java.lang.NullPointerException

Oracle Community | 681095 | 8 years ago
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    Route Engine - null pointer

    Oracle Community | 1 decade ago | 12771
    java.lang.NullPointerException
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    Problem with routing

    Oracle Community | 1 decade ago | 113859
    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
  5. 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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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at oracle.spatial.router.engine.Route.forwardDFS()
    2. oracle.spatial.router
      RouteServerServlet.doPost
      1. oracle.spatial.router.engine.Route.forwardDFS(Route.java:1169)
      2. oracle.spatial.router.engine.Route.idsOfNodesForwardReachableFromANode(Route.java:1190)
      3. oracle.spatial.router.engine.Route.sourceToHighwaySearch(Route.java:1267)
      4. oracle.spatial.router.engine.Route.hierarchicalSearch(Route.java:1046)
      5. oracle.spatial.router.engine.Route.computeRoute(Route.java:289)
      6. oracle.spatial.router.server.RouteServerImplementation.route(RouteServerImplementation.java:241)
      7. oracle.spatial.router.server.RouteServerServlet.processRouteRequest(RouteServerServlet.java:689)
      8. oracle.spatial.router.server.RouteServerServlet.takeXMLRequestAndReturnResponse(RouteServerServlet.java:559)
      9. oracle.spatial.router.server.RouteServerServlet.doPost(RouteServerServlet.java:419)
      9 frames
    3. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
      2 frames
    4. com.evermind.server
      HttpRequestHandler.run
      1. com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:709)
      2. com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
      3. com.evermind.server.http.HttpRequestHandler.doDispatchRequest(HttpRequestHandler.java:889)
      4. com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:797)
      5. com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:607)
      6. com.evermind.server.http.HttpRequestHandler.serveOneRequest(HttpRequestHandler.java:376)
      7. com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:161)
      8. com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:142)
      8 frames
    5. oracle.oc4j.network
      ServerSocketReadHandler$ClientRunnable.run
      1. oracle.oc4j.network.ServerSocketReadHandler$ClientRunnable.run(ServerSocketReadHandler.java:275)
      1 frame
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
      3. java.lang.Thread.run(Thread.java:595)
      3 frames