java.lang.NullPointerException

GitHub | 5igm | 8 months ago
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    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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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.gmail.trentech.simpletags.EventListener.onMessageChannelEventChat()
    2. com.gmail.trentech
      EventListener.onMessageChannelEventChat
      1. com.gmail.trentech.simpletags.EventListener.onMessageChannelEventChat(EventListener.java:56)[EventListener.class:?]
      1 frame
    3. org.spongepowered.common
      RegisteredListener.handle
      1. org.spongepowered.common.event.listener.ChatListener_EventListener_onMessageChannelEventChat112.handle(Unknown Source)[?:?]
      2. org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95)[RegisteredListener.class:1.8.9-1890-4.2.0-BETA-1666]
      2 frames
    4. org.spongepowered.mod
      SpongeModEventManager.post
      1. org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:201)[SpongeModEventManager.class:1.8.9-1890-4.2.0-BETA-1666]
      2. org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:148)[SpongeModEventManager.class:1.8.9-1890-4.2.0-BETA-1666]
      2 frames
    5. MC Forge
      EventBus.post
      1. net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:92)[EventBus.class:?]
      2. net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:81)[EventBus.class:?]
      2 frames
    6. Minecraft
      C01PacketChatMessage.func_148833_a
      1. net.minecraft.network.NetHandlerPlayServer.handler$injectChatEvent$0(NetHandlerPlayServer.java:78)[lm.class:?]
      2. net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:799)[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-1666]
      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(Unknown Source)[?:1.8.0_101]
      2. java.util.concurrent.FutureTask.run(Unknown Source)[?:1.8.0_101]
      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(Unknown Source)[?:1.8.0_101]
      1 frame