java.lang.NullPointerException

GitHub | k-jiang | 9 months 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
  2. 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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  4. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
  5. 0

    NullPointerException in MIDlet with left soft key

    Stack Overflow | 6 years ago | berry120
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callItemListener(), bci=57 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=57 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$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 regalowl.hyperconomy.display.ItemDisplay.makeDisplay()
    2. regalowl.hyperconomy.display
      ItemDisplayHandler$2.run
      1. regalowl.hyperconomy.display.ItemDisplay.makeDisplay(ItemDisplay.java:112)[?:?]
      2. regalowl.hyperconomy.display.ItemDisplay.refresh(ItemDisplay.java:119)[?:?]
      3. regalowl.hyperconomy.display.ItemDisplayHandler$2.run(ItemDisplayHandler.java:104)[?:?]
      3 frames
    3. org.bukkit.craftbukkit
      CraftScheduler.mainThreadHeartbeat
      1. org.bukkit.craftbukkit.v1_9_R2.scheduler.CraftTask.run(CraftTask.java:71)[spigot-survival.jar:git-Spigot-798f32d-0cd0397]
      2. org.bukkit.craftbukkit.v1_9_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)[spigot-survival.jar:git-Spigot-798f32d-0cd0397]
      2 frames
    4. net.minecraft.server
      MinecraftServer.run
      1. net.minecraft.server.v1_9_R2.MinecraftServer.D(MinecraftServer.java:734)[spigot-survival.jar:git-Spigot-798f32d-0cd0397]
      2. net.minecraft.server.v1_9_R2.DedicatedServer.D(DedicatedServer.java:399)[spigot-survival.jar:git-Spigot-798f32d-0cd0397]
      3. net.minecraft.server.v1_9_R2.MinecraftServer.C(MinecraftServer.java:665)[spigot-survival.jar:git-Spigot-798f32d-0cd0397]
      4. net.minecraft.server.v1_9_R2.MinecraftServer.run(MinecraftServer.java:564)[spigot-survival.jar:git-Spigot-798f32d-0cd0397]
      4 frames
    5. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)[?:1.8.0_66]
      1 frame