Install service pack without recompiling artefacts aganist corresponding uber jar | Community
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ashissharma619
August 7, 2020
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Install service pack without recompiling artefacts aganist corresponding uber jar

  • August 7, 2020
  • 2 replies
  • 1418 views

Is it okay to upgrade the AEM with 6.5.5 service pack and keep the artefacts compiled against 6.5.0 itself. We tested functionally and there are no issues. Is there a mandatory requirement that all artefacts on the instance needs to be compiled against the same version.

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Best answer by joerghoh

In many cases this approach works. But there are cases, where API changes are introduced (typically for security reasons), which make bundle imports not working anymore. But that's something you can find out very easily. But evn in that case I would suggest that update to the matching uber.jar asap.

 

Jörg

2 replies

vanegi
Adobe Employee
vanegiAdobe Employee
Adobe Employee
August 7, 2020

Hi @ashissharma619,

When you need to recompile, the first thing to do is update your project to reference the AEM UberJar. As documented on https://docs.adobe.com/content/help/en/experience-manager-65/developing/devtools/ht-projects-maven.html, the UberJar is available in two different versions:

  • An obfuscated version which is freely available on repo.adobe.com.
  • An unobfuscated version which can only be obtained by licensed customers and partners through Adobe Support.

There are a variety of cases when you need the unobfuscated version – certain types of unit tests, certain Declarative Services use cases, etc. These are laid out in the documentation. If you were using the obfuscated version before, you can continue to use the obfuscated version. And if you needed the unobfuscated version, you still need it.

 

I would recommend to go with exact uber-jar version matching with AEM. Adobe recommends deploying against the Uber Jar that ** does not **contain the deprecated APIs to make sure that your applications will run properly on future versions of AEM.

 

Thanks!!

    A
    ashissharma619Author
    August 7, 2020

    What if I don't recompile at all. I will simply install service pack 6.5.5 into the aem instance and my artefact uber jar stays at 6.5.0 itself . I think due to the lesser number of overlays,  there are no issues functionally. But, is the okay to do it this way.

    joerghoh
    Adobe Employee
    joerghohAdobe EmployeeAccepted solution
    Adobe Employee
    August 7, 2020

    In many cases this approach works. But there are cases, where API changes are introduced (typically for security reasons), which make bundle imports not working anymore. But that's something you can find out very easily. But evn in that case I would suggest that update to the matching uber.jar asap.

     

    Jörg

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