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aem_raw
Level 2
June 7, 2023
Solved

Sling Engine (Apache Sling Engine Implementation) bundle restart

Hello,

 

Could you please let me know if restarting the Sling Engine (Apache Sling Engine Implementation) bundle alone will lead to any unexpected behavior?

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Sady_Rifat
Sady_RifatAccepted solution
Community Advisor
June 8, 2023

Exactly. All the Activate methods will be reinitiated and their reference objects will be mismatched. That's why there is a chance to show some unexpected behavior.

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5 replies

Umesh_Thakur
Community Advisor
Umesh_ThakurCommunity Advisor
Community Advisor
June 7, 2023

until all dependencies are resolved, there should not be any issue. if you face any please try to see after restarting the instance.

Hope this helps

Umesh Thakur

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    Sady_Rifat
    Community Advisor
    Sady_RifatCommunity Advisor
    Community Advisor
    June 7, 2023

    hello @aem_raw ,
    It's not recommended to restart the single bundle because it might cause some unexpected behavior like Dependency Impact or other. If so you need to restart the entire application server.
    But the chance of this occurrence is rare and you may take this chance. After all by following the recommended way you definitely need to restart the server.

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      HeenaMadan
      Community Advisor
      HeenaMadanCommunity Advisor
      Community Advisor
      June 7, 2023

      If all required depencies are resolved then there wouldn't be any issue to restart single bundle. If depdencies are not resolved then it might impact. 

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        aem_rawAuthor
        Level 2
        June 7, 2023

        Thank you all for your replies! The whole point of restarting the bundle alone is to avoid the AEM restart. Say, if I have Bundle A which creates a value using a service from Bundle B in the Activate method and save value in static variable. If I restart Bundle B, does values associated with the static variable in Bundle A will get affected because Bundle A depends on Bundle B?

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          Sady_Rifat
          Community Advisor
          Sady_RifatCommunity AdvisorAccepted solution
          Community Advisor
          June 8, 2023

          Exactly. All the Activate methods will be reinitiated and their reference objects will be mismatched. That's why there is a chance to show some unexpected behavior.

          Translate
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