class info not available. Take a backup . Stop instance & delete launchpad . Start instance & verify.

            J
            johnny_degreef
            Level 2
            December 14, 2017

            Hi all,

            FYI, I did log a ticket on daycare and after 3 weeks I got this last note:

            Hello Johnny,

            Hope you are doing well.

            I researched more on this error and could relate to one of OAK issue that could cause such behavior hence lets give it a try to use below steps.

            1./ Referencing https://issues.apache.org/jira/browse/OAK-5255 for more flags , Can you try to run crx2oak explicitly passing the "--copy-binaries " to false? and see how it goes.

            2./ If above does not help can you specify the datastore of the source instance, and it would be better if the destination also has the datastore, an example command would be:

            java -Xmx12G -jar crx2oak-1.4.6-standalone.jar crx-quickstart/repository/ C:/Dev/CQ/Instances/AEM62/crx-quickstart/repository --src-datastore=crx-quickstart/repository/repository/datastore/ --datastore=C:/Dev/CQ/Instances/AEM62/crx-quickstart/repository/datastore/ --include-path=/content --copy-versions=false --merge-path=/content

            Just to confirm, make sure that the repositories (source 6.2 and destination 6.3) should be shut while running the crx2oak migration.

            If nothing helps share below:

            Oak core on source

            Oak core on destination

            Package your content from "/content/dam/www-mysite-be" and give to me so that I can run the migration locally.

            regards,

            This didn't result in a solution. We did already try to upgrade the target to the latest oak version (1.4.9), we did try with --copy-binaries=false, we did find the comment about --src-datasource strange as we don't have a separate datastore in 6.2, ....

            So unfortunately not very helpful.

            From above replies I can try following, if my understanding is correct:

            1) SegmentNodeStoreService.(cfg|config) not picked up --> not sure if this is on source or target and I never heard about a fileinstaller tool or RegisteredResourceList.ser.

            2) delete org.apache.jackrabbit.oak.plugins.blob.datastore.FileDataStore osgi config --> I assume on the source repository?

              BrijeshYadav
              BrijeshYadav
              Level 5
              December 14, 2017

              Hi,

              I have recently successfully performed content migration from 6.1 to 6.3.

              Just want you to try this (might be silly answer),Repository path without ending slash and target repository absolute path (i.e D:/sft/aem6.3/author/crx-quickstart/repository)

              java8 -jar crx2oak-1.6.8-all-in-one.jar --cache=2048 --copy-orphaned-versions=false --copy-versions=false --include-paths=/content/dam/www-mysite-be,/content/www-mysite-be segment-old:/sft/aem62/author/crx-quickstart/repository /sft/aem6.3/author/crx-quickstart/repository

                J
                johnny_degreef
                Level 2
                December 14, 2017

                Just tried without trailing slash on the source and both locations were already absolute. The result is the same:

                14.12.2017 15:40:24.370 ERROR  c.a.g.c.e.MigrationEngine: The internal error occurred during migration. The migration process has been aborted and it is not complete!

                java.lang.RuntimeException: javax.jcr.RepositoryException: Failed to copy content

                        at com.google.common.io.Closer.rethrow(Closer.java:149)

                        at org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.migrate(OakUpgrade.java:81)

                        at com.adobe.granite.crx2oak.engine.MigrationEngine$2.doMigration(MigrationEngine.java:67)

                        at com.adobe.granite.crx2oak.engine.MigrationEngine.process(MigrationEngine.java:92)

                        at com.adobe.granite.crx2oak.pipeline.Pipeline.run(Pipeline.java:103)

                        at com.adobe.granite.crx2oak.CRX2Oak.run(CRX2Oak.java:66)

                        at com.adobe.granite.crx2oak.CRX2Oak.main(CRX2Oak.java:51)

                Caused by: javax.jcr.RepositoryException: Failed to copy content

                        at org.apache.jackrabbit.oak.upgrade.RepositorySidegrade.copy(RepositorySidegrade.java:292)

                        at org.apache.jackrabbit.oak.upgrade.RepositorySidegrade.copy(RepositorySidegrade.java:248)

                        at org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.sidegrade(OakUpgrade.java:92)

                        at org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.migrate(OakUpgrade.java:78)

                        ... 5 common frames omitted

                Caused by: java.lang.IllegalStateException: Attempt to read external blob with blobId [5508b7b91e8a316f7da92eb43c658631ba324cb347a933e39c1e4f4432643a4a#31424] without specifying BlobStore

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