java.lang.NullPointerException

Jenkins JIRA | David Merrill | 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.bitkeeper.BitKeeperSCM.getLatestChangeset()
    2. hudson.plugins.bitkeeper
      BitKeeperSCM.pollChanges
      1. hudson.plugins.bitkeeper.BitKeeperSCM.getLatestChangeset(BitKeeperSCM.java:219)
      2. hudson.plugins.bitkeeper.BitKeeperSCM.pollChanges(BitKeeperSCM.java:209)
      2 frames
    3. Hudson
      SequentialExecutionQueue$QueueEntry.run
      1. hudson.scm.SCM.poll(SCM.java:373)
      2. hudson.model.AbstractProject.poll(AbstractProject.java:1312)
      3. hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:420)
      4. hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:449)
      5. hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
      5 frames
    4. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
      2. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
      3. java.util.concurrent.FutureTask.run(FutureTask.java:138)
      4. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
      5. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
      6. java.lang.Thread.run(Thread.java:619)
      6 frames