java.lang.NullPointerException

Oracle Community | 112421 | 2 decades ago
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    Oracle Community | 2 decades ago | 112421
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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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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at oracle.AQ.xml.AQxmlServlet20.doPost()
    2. oracle.AQ.xml
      AQxmlServlet20.doPost
      1. oracle.AQ.xml.AQxmlServlet20.doPost(AQxmlServlet20.java:191)
      1 frame
    3. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:521)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
      2 frames
    4. org.apache.jserv
      JServConnection.run
      1. org.apache.jserv.JServConnection.processRequest(JServConnection.java:435)
      2. org.apache.jserv.JServConnection.run(JServConnection.java:290)
      2 frames
    5. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:479)
      1 frame