java.lang.NullPointerException

Sakai JIRA | Jon Corson-Rikert | 4 years ago
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  1. 0

    Moved from https://issues.library.cornell.edu/browse/NIHVIVO-1586, crated 12/23/2010 by Rebecca. Please verify if this is still relevant and close if not. The sequence of events: - log in - navigate to an individual page - click an editing link - fill out form and go away for a while, so the session times out - come back and submit the form The page is messed up (see screenshot) and the source contains the following error message - which is not displayed on the page: <p>There was an error in the system; please try again later.</p> <div> <h3>Exception: </h3>java.lang.NullPointerException</div> <div> <h3>Trace:</h3><pre>java.lang.NullPointerException at org.apache.jsp.edit.editRequestDispatch_jsp._jspService(editRequestDispatch_jsp.java:247) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.PageRoutingFilter.doNonDisplayPage(PageRoutingFilter.java:100) at edu.cornell.mannlib.vitro.webapp.filters.PageRoutingFilter.doFilter(PageRoutingFilter.java:91) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.VitroRequestPrep.doFilter(VitroRequestPrep.java:213) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.WebappDaoFactorySDBPrep.doFilter(WebappDaoFactorySDBPrep.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.PortalPickerFilter.doFilter(PortalPickerFilter.java:232) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.URLRewriterFilter.doFilter(URLRewriterFilter.java:38) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.JSessionStripFilter.doFilter(JSessionStripFilter.java:60) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.CharsetEncodingFilter.doFilter(CharsetEncodingFilter.java:25) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.SessionTimeoutLimitingFilter.doFilter(SessionTimeoutLimitingFilter.java:36) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:680)

    Sakai JIRA | 4 years ago | Jon Corson-Rikert
    java.lang.NullPointerException
  2. 0

    Moved from https://issues.library.cornell.edu/browse/NIHVIVO-1586, crated 12/23/2010 by Rebecca. Please verify if this is still relevant and close if not. The sequence of events: - log in - navigate to an individual page - click an editing link - fill out form and go away for a while, so the session times out - come back and submit the form The page is messed up (see screenshot) and the source contains the following error message - which is not displayed on the page: <p>There was an error in the system; please try again later.</p> <div> <h3>Exception: </h3>java.lang.NullPointerException</div> <div> <h3>Trace:</h3><pre>java.lang.NullPointerException at org.apache.jsp.edit.editRequestDispatch_jsp._jspService(editRequestDispatch_jsp.java:247) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.PageRoutingFilter.doNonDisplayPage(PageRoutingFilter.java:100) at edu.cornell.mannlib.vitro.webapp.filters.PageRoutingFilter.doFilter(PageRoutingFilter.java:91) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.VitroRequestPrep.doFilter(VitroRequestPrep.java:213) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.WebappDaoFactorySDBPrep.doFilter(WebappDaoFactorySDBPrep.java:109) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.PortalPickerFilter.doFilter(PortalPickerFilter.java:232) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.URLRewriterFilter.doFilter(URLRewriterFilter.java:38) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.JSessionStripFilter.doFilter(JSessionStripFilter.java:60) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.CharsetEncodingFilter.doFilter(CharsetEncodingFilter.java:25) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at edu.cornell.mannlib.vitro.webapp.filters.SessionTimeoutLimitingFilter.doFilter(SessionTimeoutLimitingFilter.java:36) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:680)

    Sakai JIRA | 4 years ago | Jon Corson-Rikert
    java.lang.NullPointerException
  3. 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
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  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
  6. 0

    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.apache.jsp.edit.editRequestDispatch_jsp._jspService()
    2. org.apache.jsp
      editRequestDispatch_jsp._jspService
      1. org.apache.jsp.edit.editRequestDispatch_jsp._jspService(editRequestDispatch_jsp.java:247)
      1 frame
    3. GWT dev
      HttpJspBase.service
      1. org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
      1 frame
    4. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      1 frame
    5. GWT dev
      JspServlet.service
      1. org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
      2. org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
      3. org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
      3 frames
    6. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      1 frame
    7. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    8. edu.cornell.mannlib
      PageRoutingFilter.doFilter
      1. edu.cornell.mannlib.vitro.webapp.filters.PageRoutingFilter.doNonDisplayPage(PageRoutingFilter.java:100)
      2. edu.cornell.mannlib.vitro.webapp.filters.PageRoutingFilter.doFilter(PageRoutingFilter.java:91)
      2 frames
    9. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    10. edu.cornell.mannlib
      VitroRequestPrep.doFilter
      1. edu.cornell.mannlib.vitro.webapp.filters.VitroRequestPrep.doFilter(VitroRequestPrep.java:213)
      1 frame
    11. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    12. edu.cornell.mannlib
      WebappDaoFactorySDBPrep.doFilter
      1. edu.cornell.mannlib.vitro.webapp.filters.WebappDaoFactorySDBPrep.doFilter(WebappDaoFactorySDBPrep.java:109)
      1 frame
    13. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    14. edu.cornell.mannlib
      PortalPickerFilter.doFilter
      1. edu.cornell.mannlib.vitro.webapp.filters.PortalPickerFilter.doFilter(PortalPickerFilter.java:232)
      1 frame
    15. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    16. edu.cornell.mannlib
      URLRewriterFilter.doFilter
      1. edu.cornell.mannlib.vitro.webapp.filters.URLRewriterFilter.doFilter(URLRewriterFilter.java:38)
      1 frame
    17. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    18. edu.cornell.mannlib
      JSessionStripFilter.doFilter
      1. edu.cornell.mannlib.vitro.webapp.filters.JSessionStripFilter.doFilter(JSessionStripFilter.java:60)
      1 frame
    19. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    20. edu.cornell.mannlib
      CharsetEncodingFilter.doFilter
      1. edu.cornell.mannlib.vitro.webapp.filters.CharsetEncodingFilter.doFilter(CharsetEncodingFilter.java:25)
      1 frame
    21. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      2 frames
    22. edu.cornell.mannlib
      SessionTimeoutLimitingFilter.doFilter
      1. edu.cornell.mannlib.vitro.webapp.filters.SessionTimeoutLimitingFilter.doFilter(SessionTimeoutLimitingFilter.java:36)
      1 frame
    23. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
      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:102)
      7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
      8 frames
    24. Grizzly HTTP
      JIoEndpoint$Worker.run
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
      3. org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
      3 frames
    25. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:680)
      1 frame