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kbitra1998
New Participant
September 8, 2021
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Replication Queue blocked - Failed to register namespace mapping

  • September 8, 2021
  • 3 replies
  • 4088 views

We are facing the namespace issue frequently while activating the assests from author to publisher, we are getting below error

ERROR - publish1useast1 : << error: com.day.cq.replication.ReplicationException: Repository error during node import: Failed to register namespace mapping ns1 -> http://www.gimp.org/xmp/

ERROR - publish1useast1 : << error: com.day.cq.replication.ReplicationException: Repository error during node import: Failed to register namespace mapping ns1_2_ -> http://ns.attribution.com/ads/1.0/

ERROR - publish1useast1 : << error: com.day.cq.replication.ReplicationException: Repository error during node import: Failed to register namespace mapping pdfaProperty -> http://www.aiim.org/pdfa/ns/property#

 

We are temporarily solving this issue by adding the namespaces from CRX/DE explorer and add namespace manually.

 

As we cannot predict the missing namespaces as they are differed from asset to asset as per author content, we are looking for a permanent solution how to avoid this blocker for upcoming new namespace issues.

 

We have been facing this issue after upgrading the AEM 6.5.0 to SP 5, could you please help us to resolve this issue or provide the more details to address this issue.

 

 

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Best answer by Fanindra_Surat

Hi @kbitra1998  - 

Just to debug and rule out the permissions issue, try updating replication agent with admin user and replicate the content. It should be successful. You can revert the user, after performing this test.

 

Thanks,

Fani

3 replies

Eduardosorbor
Eduardosorbor
New Participant
March 29, 2023

Hi team,

In my case, I am working with AEM as a Cloud Service, but I had the same error.

I resolved this error by removing a big asset from my custom package.

 

Also, it is important to note that when creating a content package in AEM, it is recommended to limit the size of the package to ensure that it can be downloaded and installed easily. A large package may take longer to download and may strain server resources when installed. Therefore, it is important to balance the size of the package with the amount of content included in the package.

 

Bests,

Eduardo

Fanindra_Surat
Fanindra_Surat
New Participant
September 8, 2021

Hi @kbitra1998 -

 

Please follow the instructions in https://experienceleague.adobe.com/docs/experience-manager-64/deploying/configuring/troubleshoot-rep.html?lang=en

 

You only need to make sure the user in your replication agent is present in publish instance and assign repository level permissions to the same user for jcr:namespaceManagement privilege in Publish instance.

 

Thanks,

Fani

    K
    kbitra1998Author
    New Participant
    September 8, 2021

    Hi @fanindra_surat ,

    yes, I have done all the steps according to the screenshot, Still I am facing an issue

    Error while building replication content java.lang.IllegalArgumentException: javax.jcr.NamespaceException: javax.jcr.NamespaceException: Unknown namespace prefix: ns1_2_

     

      Fanindra_Surat
      Fanindra_SuratAccepted solution
      New Participant
      September 8, 2021

      Hi @kbitra1998  - 

      Just to debug and rule out the permissions issue, try updating replication agent with admin user and replicate the content. It should be successful. You can revert the user, after performing this test.

       

      Thanks,

      Fani

        Asutosh_Jena_
        Asutosh_Jena_
        New Participant
        September 8, 2021

        Hi @kbitra1998 

         

        I have seen this type of issue mostly while replicating the PDF files. To solve this I did provide the admin privilage to the replication user which did resolve the issue as we cannot predict what will be the name space that can throw another error in future.

         

        Thanks!

          K
          kbitra1998Author
          New Participant
          September 8, 2021

          Hi @asutosh_jena_ ,

          I have updated the replicate user permissions as below image.

           

          Now I am facing a new error below

          Error while building replication content java.lang.IllegalArgumentException: javax.jcr.NamespaceException: javax.jcr.NamespaceException: Unknown namespace prefix: ns1_2_

            Asutosh_Jena_
            Asutosh_Jena_
            New Participant
            September 8, 2021

            Hi @kbitra1998 

             

            Please provide admin access to the user that used for replication. If the user name is "replication-user" then you need to add the user into administrators group and all these issue should be resolved.

             

             

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