java.lang.NullPointerException: context

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    Root Cause Analysis

    1. java.lang.NullPointerException

      context

      at javax.faces.component.UIComponentBase.getRenderer()
    2. JavaEE 7
      UIComponent.encodeAll
      1. javax.faces.component.UIComponentBase.getRenderer(UIComponentBase.java:862)
      2. javax.faces.component.UIComponentBase.getRendersChildren(UIComponentBase.java:350)
      3. javax.faces.component.UIComponent.encodeAll(UIComponent.java:248)
      3 frames
    3. Impl
      LifecycleImpl.render
      1. org.apache.myfaces.application.jsp.JspViewHandlerImpl.actuallyRenderView(JspViewHandlerImpl.java:427)
      2. org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:383)
      3. org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
      4. org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:140)
      4 frames
    4. JavaEE 7
      FacesServlet.service
      1. javax.faces.webapp.FacesServlet.service(FacesServlet.java:182)
      1 frame
    5. Impl
      MyFacesServlet.service
      1. org.apache.myfaces.webapp.MyFacesServlet.service(MyFacesServlet.java:103)
      1 frame
    6. 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:102)
      7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
      8 frames
    7. 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
    8. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:619)
      1 frame