java.lang.NullPointerException

GitHub | senderista | 9 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 edu.washington.escience.myria.operator.LeapFrogJoin.generateSchema()
    2. edu.washington.escience
      QueryResource.postNewQuery
      1. edu.washington.escience.myria.operator.LeapFrogJoin.generateSchema(LeapFrogJoin.java:625)
      2. edu.washington.escience.myria.operator.Operator.getSchema(Operator.java:497)
      3. edu.washington.escience.myria.operator.RootOperator.generateSchema(RootOperator.java:158)
      4. edu.washington.escience.myria.operator.Operator.getSchema(Operator.java:497)
      5. edu.washington.escience.myria.api.encoding.QueryConstruct.setConsumerSchema(QueryConstruct.java:604)
      6. edu.washington.escience.myria.api.encoding.QueryConstruct.instantiate(QueryConstruct.java:95)
      7. edu.washington.escience.myria.parallel.JsonSubQuery.instantiate(JsonSubQuery.java:70)
      8. edu.washington.escience.myria.parallel.Query.nextSubQuery(Query.java:208)
      9. edu.washington.escience.myria.parallel.QueryManager.advanceQuery(QueryManager.java:336)
      10. edu.washington.escience.myria.parallel.QueryManager.submitQuery(QueryManager.java:262)
      11. edu.washington.escience.myria.parallel.QueryManager.submitQuery(QueryManager.java:513)
      12. edu.washington.escience.myria.api.QueryResource.postNewQuery(QueryResource.java:92)
      12 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
      2. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      3. java.lang.reflect.Method.invoke(Method.java:498)
      3 frames
    4. jersey-core-server
      ServerRuntime$1.run
      1. org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
      2. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:151)
      3. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:172)
      4. org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:152)
      5. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:104)
      6. org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:384)
      7. org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:342)
      8. org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:101)
      9. org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:271)
      9 frames
    5. Jersey Core
      RequestScope.runInScope
      1. org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
      2. org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
      3. org.glassfish.jersey.internal.Errors.process(Errors.java:315)
      4. org.glassfish.jersey.internal.Errors.process(Errors.java:297)
      5. org.glassfish.jersey.internal.Errors.process(Errors.java:267)
      6. org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:297)
      6 frames
    6. jersey-core-server
      ApplicationHandler.handle
      1. org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:254)
      2. org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1030)
      2 frames
    7. jersey-container-grizzly2-http
      GrizzlyHttpContainer.service
      1. org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:378)
      1 frame
    8. Grizzly Server
      HttpHandler$1.run
      1. org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:219)
      1 frame
    9. Grizzly
      AbstractThreadPool$Worker.run
      1. org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565)
      2. org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:545)
      2 frames
    10. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame