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PI22640: NullPointerException occurs when caching and tracing are enabled

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Abstract

NullPointerExceptions are observed when proxy server caching and tracing are enabled.

Download Description

PI22640 resolves the following problem:

ERROR DESCRIPTION:
A NullPointerException occurs when caching is enabled and the proxy server has tracing enabled. The NPE is in CFW code.

LOCAL FIX:

PROBLEM SUMMARY

USERS AFFECTED:
All users of IBM WebSphere Application Server using the proxy server with caching and tracing enabled.

PROBLEM DESCRIPTION:
NullPointerExceptions are observed when proxy server caching and tracing are enabled.

RECOMMENDATION:
None

When caching is enabled on the proxy server a new HTTP message object may be allocated that is not initialized. A NullPointerException occurs when the object is then used with tracing. The newly allocated HTTP message is never actually used.

PROBLEM CONCLUSION:
The proxy server will not allocate a new HTTP message object.

The fix for this APAR is currently targeted for inclusion in fix pack 8.5.5.4. Please refer to the Recommended Updates page for delivery information:
http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980

Prerequisites

None

Installation Instructions

Please review the readme.txt for detailed installation instructions.

[{"INLabel":"Readme","INLang":"US English","INSize":"3311","INURL":"ftp://public.dhe.ibm.com/software/websphere/appserv/support/fixes/PI22640/8.5.5.3/readme.txt"}]
On
[{"DNLabel":"8.5.0.0-WS-WASND-IFPI22640","DNDate":"09-09-2014","DNLang":"US English","DNSize":"251303","DNPlat":{"label":"AIX","code":"PF002"},"DNURL":"http://www-933.ibm.com/eserver/support/fixes/fixcentral/swgquickorder?fixes=8.5.0.0-WS-WASND-IFPI22640&productid=WebSphere%20Application%20Server&brandid=5","DNURL_FTP":null,"DDURL":null},{"DNLabel":"8.5.5.0-WS-WASND-IFPI22640","DNDate":"09-09-2014","DNLang":"US English","DNSize":"255252","DNPlat":{"label":"AIX","code":"PF002"},"DNURL":"http://www-933.ibm.com/eserver/support/fixes/fixcentral/swgquickorder?fixes=8.5.5.0-WS-WASND-IFPI22640&productid=WebSphere%20Application%20Server&brandid=5","DNURL_FTP":null,"DDURL":null}]

Technical Support

Contact IBM Support using SR (http://www.ibm.com/software/support/probsub.html), visit the WebSphere Application Server support web site (http://www.ibm.com/software/webservers/appserv/was/support/), or contact 1-800-IBM-SERV (U.S. only).

[{"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Proxy server","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"8.5;8.5.0.1;8.5.0.2;8.5.5;8.5.5.1;8.5.5.2;8.5.5.3","Edition":"Network Deployment","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
15 June 2018

UID

swg24038368

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