java.lang.NullPointerException

Apereo Issues | Alan Berg | 5 years ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    Login as admin Click Manager Users Click Add to my layout Press Add Dialog remains and stack trace in log SEVERE: Servlet.service() for servlet MVCDispatcherServlet threw exception java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:351) at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.getIdentifier(CoreDocumentImpl.java:2020) at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.getElementById(CoreDocumentImpl.java:1964) at org.jasig.portal.layout.dlm.DistributedLayoutManager.getParentId(DistributedLayoutManager.java:1172) at org.jasig.portal.layout.TransientUserLayoutManagerWrapper.getParentId(TransientUserLayoutManagerWrapper.java:235) at org.jasig.portal.layout.dlm.remoting.UpdatePreferencesServlet.isTab(UpdatePreferencesServlet.java:855) at org.jasig.portal.layout.dlm.remoting.UpdatePreferencesServlet.addPortlet(UpdatePreferencesServlet.java:533) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:585) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) 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 org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:70) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:58) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) 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:291) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:679)

    Apereo Issues | 5 years ago | Alan Berg
    java.lang.NullPointerException
  2. 0

    Login as admin Click Manager Users Click Add to my layout Press Add Dialog remains and stack trace in log SEVERE: Servlet.service() for servlet MVCDispatcherServlet threw exception java.lang.NullPointerException at java.util.Hashtable.get(Hashtable.java:351) at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.getIdentifier(CoreDocumentImpl.java:2020) at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.getElementById(CoreDocumentImpl.java:1964) at org.jasig.portal.layout.dlm.DistributedLayoutManager.getParentId(DistributedLayoutManager.java:1172) at org.jasig.portal.layout.TransientUserLayoutManagerWrapper.getParentId(TransientUserLayoutManagerWrapper.java:235) at org.jasig.portal.layout.dlm.remoting.UpdatePreferencesServlet.isTab(UpdatePreferencesServlet.java:855) at org.jasig.portal.layout.dlm.remoting.UpdatePreferencesServlet.addPortlet(UpdatePreferencesServlet.java:533) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436) at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:585) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) 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 org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:70) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:58) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) 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:291) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:679)

    Apereo Issues | 5 years ago | Alan Berg
    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
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  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 | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.util.Hashtable.get()
    2. Java RT
      CoreDocumentImpl.getElementById
      1. java.util.Hashtable.get(Hashtable.java:351)
      2. com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.getIdentifier(CoreDocumentImpl.java:2020)
      3. com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.getElementById(CoreDocumentImpl.java:1964)
      3 frames
    3. org.jasig.portal
      UpdatePreferencesServlet.addPortlet
      1. org.jasig.portal.layout.dlm.DistributedLayoutManager.getParentId(DistributedLayoutManager.java:1172)
      2. org.jasig.portal.layout.TransientUserLayoutManagerWrapper.getParentId(TransientUserLayoutManagerWrapper.java:235)
      3. org.jasig.portal.layout.dlm.remoting.UpdatePreferencesServlet.isTab(UpdatePreferencesServlet.java:855)
      4. org.jasig.portal.layout.dlm.remoting.UpdatePreferencesServlet.addPortlet(UpdatePreferencesServlet.java:533)
      4 frames
    4. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:616)
      4 frames
    5. Spring
      HandlerMethodInvoker.invokeHandlerMethod
      1. org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
      1 frame
    6. Spring MVC
      FrameworkServlet.doPost
      1. org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)
      2. org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)
      3. org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
      4. org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
      5. org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669)
      6. org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:585)
      6 frames
    7. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      2 frames
    8. 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
    9. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:70)
      1 frame
    10. 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
    11. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
      2 frames
    12. 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
    13. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:58)
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
      2 frames
    14. 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
    15. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83)
      2. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
      2 frames
    16. 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
    17. Spring ORM
      OpenEntityManagerInViewFilter.doFilterInternal
      1. org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113)
      1 frame
    18. Spring
      OncePerRequestFilter.doFilter
      1. org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
      1 frame
    19. 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:291)
      8 frames
    20. Grizzly HTTP
      JIoEndpoint$Worker.run
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
      2. org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
      3. org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
      3 frames
    21. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:679)
      1 frame