java.lang.NullPointerException

Jenkins JIRA | tapiomtr | 6 years ago
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  1. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 6 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
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  3. 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
  4. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 3 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at hudson.plugins.disk_usage.DiskUsageThread$DiskUsageCallable.getFileSize()
    2. hudson.plugins.disk_usage
      DiskUsageThread$DiskUsageCallable.call
      1. hudson.plugins.disk_usage.DiskUsageThread$DiskUsageCallable.getFileSize(DiskUsageThread.java:161)
      2. hudson.plugins.disk_usage.DiskUsageThread$DiskUsageCallable.getFileSize(DiskUsageThread.java:162)
      3. hudson.plugins.disk_usage.DiskUsageThread$DiskUsageCallable.getFileSize(DiskUsageThread.java:162)
      4. hudson.plugins.disk_usage.DiskUsageThread$DiskUsageCallable.getFileSize(DiskUsageThread.java:162)
      5. hudson.plugins.disk_usage.DiskUsageThread$DiskUsageCallable.call(DiskUsageThread.java:154)
      6. hudson.plugins.disk_usage.DiskUsageThread$DiskUsageCallable.call(DiskUsageThread.java:144)
      6 frames
    3. Hudson
      FilePath.act
      1. hudson.FilePath.act(FilePath.java:784)
      1 frame
    4. hudson.plugins.disk_usage
      DiskUsageThread.execute
      1. hudson.plugins.disk_usage.DiskUsageThread.calculateWorkspaceDiskUsage(DiskUsageThread.java:127)
      2. hudson.plugins.disk_usage.DiskUsageThread.execute(DiskUsageThread.java:78)
      2 frames
    5. Hudson
      AsyncPeriodicWork$1.run
      1. hudson.model.AsyncPeriodicWork$1.run(AsyncPeriodicWork.java:51)
      1 frame
    6. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:636)
      1 frame