Unable to use external jars in aem environment (OSGi) | Community
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R
rasikawanjari
Level 2
April 3, 2019

Unable to use external jars in aem environment (OSGi)

  • April 3, 2019
  • 5 replies
  • 9317 views

We have a third party jar which we want to use in our AEM project. We have added dependencies in pom files, it is resolving those jars only in eclipse but when it comes to Felix console it is not showing under the imported package and not giving any jars that have been added in dependencies. Hence, we are getting classnotfound exception while calling any methods from a jar.

Also, is it feasible if external project jar has the dependency on spring jar, can we include it in AEM as well?

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    5 replies

    U
    Adobe Employee
    user05162Adobe Employee
    Adobe Employee
    April 3, 2019

    I believe you need to add that jar to the OSGI console in order to use the services associated with that jar file.

    You can include any jar within AEM as long as it is able to resolve the imported/exported bundle list mentioned in the metadata of that jar file

    arunpatidar
    Community Advisor
    arunpatidarCommunity Advisor
    Community Advisor
    April 3, 2019

    worth to notice if jars are not osgi bundles.

    You can not use jar directly in AEM, need to converted the Jar into bundle with help of the link "https://helpx.adobe.com/experience-manager/kb/ConvertAJarIntoOsgiBundle.html" , Now your bundle is ready to be uploaded into AEM through felix console.

    Arun Patidar
      R
      rasikawanjariAuthor
      Level 2
      April 4, 2019

      what to do in a scenario where the jar file has dependencies on other external jar files.I am facing this issue where i create the osgi bundle from normal jar and  upload it on AEM console but when I am trying to hit my servlet there it needs third party (spring)jars , so it giving
      java.lang.NoClassDefFoundError: org/springframework/web/client/RestClientException.What can I do in this case?

      Prince_Shivhare
      Community Advisor
      Prince_ShivhareCommunity Advisor
      Community Advisor
      April 4, 2019

      if you have added the dependency and jar is downloaded in your m2. repo then you need to manually put the jar in system/console.

      upload the jar from m2 only.

      A
      AshokPelluru
      April 4, 2019

      If that jar's not OSGi support, you should convert them to OSGi jars by simply adding the manifest file.

      Here you go how to do that: How to Convert a jar File into an OSGi Bundle

      Adobe Experience Manager (AEM/CQ5) : How to Convert a jar File into an OSGi Bundle

      A
      AshokPelluru
      April 4, 2019

      Hi @rasikawanjari

      Make sure you should use only OSGi support spring versions.

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