java.lang.NullPointerException

GitHub | Isfirs | 8 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 | 3 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 com.minecolonies.colony.Colony.lambda$checkAchievements$12()
    2. com.minecolonies.colony
      Colony.lambda$null$15
      1. com.minecolonies.colony.Colony.lambda$checkAchievements$12(Colony.java:728)[Colony.class:?]
      2. com.minecolonies.colony.Colony.lambda$null$15(Colony.java:743)[Colony.class:?]
      2 frames
    3. Java RT
      ArrayList.forEach
      1. java.util.ArrayList.forEach(ArrayList.java:1249)[?:1.8.0_101]
      1 frame
    4. com.minecolonies.colony
      Colony.lambda$checkAchievements$16
      1. com.minecolonies.colony.Colony.lambda$checkAchievements$16(Colony.java:743)[Colony.class:?]
      1 frame
    5. Java RT
      ReferencePipeline.forEach
      1. java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)[?:1.8.0_101]
      2. java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)[?:1.8.0_101]
      3. java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)[?:1.8.0_101]
      4. java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1620)[?:1.8.0_101]
      5. java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)[?:1.8.0_101]
      6. java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)[?:1.8.0_101]
      7. java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)[?:1.8.0_101]
      8. java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)[?:1.8.0_101]
      9. java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)[?:1.8.0_101]
      10. java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)[?:1.8.0_101]
      10 frames
    6. com.minecolonies.colony
      ColonyManager.lambda$onWorldTick$62
      1. com.minecolonies.colony.Colony.checkAchievements(Colony.java:743)[Colony.class:?]
      2. com.minecolonies.colony.Colony.spawnCitizen(Colony.java:710)[Colony.class:?]
      3. com.minecolonies.colony.Colony.spawnCitizen(Colony.java:665)[Colony.class:?]
      4. com.minecolonies.colony.Colony.onWorldTick(Colony.java:411)[Colony.class:?]
      5. com.minecolonies.colony.ColonyManager.lambda$onWorldTick$62(ColonyManager.java:419)[ColonyManager.class:?]
      5 frames
    7. Java RT
      ReferencePipeline.forEach
      1. java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)[?:1.8.0_101]
      2. java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)[?:1.8.0_101]
      3. java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1620)[?:1.8.0_101]
      4. java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)[?:1.8.0_101]
      5. java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)[?:1.8.0_101]
      6. java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)[?:1.8.0_101]
      7. java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)[?:1.8.0_101]
      8. java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)[?:1.8.0_101]
      9. java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)[?:1.8.0_101]
      9 frames
    8. com.minecolonies.colony
      ColonyManager.onWorldTick
      1. com.minecolonies.colony.ColonyManager.onWorldTick(ColonyManager.java:419)[ColonyManager.class:?]
      1 frame
    9. com.minecolonies.event
      FMLEventHandler.onWorldTick
      1. com.minecolonies.event.FMLEventHandler.onWorldTick(FMLEventHandler.java:46)[FMLEventHandler.class:?]
      1 frame
    10. MC Forge
      FMLCommonHandler.onPreWorldTick
      1. net.minecraftforge.fml.common.eventhandler.ASMEventHandler_42_FMLEventHandler_onWorldTick_WorldTickEvent.invoke(.dynamic)[?:?]
      2. net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49)[ASMEventHandler.class:?]
      3. net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)[EventBus.class:?]
      4. net.minecraftforge.fml.common.FMLCommonHandler.onPreWorldTick(FMLCommonHandler.java:274)[FMLCommonHandler.class:?]
      4 frames
    11. MC Server
      MinecraftServer.run
      1. net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:686)[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_101]
      1 frame