java.lang.NullPointerException

roller-user | a20134 (sent by Nabble.com) | 1 decade ago
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    Re: So many problems with Roller 2.0

    roller-user | 1 decade ago | a20134 (sent by Nabble.com)
    java.lang.NullPointerException
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    Re: So many problems with Roller 2.0

    roller-user | 1 decade ago | a20134 (sent by Nabble.com)
    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 | 3 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.roller.presentation.website.actions.CreateWebsiteAction.create()
    2. org.roller.presentation
      CreateWebsiteAction.unspecified
      1. org.roller.presentation.website.actions.CreateWebsiteAction.create(CreateWebsiteAction.java:84)
      2. org.roller.presentation.website.actions.CreateWebsiteAction.unspecified(CreateWebsiteAction.java:56)
      2 frames
    3. struts
      ActionServlet.doGet
      1. org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:258)
      2. org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:196)
      3. org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
      4. org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
      5. org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
      6. org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
      6 frames
    4. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
      2 frames
    5. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      2 frames
    6. org.roller.presentation
      BreadCrumbFilter.doFilter
      1. org.roller.presentation.filters.BreadCrumbFilter.doFilter(BreadCrumbFilter.java:77)
      1 frame
    7. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      2 frames
    8. org.roller.presentation
      RequestFilter.doFilter
      1. org.roller.presentation.filters.RequestFilter.doFilter(RequestFilter.java:134)
      1 frame
    9. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      2 frames
    10. org.roller.presentation
      PersistenceSessionFilter.doFilter
      1. org.roller.presentation.filters.PersistenceSessionFilter.doFilter(PersistenceSessionFilter.java:53)
      1 frame
    11. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      2 frames
    12. org.roller.presentation
      SchemeEnforcementFilter.doFilter
      1. org.roller.presentation.filters.SchemeEnforcementFilter.doFilter(SchemeEnforcementFilter.java:97)
      1 frame
    13. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      2 frames
    14. org.roller.presentation
      CharEncodingFilter.doFilter
      1. org.roller.presentation.filters.CharEncodingFilter.doFilter(CharEncodingFilter.java:94)
      1 frame
    15. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:514)
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
      7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
      8. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
      9. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
      9 frames
    16. Grizzly HTTP
      LeaderFollowerWorkerThread.runIt
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
      2. org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
      3. org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
      4. org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
      4 frames
    17. Tomcat Util
      ThreadPool$ControlRunnable.run
      1. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
      1 frame
    18. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:595)
      1 frame