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  1. #1
    apsleo86 is offline Member
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    Exclamation Middleware using Java

    Hi. I am trying to run a java code in net beans....

    I am getting a clean build on the project, however, when I try to run the same I get the following error :

    Exception in thread "Thread-0" java.lang.NullPointerException
    at middleware.pinger.Listener.run(Listener.java:86)

    Can someone please help me ?

    I am using Netbeans on Fedora.

  2. #2
    Fubarable's Avatar
    Fubarable is offline Moderator
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    Default

    Do you have a class called Listener.java? If so, have a look at line 86 to see what objects are being used as one of them has not been initialized yet.

  3. #3
    apsleo86 is offline Member
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    Default Middleware using Java

    Yes .. I could correct it and execute...

    I have some doubts regarding the test cases too.. Will post shortly. Since I did not code the project, I am facing these issues

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