PM86580: SYTEMOUT.LOG CONTAINS MANY OCCURRENCES OF THE WARNING: SRVE8094W WARNING: CANNOT SET HEADER. RESPONSE ALREADY COMMITTED

APAR status

• Closed as program error.

Error description

• PROBLEM:   SystemOut.log contains many occurrences of the
  warning:
  SRVE8094W:  WARNING: Cannot set header. Response already
  committed.
  -related to known apache issue:
  Add new Web Context Parameter to set Resource Buffer Size to
  prevent the "WARNING: Cannot set header. Response already
  committed." message for JSF resources. This message in the log
  is known to occur on WebSphere Application Server but may
  also occur on other application servers.
  https://issues.apache.org/jira/browse/MYFACES-3695
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server Liberty Profile                      *
  ****************************************************************
  * PROBLEM DESCRIPTION: A lot of warning messages are logged    *
  *                      about a header that can not be set.     *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  While handling a resource using the JSF MyFaces'
  ResourceHandler, it sets the content length header after the
  response is already committed, resulting in a warning message:
  "WARNING: Cannot set header. Response already committed."
  

Problem conclusion

• The following fix was pulled into WebSphere Application Server
  from the Apache MyFaces Open Source Community to resolve this
  problem:
  
  https://issues.apache.org/jira/browse/MYFACES-3695
  
  The fix for this APAR is currently targeted for inclusion in
  fix pack 8.5.5.1. 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:

  PM84636

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

Fix information

• Fixed component name

  LIBERTY PROFILE

• Fixed component ID

  5724J0814

Applicable component levels

• R850 PSY

     UP