java.lang.NullPointerException

Jenkins JIRA | Gregory | 5 years ago
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    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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  5. 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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    Cloud Foundry v2 in Grails

    Stack Overflow | 2 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 com.thalesgroup.hudson.plugins.klocwork.util.KloProjectReviewLink.setKloHostPort()
    2. com.thalesgroup.hudson
      KloPublisher.getProjectActions
      1. com.thalesgroup.hudson.plugins.klocwork.util.KloProjectReviewLink.setKloHostPort(KloProjectReviewLink.java:50)
      2. com.thalesgroup.hudson.plugins.klocwork.util.KloProjectReviewLink.<init>(KloProjectReviewLink.java:46)
      3. com.thalesgroup.hudson.plugins.klocwork.KloPublisher.getProjectActions(KloPublisher.java:74)
      3 frames
    3. Hudson
      Items.load
      1. hudson.matrix.MatrixProject.createTransientActions(MatrixProject.java:365)
      2. hudson.model.AbstractProject.updateTransientActions(AbstractProject.java:624)
      3. hudson.model.AbstractProject.onLoad(AbstractProject.java:279)
      4. hudson.matrix.MatrixProject.onLoad(MatrixProject.java:404)
      5. hudson.model.Items.load(Items.java:115)
      5 frames
    4. jenkins.model
      Jenkins$15.run
      1. jenkins.model.Jenkins$15.run(Jenkins.java:2447)
      1 frame
    5. init
      Reactor.runTask
      1. org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:146)
      2. org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
      2 frames
    6. jenkins.model
      Jenkins$6.runTask
      1. jenkins.model.Jenkins$6.runTask(Jenkins.java:840)
      1 frame
    7. init
      Reactor$Node.run
      1. org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)
      2. org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
      2 frames
    8. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
      3. java.lang.Thread.run(Thread.java:662)
      3 frames