java.lang.NullPointerException

GitHub | renzotom | 8 months ago
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  2. 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
  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

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.khorn.terraincontrol.bukkit.TCPlugin.onWorldInit()
    2. com.khorn.terraincontrol
      TCChunkGenerator.getDefaultPopulators
      1. com.khorn.terraincontrol.bukkit.TCPlugin.onWorldInit(TCPlugin.java:176)
      2. com.khorn.terraincontrol.bukkit.generator.TCChunkGenerator.makeSureWorldIsInitialized(TCChunkGenerator.java:40)
      3. com.khorn.terraincontrol.bukkit.generator.TCChunkGenerator.getDefaultPopulators(TCChunkGenerator.java:66)
      3 frames
    3. com.plotsquared.bukkit
      BukkitSetupUtils.updateGenerators
      1. com.plotsquared.bukkit.generator.BukkitPlotGenerator.<init>(BukkitPlotGenerator.java:192)
      2. com.plotsquared.bukkit.util.BukkitSetupUtils.updateGenerators(BukkitSetupUtils.java:43)
      2 frames
    4. com.intellectualcrafters.plot
      SubCommand.execute
      1. com.intellectualcrafters.plot.commands.Setup.onCommand(Setup.java:53)
      2. com.intellectualcrafters.plot.commands.SubCommand.execute(SubCommand.java:27)
      2 frames
    5. com.plotsquared.general
      Command.execute
      1. com.plotsquared.general.commands.Command.execute(Command.java:337)
      1 frame
    6. com.intellectualcrafters.plot
      MainCommand.onCommand
      1. com.intellectualcrafters.plot.commands.MainCommand.execute(MainCommand.java:227)
      2. com.intellectualcrafters.plot.commands.MainCommand.onCommand(MainCommand.java:133)
      2 frames
    7. com.plotsquared.bukkit
      BukkitCommand.onCommand
      1. com.plotsquared.bukkit.util.BukkitCommand.onCommand(BukkitCommand.java:30)
      1 frame
    8. Bukkit
      SimpleCommandMap.dispatch
      1. org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
      2. org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
      2 frames
    9. org.bukkit.craftbukkit
      CraftServer.dispatchCommand
      1. org.bukkit.craftbukkit.v1_10_R1.CraftServer.dispatchCommand(CraftServer.java:647)
      1 frame
    10. net.minecraft.server
      PlayerConnectionUtils$1.run
      1. net.minecraft.server.v1_10_R1.PlayerConnection.handleCommand(PlayerConnection.java:1351)
      2. net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:1186)
      3. net.minecraft.server.v1_10_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
      4. net.minecraft.server.v1_10_R1.PacketPlayInChat.a(PacketPlayInChat.java:1)
      5. net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13)
      5 frames
    11. Java RT
      FutureTask.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      2. java.util.concurrent.FutureTask.run(FutureTask.java:266)
      2 frames
    12. net.minecraft.server
      MinecraftServer.run
      1. net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45)
      2. net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:732)
      3. net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:400)
      4. net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:668)
      5. net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:567)
      5 frames
    13. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame