java.lang.NullPointerException

GitHub | ikuy | 2 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
  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 codechicken.lib.world.WorldExtension.saveChunkData()
    2. codechicken.lib.world
      WorldExtensionManager$WorldExtensionEventHandler.onChunkDataSave
      1. codechicken.lib.world.WorldExtension.saveChunkData(WorldExtension.java:62)[Thread-128/WARN]
      2. codechicken.lib.world.WorldExtensionManager$WorldExtensionEventHandler.onChunkDataSave(WorldExtensionManager.java:42)[Thread-128/WARN]
      2 frames
    3. MC Forge
      EventBus.post
      1. cpw.mods.fml.common.eventhandler.ASMEventHandler_316_WorldExtensionEventHandler_onChunkDataSave_Save.invoke(.dynamic)[Thread-128/WARN]
      2. cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)[Thread-128/WARN]
      3. cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)[Thread-128/WARN]
      3 frames
    4. net.minecraft.world
      AnvilChunkLoader.func_75816_a
      1. net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75816_a(AnvilChunkLoader.java:219)[Thread-128/WARN]
      1 frame
    5. Minecraft
      WorldServer.func_73044_a
      1. net.minecraft.world.gen.ChunkProviderServer.func_73242_b(ChunkProviderServer.java:338)[Thread-128/WARN]
      2. net.minecraft.world.gen.ChunkProviderServer.func_73151_a(ChunkProviderServer.java:418)[Thread-128/WARN]
      3. net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:1052)[Thread-128/WARN]
      3 frames
    6. org.bukkit.craftbukkit
      CraftWorld.save
      1. org.bukkit.craftbukkit.v1_7_R4.CraftWorld.save(CraftWorld.java:791)[Thread-128/WARN]
      1 frame
    7. com.mengcraft.bukkit
      SaveWorld$SaveWorldTask.run
      1. com.mengcraft.bukkit.protect.SaveWorld$SaveWorldTask.run(SaveWorld.java:65)[Thread-128/WARN]
      1 frame
    8. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)[Thread-128/ERROR]
      1 frame