java.lang.NullPointerException

Jenkins JIRA | Jens Baitinger | 6 years ago
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  3. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 7 years ago | Pallinder
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
  4. 0

    J2ME (Java) - Null Pointer Exception caught in Display Class

    Stack Overflow | 6 years ago | Tom
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at hudson.Launcher.printCommandLine()
    2. Hudson
      Launcher$RemoteLaunchCallable.call
      1. hudson.Launcher.printCommandLine(Launcher.java:592)
      2. hudson.Launcher.maskedPrintCommandLine(Launcher.java:614)
      3. hudson.Launcher$LocalLauncher.launch(Launcher.java:698)
      4. hudson.Launcher$ProcStarter.start(Launcher.java:338)
      5. hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:932)
      6. hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:899)
      6 frames
    3. Hudson :: Remoting Layer
      Request$2.run
      1. hudson.remoting.UserRequest.perform(UserRequest.java:118)
      2. hudson.remoting.UserRequest.perform(UserRequest.java:48)
      3. hudson.remoting.Request$2.run(Request.java:270)
      3 frames
    4. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
      2. java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
      3. java.util.concurrent.FutureTask.run(Unknown Source)
      4. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
      5. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      5 frames
    5. Hudson :: Remoting Layer
      Engine$1$1.run
      1. hudson.remoting.Engine$1$1.run(Engine.java:60)
      1 frame
    6. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)
      1 frame