java.lang.NullPointerException

GitHub | Pilvinen | 1 year 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 com.extrahardmode.module.PlayerModule.getArmorPoints()
    2. com.extrahardmode.module
      PlayerModule.getArmorPoints
      1. com.extrahardmode.module.PlayerModule.getArmorPoints(PlayerModule.java:227)[?:?]
      1 frame
    3. com.extrahardmode.task
      ArmorWeightTask.run
      1. com.extrahardmode.task.ArmorWeightTask.run(ArmorWeightTask.java:43)[?:?]
      1 frame
    4. org.bukkit.craftbukkit
      CraftScheduler.mainThreadHeartbeat
      1. org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:71)[spigot-1.9.jar:git-Spigot-3104eb1-daf4514]
      2. org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)[spigot-1.9.jar:git-Spigot-3104eb1-daf4514]
      2 frames
    5. net.minecraft.server
      MinecraftServer.run
      1. net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:729)[spigot-1.9.jar:git-Spigot-3104eb1-daf4514]
      2. net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:400)[spigot-1.9.jar:git-Spigot-3104eb1-daf4514]
      3. net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:660)[spigot-1.9.jar:git-Spigot-3104eb1-daf4514]
      4. net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:559)[spigot-1.9.jar:git-Spigot-3104eb1-daf4514]
      4 frames
    6. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)[?:1.8.0_72]
      1 frame