java.lang.UnsupportedOperationException: Cannot remove ServletRequest Parameter

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    Root Cause Analysis

    1. java.lang.UnsupportedOperationException

      Cannot remove ServletRequest Parameter

      at org.apache.myfaces.context.servlet.RequestParameterMap.removeAttribute()
    2. Impl
      AbstractAttributeMap.remove
      1. org.apache.myfaces.context.servlet.RequestParameterMap.removeAttribute(RequestParameterMap.java:50)
      2. org.apache.myfaces.context.servlet.AbstractAttributeMap.remove(AbstractAttributeMap.java:121)
      2 frames
    3. com.icesoft.faces
      D2DViewHandler.restoreView
      1. com.icesoft.faces.application.D2DViewHandler.restoreView(D2DViewHandler.java:180)
      1 frame
    4. Impl
      LifecycleImpl.execute
      1. org.apache.myfaces.lifecycle.LifecycleImpl.restoreView(LifecycleImpl.java:141)
      2. org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:66)
      2 frames
    5. JavaEE 7
      FacesServlet.service
      1. javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
      1 frame
    6. 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
    7. org.jboss.seam
      SeamExceptionFilter.doFilter
      1. org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:46)
      1 frame
    8. 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
    9. JBoss Application Server Tomcat
      ReplyHeaderFilter.doFilter
      1. org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
      1 frame
    10. Glassfish Core
      StandardContextValve.invoke
      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)
      4 frames
    11. JBoss Application Server Tomcat
      JaccContextValve.invoke
      1. org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
      2. org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
      2 frames
    12. Glassfish Core
      ErrorReportValve.invoke
      1. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
      2. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
      2 frames
    13. org.jboss.web
      CachedConnectionValve.invoke
      1. org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
      1 frame
    14. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
      2. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
      2 frames
    15. Grizzly HTTP
      MasterSlaveWorkerThread.run
      1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
      2. org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
      3. org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
      4. org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
      4 frames
    16. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:595)
      1 frame