java.lang.NullPointerException: println needs a message

masterqna.com | 4 months ago
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    java.lang.NullPointerException: println needs a message
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    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.filsoft.jumpko/com.filsoft.jumpko.Rang}: java.lang.NullPointerException: println needs a message
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    java.lang.NullPointerException: println needs a message
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    java.lang.NullPointerException: println needs a message

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    Root Cause Analysis

    1. java.lang.NullPointerException

      println needs a message

      at android.util.Log.println_native()
    2. Android Platform
      Log.w
      1. android.util.Log.println_native(Native Method)
      2. android.util.Log.w(Log.java:225)
      2 frames
    3. com.example.gcmmanager
      GCMSendMessage.onCreate
      1. com.example.gcmmanager.GCMSendMessage.getJson(GCMSendMessage.java:193)
      2. com.example.gcmmanager.GCMSendMessage.onCreate(GCMSendMessage.java:74)
      2 frames
    4. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:5206)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2074)
      3 frames