java.lang.NullPointerException

GitHub | shailender-bathula | 7 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 | 2 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 org.redisson.connection.MasterSlaveEntry.slaveDown()
    2. Redisson
      MasterSlaveEntry.slaveDown
      1. org.redisson.connection.MasterSlaveEntry.slaveDown(MasterSlaveEntry.java:120)
      2. org.redisson.connection.MasterSlaveEntry.slaveDown(MasterSlaveEntry.java:114)
      2 frames
    3. org.redisson.connection
      ConnectionPool$3.operationComplete
      1. org.redisson.connection.pool.ConnectionPool.checkForReconnect(ConnectionPool.java:285)
      2. org.redisson.connection.pool.ConnectionPool.promiseFailure(ConnectionPool.java:249)
      3. org.redisson.connection.pool.ConnectionPool.access$200(ConnectionPool.java:43)
      4. org.redisson.connection.pool.ConnectionPool$3.operationComplete(ConnectionPool.java:218)
      4 frames
    4. Netty
      DefaultPromise.tryFailure
      1. io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:683)
      2. io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:568)
      3. io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:425)
      3 frames
    5. Redisson
      ClientConnectionsEntry$1.operationComplete
      1. org.redisson.connection.ClientConnectionsEntry$1.operationComplete(ClientConnectionsEntry.java:147)
      1 frame
    6. Netty
      DefaultPromise.setFailure
      1. io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:683)
      2. io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:568)
      3. io.netty.util.concurrent.DefaultPromise.setFailure(DefaultPromise.java:416)
      3 frames
    7. org.redisson.client
      RedisClient$2.operationComplete
      1. org.redisson.client.RedisClient$2.operationComplete(RedisClient.java:108)
      2. org.redisson.client.RedisClient$2.operationComplete(RedisClient.java:101)
      2 frames
    8. Netty
      DefaultThreadFactory$DefaultRunnableDecorator.run
      1. io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:683)
      2. io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:604)
      3. io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:564)
      4. io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:425)
      5. io.netty.channel.nio.AbstractNioChannel.doClose(AbstractNioChannel.java:462)
      6. io.netty.channel.socket.nio.NioSocketChannel.doClose(NioSocketChannel.java:236)
      7. io.netty.channel.AbstractChannel$AbstractUnsafe.doClose0(AbstractChannel.java:628)
      8. io.netty.channel.AbstractChannel$AbstractUnsafe.close(AbstractChannel.java:607)
      9. io.netty.channel.AbstractChannel$AbstractUnsafe.close(AbstractChannel.java:551)
      10. io.netty.channel.nio.NioEventLoop.closeAll(NioEventLoop.java:593)
      11. io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:378)
      12. io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
      13. io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
      13 frames
    9. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame