java.lang.NullPointerException

ode-user | Anne Noseda | 1 decade ago
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    How to improve performance

    ode-user | 1 decade ago | Anne Noseda
    java.lang.NullPointerException
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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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    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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    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
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    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.opentools.minerva.connector.jdbc.JDBCLocalTransaction.rollback()
    2. org.opentools.minerva
      BaseConnectionManager$SharedLocalConnectionListener.afterCompletion
      1. org.opentools.minerva.connector.jdbc.JDBCLocalTransaction.rollback(JDBCLocalTransaction.java:57)
      2. org.opentools.minerva.connector.BaseConnectionManager$SharedLocalConnectionListener.afterCompletion(BaseConnectionManager.java:389)
      2 frames
    3. Geronimo TxManager :: Transaction
      TransactionManagerImpl.rollback
      1. org.apache.geronimo.transaction.manager.TransactionImpl.afterCompletion(TransactionImpl.java:537)
      2. org.apache.geronimo.transaction.manager.TransactionImpl.rollback(TransactionImpl.java:489)
      3. org.apache.geronimo.transaction.manager.TransactionManagerImpl.rollback(TransactionManagerImpl.java:276)
      3 frames
    4. org.apache.ode
      Receiver$1.run
      1. org.apache.ode.jbi.OdeService.invokeOde(OdeService.java:256)
      2. org.apache.ode.jbi.OdeService.onJbiMessageExchange(OdeService.java:141)
      3. org.apache.ode.jbi.JbiMessageExchangeEventRouter.onJbiMessageExchange(JbiMessageExchangeEventRouter.java:47)
      4. org.apache.ode.jbi.Receiver$1.run(Receiver.java:190)
      4 frames
    5. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
      2. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
      3. java.util.concurrent.FutureTask.run(FutureTask.java:123)
      4. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
      5. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
      6. java.lang.Thread.run(Thread.java:595)
      6 frames