java.lang.NullPointerException

GitHub | Phreag | 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
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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 | 2 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 de.Keyle.MyPet.util.ConfigurationLoader.seperateFood()
    2. de.Keyle.MyPet
      MyPetPlugin.onEnable
      1. de.Keyle.MyPet.util.ConfigurationLoader.seperateFood(ConfigurationLoader.java:493)[?:?]
      2. de.Keyle.MyPet.util.ConfigurationLoader.loadConfiguration(ConfigurationLoader.java:460)[?:?]
      3. de.Keyle.MyPet.MyPetPlugin.onEnable(MyPetPlugin.java:162)[?:?]
      3 frames
    3. Bukkit
      SimplePluginManager.enablePlugin
      1. org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:292)[spigot.jar:git-Paper-821]
      2. org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:319)[spigot.jar:git-Paper-821]
      3. org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:407)[spigot.jar:git-Paper-821]
      3 frames
    4. org.bukkit.craftbukkit
      CraftServer.enablePlugins
      1. org.bukkit.craftbukkit.v1_10_R1.CraftServer.loadPlugin(CraftServer.java:358)[spigot.jar:git-Paper-821]
      2. org.bukkit.craftbukkit.v1_10_R1.CraftServer.enablePlugins(CraftServer.java:318)[spigot.jar:git-Paper-821]
      2 frames
    5. net.minecraft.server
      MinecraftServer.run
      1. net.minecraft.server.v1_10_R1.MinecraftServer.t(MinecraftServer.java:409)
      2. net.minecraft.server.v1_10_R1.MinecraftServer.l(MinecraftServer.java:374)
      3. net.minecraft.server.v1_10_R1.MinecraftServer.a(MinecraftServer.java:328)
      4. net.minecraft.server.v1_10_R1.DedicatedServer.init(DedicatedServer.java:275)[spigot.jar:git-Paper-821]
      5. net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:575)[spigot.jar:git-Paper-821]
      5 frames
    6. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)[?:1.8.0_71]
      1 frame