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Installed my own extension but can´t find it in operator tree

User: "duken"
New Altair Community Member
Updated by Jocelyn
Hello, 

I developed my first operator and installed it. IntelliJ shows me that that the build was successful and 
that the task "installExtension" is finished and i can see that the extension was loaded in the "About Installed Extensions" - menu. However I can not find my operator in the operator tree. Any suggestions what the reasons could be?

Best Regards 

DucAnh

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    User: "hbajpai"
    New Altair Community Member
    Hey @duken,

    That's weird, typically is should be a child of extensions folder in operator, did you try restarting Studio. Also checkout this thread https://community.rapidminer.com/discussion/56872/tutorial-for-creating-custom-operators/p1?new=1.  
    User: "duken"
    New Altair Community Member
    OP
    Hi @hbajpai

    Thanks for your answer. 
    yes I rebuilt and reinstalled it multiple times but it´s still not there. 
    The weird thing is when I was doing the "Extension-Tutorial" I could find the empty operator in the tree. 

    Regards

    DucAnh
    User: "MartinLiebig"
    Altair Employee
    Accepted Answer
    Hey @duken,
    very hard to debug, because it can have quite a few reasons. Any chance you can share the code?

    Otherwise, anything in the rapidminer-studio.log which looks odd?

    Best,
    Martin
    User: "duken"
    New Altair Community Member
    OP
    Hey @mschmitz

    thanks for your answer but I managed to get it to run now. 
    The problem was an NullPointerException.
    Checking the .log definitely helps. :smile:

    Best regards 

    DucAnh
    Hi @duken,
    great! I am still curious about what you are building :) Let me know if I can beta test!

    Cheers,
    Martin