java.lang.NullPointerException

Stack Overflow | Octavian Ionel | 6 months ago
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  1. 0

    POST JSON in body request with Jersey

    Stack Overflow | 6 months ago | Octavian Ionel
    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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    Cloud Foundry v2 in Grails

    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 ro.useraccount.jersey.Login.askLogin()
    2. ro.useraccount.jersey
      Login.askLogin
      1. ro.useraccount.jersey.Login.askLogin(Login.java:67)
      1 frame
    3. 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
    4. Jersey
      WebApplicationImpl.handleRequest
      1. com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:175)
      2. com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:67)
      3. com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:163)
      4. com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:111)
      5. com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:71)
      6. com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:111)
      7. com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:63)
      8. com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:654)
      9. com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:612)
      10. com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:603)
      10 frames
    5. Jersey
      ServletContainer.service
      1. com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:309)
      2. com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:425)
      3. com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:590)
      3 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
      1 frame
    7. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
      5. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
      6. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
      8 frames
    8. Grizzly HTTP
      JIoEndpoint$Worker.run
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:612)
      3. org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:503)
      3 frames
    9. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame