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prashanth55
Level 2
October 8, 2018
Solved

WCMUsePojo in AEM6.3 not working

  • October 8, 2018
  • 9 replies
  • 7798 views

Hi All,

I have created a class which extends WCMUsePojo. But it's not working, it is giving following error.

com.adobe.cq.sightly.WCMUsePojo Failed to activate Use class

java.lang.NullPointerException: null

This is the code:

import com.adobe.cq.sightly.WCMUsePojo;

public class TestUse extends WCMUsePojo {

     String text;

   

    @Override

    public void activate() throws Exception {

    text = get("text", String.class);

        log.debug("Text: {}", text);

        log.info("--- Started : : Activate");       

    }

    public String getText (){

        return this.text;

    }   

}

I have also included uber.jar in the pom.and the bundle is in the active state.

Please help me to resolve this issue.

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    Best answer by prashanth55

    Thanks All, the issue is solved. The acs-commons bundle is causing the issue because of twitter dependency. It is working fine after adding twitter bundle and restarting the core bundle.

    9 replies

    raj_mandalapu
    raj_mandalapu
    Level 7
    October 8, 2018

    I think it is because of log.debug. I don't see creating an instance for the Logger class in your code.

      edubey
      edubey
      Level 10
      October 8, 2018

      code will not compile if that's the case

      edubey
      edubey
      Level 10
      October 8, 2018

      You should be seeing line no where NPE is occuring, can you check?

      Also is that the complete code?

      Make sure you bundle is resolved in felix

      arunpatidar
      Community Advisor
      arunpatidarCommunity Advisor
      Community Advisor
      October 8, 2018

      Hi,

      Please check Adobe Experience Manager Help | Creating an Adobe Experience Manager HTML Template Language component that uses the WCMU…  to see how to use WCMUsePojo

      Arun Patidar
      raj_mandalapu
      raj_mandalapu
      Level 7
      October 8, 2018

      How are you deploying bundle ? are you deploying through Felix console ? or did use CRXDE to create a class? please post entire code?

      Try below code : to read value from dialog we should use below code

      getProperties().get("text", String.class);

      I think get is used when you pass a parameter from sightly. this caused null pointer exception

      get("text", String.class);

        Ratna_Kumar
        Ratna_Kumar
        Level 10
        October 8, 2018

        Hi Prashanth,

        Have you checked this article which tells how to use WCMUsePojo class

        Adobe Experience Manager Help | Creating an Adobe Experience Manager HTML Template Language component that uses the WCMU…

        Thanks,

        Ratna Kumar.

        Feike_Visser1
        Adobe Employee
        Feike_Visser1Adobe Employee
        Adobe Employee
        October 9, 2018

        Can you share the full stacktrace? And also the code seems not to be complete.

        P
        prashanth55AuthorAccepted solution
        Level 2
        October 9, 2018

        Thanks All, the issue is solved. The acs-commons bundle is causing the issue because of twitter dependency. It is working fine after adding twitter bundle and restarting the core bundle.

        Feike_Visser1
        Adobe Employee
        Feike_Visser1Adobe Employee
        Adobe Employee
        October 9, 2018

        Good to hear, although I can't see how this bundle can affect this.

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