PM76165: A WEB SERVICE REQUEST WHOSE CONTENT IS COMPRESSED WITH GZIP FAILS ON Z/OS

8.5.0.2: WebSphere Application Server V8.5 Fix Pack 2
8.0.0.6: WebSphere Application Server V8.0 Fix Pack 6
8.0.0.7: WebSphere Application Server V8.0 Fix Pack 7
8.0.0.8: WebSphere Application Server V8.0 Fix Pack 8
8.0.0.9: WebSphere Application Server V8.0 Fix Pack 9
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15

APAR status

• Closed as program error.

Error description

• The control region will show this error:
  SourceId: com.ibm.ws.http.channel.inbound.impl.HttpInboundLink
  
  ExtendedMessage: close() in error state,
  java.lang.IllegalArgumentException: The specified byte buffer
  is not direct
  
  And a FFDC gets created:
  
  FFDC Exception:java.lang.IllegalArgumentException
  SourceId:com.ibm.ws390.xmem.proxy.XMemProxyConnLink.
  flattenAndQu eueRequest ProbeId:1229
  java.lang.IllegalArgumentException: The specified byte buffer
  is not direct
   at com.ibm.jtc.adapter.DefaultPlatformAdapter.
       getByteBufferAddress(DefaultPlatformAdapter.java:122
   at com.ibm.ws390.xmem.proxy.channel.XMemProxyCRInboundConnLink.
       flattenAndQueueRequest
  

Local fix

• Disable Autodecompression via the admin console:
   Application servers > ServerName > Web container transport
  chains > WCInboundDefault > HTTP inbound channel (HTTP_2) >
  Custom properties:
  
  name: AutoDecompression
  value: false
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server Version 8.0 and 8.5 on z/OS          *
  ****************************************************************
  * PROBLEM DESCRIPTION: Decompression of the request body       *
  *                      will fail with an                       *
  *                      IllegalArgumentException                *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  During decompression of the request body the HTTP Channel will
  return a buffer that is not direct, this results in an
  IllegalArgumentException
  

Problem conclusion

• HTTP Channel decompression will now return a direct buffer
  when on z/OS
  
  APAR PM76165 is currently targeted for inclusion in
  Fix Packs 8.0.0.6 and 8.5.0.2 of WebSphere Application
  Server.
  
  Please refer to the Recommended Updates page for delivery
  information:
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  
  In addition, please refer to URL:
  http://www.ibm.com/support/docview.wss?rs=404&uid=swg27006970
  for Fix Pack PTF information.
  

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 FOR Z

• Fixed component ID

  5655I3500

Applicable component levels

• R850 PSY

     UP