java.lang.NullPointerException

Stack Overflow | user57 | 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 | 3 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 javaxt.io.Image.getWidth()
    2. javaxt.io
      Image.resize
      1. javaxt.io.Image.getWidth(Image.java:280)
      2. javaxt.io.Image.resize(Image.java:788)
      3. javaxt.io.Image.resize(Image.java:771)
      3 frames
    3. com.nestone.deals
      DealCatcherResource.mergeAllDeals
      1. com.nestone.deals.util.SaveDealImages.imageResize(SaveDealImages.java:54)
      2. com.nestone.deals.DealCatcherResource.mergeAllDeals(DealCatcherResource.java:916)
      2 frames
    4. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:497)
      4 frames
    5. jersey-core-server
      ServerRuntime$2.run
      1. org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
      2. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
      3. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
      4. org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:205)
      5. org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
      6. org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
      7. org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
      8. org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
      9. org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:309)
      9 frames
    6. Jersey Core
      RequestScope.runInScope
      1. org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
      2. org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
      3. org.glassfish.jersey.internal.Errors.process(Errors.java:315)
      4. org.glassfish.jersey.internal.Errors.process(Errors.java:297)
      5. org.glassfish.jersey.internal.Errors.process(Errors.java:267)
      6. org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
      6 frames
    7. jersey-core-server
      ApplicationHandler.handle
      1. org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:292)
      2. org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1139)
      2 frames
    8. jersey-container-servlet-core
      ServletContainer.service
      1. org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:460)
      2. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:386)
      3. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:334)
      4. org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:221)
      4 frames
    9. Dropwizard Jetty Support
      NonblockingServletHolder.handle
      1. io.dropwizard.jetty.NonblockingServletHolder.handle(NonblockingServletHolder.java:49)
      1 frame
    10. Jetty
      GzipFilter.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
      2. org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:83)
      3. org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:364)
      3 frames
    11. Dropwizard Jetty Support
      BiDiGzipFilter.doFilter
      1. io.dropwizard.jetty.BiDiGzipFilter.doFilter(BiDiGzipFilter.java:132)
      1 frame
    12. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      1 frame
    13. Dropwizard Servlet Support
      ThreadNameFilter.doFilter
      1. io.dropwizard.servlets.ThreadNameFilter.doFilter(ThreadNameFilter.java:29)
      1 frame
    14. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      1 frame
    15. Dropwizard Jersey Support
      AllowedMethodsFilter.doFilter
      1. io.dropwizard.jersey.filter.AllowedMethodsFilter.handle(AllowedMethodsFilter.java:43)
      2. io.dropwizard.jersey.filter.AllowedMethodsFilter.doFilter(AllowedMethodsFilter.java:38)
      2 frames
    16. Jetty
      HandlerWrapper.handle
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      2. org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
      3. org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
      4. org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
      5. org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
      6. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
      7. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
      7 frames
    17. Metrics Integration for Jetty 9.1 and higher
      InstrumentedHandler.handle
      1. com.codahale.metrics.jetty9.InstrumentedHandler.handle(InstrumentedHandler.java:240)
      1 frame
    18. Dropwizard Jetty Support
      ContextRoutingHandler.handle
      1. io.dropwizard.jetty.ContextRoutingHandler.handle(ContextRoutingHandler.java:38)
      1 frame
    19. Jetty
      QueuedThreadPool$3.run
      1. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
      2. org.eclipse.jetty.server.handler.RequestLogHandler.handle(RequestLogHandler.java:95)
      3. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
      4. org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:159)
      5. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
      6. org.eclipse.jetty.server.Server.handle(Server.java:499)
      7. org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
      8. org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
      9. org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
      10. org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
      11. org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
      11 frames
    20. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame