WCMUsePojo in AEM6.3 not working | Community
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prashanth55
Level 2
Oct 8, 2018 3:51 AM UTC
Solved

WCMUsePojo in AEM6.3 not working

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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    prashanth55Accepted solution
    Level 2
    Oct 9, 2018 6:30 AM UTC

    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.

    View reply

    9 replies

    Feike_Visser1
    Feike_Visser1
    Employee
    Oct 9, 2018 6:32 AM UTC

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

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      prashanth55AuthorAccepted solution
      Level 2
      Oct 9, 2018 6:30 AM UTC

      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.

      Translate
      Feike_Visser1
      Feike_Visser1
      Employee
      Oct 9, 2018 6:26 AM UTC

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

      Translate
      Ratna_Kumar
      Ratna_Kumar
      Level 10
      Oct 8, 2018 9:20 AM UTC

      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.

      Translate
      raj_mandalapu
      raj_mandalapu
      Level 7
      Oct 8, 2018 5:27 AM UTC

      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);

      Translate
        arunpatidar
        arunpatidar
        New Participant
        Oct 8, 2018 5:20 AM UTC

        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

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        Arun Patidar
        edubey
        edubey
        Level 10
        Oct 8, 2018 5:09 AM UTC

        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

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        edubey
        edubey
        Level 10
        Oct 8, 2018 5:08 AM UTC

        code will not compile if that's the case

        Translate
        raj_mandalapu
        raj_mandalapu
        Level 7
        Oct 8, 2018 5:05 AM UTC

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

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