java.lang.NullPointerException

GitHub | inklit | 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
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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 me.ryanhamshire.griefprevention.DataStore.deleteClaim()
    2. me.ryanhamshire.griefprevention
      CommandClaimAbandon.execute
      1. me.ryanhamshire.griefprevention.DataStore.deleteClaim(DataStore.java:399)[DataStore.class:?]
      2. me.ryanhamshire.griefprevention.command.CommandClaimAbandon.execute(CommandClaimAbandon.java:81)[CommandClaimAbandon.class:?]
      2 frames
    3. org.spongepowered.api
      SimpleDispatcher.process
      1. org.spongepowered.api.command.spec.CommandSpec.process(CommandSpec.java:331)[CommandSpec.class:1.8.9-1890-4.2.0-BETA-1595]
      2. org.spongepowered.api.command.dispatcher.SimpleDispatcher.process(SimpleDispatcher.java:331)[SimpleDispatcher.class:1.8.9-1890-4.2.0-BETA-1595]
      2 frames
    4. org.spongepowered.common
      SpongeCommandManager.process
      1. org.spongepowered.common.command.SpongeCommandManager.process(SpongeCommandManager.java:279)[SpongeCommandManager.class:1.8.9-1890-4.2.0-BETA-1595]
      1 frame
    5. net.minecraft.command
      ServerCommandManager.func_71556_a
      1. net.minecraft.command.ServerCommandManager.func_71556_a(SourceFile:80)[bd.class:?]
      1 frame
    6. Minecraft
      C01PacketChatMessage.func_148833_a
      1. net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:815)[lm.class:?]
      2. net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:794)[lm.class:?]
      3. net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:37)[ie.class:?]
      4. net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:9)[ie.class:?]
      4 frames
    7. org.spongepowered.common
      PacketUtil.onProcessPacket
      1. org.spongepowered.common.network.PacketUtil.onProcessPacket(PacketUtil.java:121)[PacketUtil.class:1.8.9-1890-4.2.0-BETA-1595]
      1 frame
    8. Minecraft
      PacketThreadUtil$1.run
      1. net.minecraft.network.PacketThreadUtil$1.redirect$onProcessPacket$0(SourceFile:39)[fh$1.class:?]
      2. net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13)[fh$1.class:?]
      2 frames
    9. Java RT
      FutureTask.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[?:1.8.0_91]
      2. java.util.concurrent.FutureTask.run(FutureTask.java:266)[?:1.8.0_91]
      2 frames
    10. net.minecraft.util
      Util.func_181617_a
      1. net.minecraft.util.Util.func_181617_a(SourceFile:44)[g.class:?]
      1 frame
    11. MC Server
      MinecraftServer.run
      1. net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:660)[MinecraftServer.class:?]
      2. net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344)[ko.class:?]
      3. net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605)[MinecraftServer.class:?]
      4. net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481)[MinecraftServer.class:?]
      4 frames
    12. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)[?:1.8.0_91]
      1 frame