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santhoshm687661
Level 3
Jul 16, 2021 3:03 PM UTC
Solved

Publisher getting down frequently in production.

We have upgraded AEM to 6.5.7.

After upgrade we haev noticed that publisher is getting down and once we restart the instance then issue getting resolved.

When am checking the logs i am not able to find anything.

 

When am going through the thread dumps i have seen below :

 

It holds the lock and this makes the threads count increase and this might have made the application unresponsive. 

stackTrace:
java.lang.Thread.State: RUNNABLE
at java.base@11.0.8/java.lang.ref.Reference.waitForReferencePendingList(Native Method)
at java.base@11.0.8/java.lang.ref.Reference.processPendingReferences(Reference.java:241)
at java.base@11.0.8/java.lang.ref.Reference$ReferenceHandler.run(Reference.java:213)

 

Could you please let me know if any one has any comments for this issue getting resolved.

 

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Asutosh_Jena_
Asutosh_Jena_Accepted solution
New Participant
Jul 16, 2021 5:21 PM UTC

Hi @santhoshm687661 

 

This is a known issue in AEM 6.5.7

Deadlock in the SCR Component Registry when many threads are blocked due to org.apache.felix.scr.impl.ComponentRegistry timer. As a result, Experience Manager stops responding for an indefinite time (GRANITE-33125,FELIX-6252).

 

You need to upgrade it to either 6.5.8.0 or there is a hotfix available which needs to be installed to make it work.

Let me know if you need the hotfix.

 

Thanks!

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5 replies

santhoshm687661Author
Level 3
Jul 16, 2021 5:24 PM UTC

@asutosh_jena_ Thanks for your response.

 

Please share me the hotfix package.

 

Thanks,

Translate
    Asutosh_Jena_
    Asutosh_Jena_
    New Participant
    Jul 16, 2021 5:28 PM UTC

    Hi @santhoshm687661 

     

    Here is the link from my drive:

    https://drive.google.com/file/d/1h1DXzNQWBCP4DcpQFvlusuYt9yWw6Dyw/view?usp=sharing

     

    Thanks!

    Translate
    Asutosh_Jena_
    Asutosh_Jena_Accepted solution
    New Participant
    Jul 16, 2021 5:21 PM UTC

    Hi @santhoshm687661 

     

    This is a known issue in AEM 6.5.7

    Deadlock in the SCR Component Registry when many threads are blocked due to org.apache.felix.scr.impl.ComponentRegistry timer. As a result, Experience Manager stops responding for an indefinite time (GRANITE-33125,FELIX-6252).

     

    You need to upgrade it to either 6.5.8.0 or there is a hotfix available which needs to be installed to make it work.

    Let me know if you need the hotfix.

     

    Thanks!

    Translate
      santhoshm687661Author
      Level 3
      Jul 16, 2021 3:37 PM UTC

      Its happening in all the publishers.

       

      But we have 4 publishers in production.We are facing the issue one at a time.

       

      Thanks,

      Translate
        Shubham_borole
        Shubham_borole
        New Participant
        Jul 16, 2021 3:32 PM UTC
        Is this happening in all publishers or just a publisher instance?
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