PI38066: Request to Prefix mapping of Faces servlet may return a 500 Error.

8.5.5.6: WebSphere Application Server V8.5.5 Fix Pack 6
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
8.5.5.7: WebSphere Application Server V8.5.5 Fix Pack 7
8.5.5.8: WebSphere Application Server V8.5.5 Fix Pack 8
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
8.5.5.9: WebSphere Application Server V8.5.5 Fix Pack 9
8.5.5.10: WebSphere Application Server V8.5.5 Fix Pack 10
8.5.5.11: WebSphere Application Server V8.5.5 Fix Pack 11
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
8.5.5.12: WebSphere Application Server V8.5.5 Fix Pack 12
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
8.5.5.13: WebSphere Application Server V8.5.5 Fix Pack 13
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
8.5.5.15: WebSphere Application Server V8.5.5 Fix Pack 15
8.5.5.17: WebSphere Application Server V8.5.5 Fix Pack 17
8.5.5.20: WebSphere Application Server V8.5.5.20
8.5.5.18: WebSphere Application Server V8.5.5 Fix Pack 18
8.5.5.19: WebSphere Application Server V8.5.5 Fix Pack 19
8.5.5.16: WebSphere Application Server V8.5.5 Fix Pack 16
8.5.5.21: WebSphere Application Server V8.5.5.21

APAR status

• Closed as program error.

Error description

• Request to Prefix mapping of Faces servlet may return a 500
  error.
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  IBM WebSphere Application Server Full       *
  *                  Profile versions 8.0 and 8.5.5 and Liberty  *
  *                  Profile version 8.5.5 users of JavaServer   *
  *                  Faces (JSF) MyFaces 2.0.                    *
  ****************************************************************
  * PROBLEM DESCRIPTION: A request made to the prefix            *
  *                      mapping of the Faces servlet will       *
  *                      cause a loop that ends in a             *
  *                      java.lang.NullPointerException.         *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Attempting to make a  request to the prefix mapping of the
  Faces servlet without specifying a view is considered invalid
  because the JSP view definition language will dispatch to same
  URL. This causes a loop that ends in an exception.
  For example, if the Faces servlet mapping is /faces/*, making
  a request to /faces or /faces/ without a view  will lead to a
  loop that has an execution path similar to the following:
  ...
  at
  javax.faces.webapp.FacesServlet.service(FacesServlet.java:191)
  at
  com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWr
  apper.java:1230)
  at
  com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(Ser
  vletWrapper.java:779)
  at
  com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(Ser
  vletWrapper.java:478)
  at
  com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest
  (ServletWrapperImpl.java:178)
  at
  com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters
  (WebAppFilterManager.java:1114)
  at
  com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(
  WebAppRequestDispatcher.java:1385)
  at
  com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(W
  ebAppRequestDispatcher.java:194)
  at
  org.apache.myfaces.context.servlet.ServletExternalContextImpl.di
  spatch(ServletExternalContextImpl.java:367)
  at
  org.apache.myfaces.view.jsp.JspViewDeclarationLanguage.buildView
  (JspViewDeclarationLanguage.java:94)
  at
  org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(Rend
  erResponseExecutor.java:66)
  at
  org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.
  java:240)
  at
  javax.faces.webapp.FacesServlet.service(FacesServlet.java:191)
  ...
  Eventually, this will lead to a java.lang.NullPointerException
  with a stack trace similar to the following:
  [java.lang.NullPointerException
  at
  org.apache.myfaces.shared_impl.context.flash.FlashImpl.isKeepMes
  sages(FlashImpl.java:394)
  at
  org.apache.myfaces.shared_impl.context.flash.FlashImpl._saveMess
  ages(FlashImpl.java:669)
  at
  org.apache.myfaces.shared_impl.context.flash.FlashImpl.doPostPha
  seActions(FlashImpl.java:275)
  at
  org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.
  java:252)
  at
  javax.faces.webapp.FacesServlet.service(FacesServlet.java:191)
  

Problem conclusion

• The JSF MyFaces code was updated to throw a
  org.apache.myfaces.shared.application.InvalidViewIdException
  if a request is made to the prefix mapping of the Faces Servlet.
  
  The fix for this APAR is currently targeted for inclusion in
  fix pack 8.0.0.11 and 8.5.5.6. Please refer to the Recommended
  Updates page
  for delivery information:
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  WEBSPHERE APP S

• Fixed component ID

  5724J0800

Applicable component levels

• R800 PSY

     UP

• R850 PSY

     UP