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![]() APAR status Closed as program error. Error description When running a java program on a distributed platform (windows, aix, sun) accessing an initial context on WebSphere for z/OS, z/OS does not respond when contacted. The Daemon on WebSphere for z/OS generates a "Internal communications error: REASON=C9C20C1F." in the system output for the daemon.Local fix Problem summary **************************************************************** * USERS AFFECTED: All users of WebSphere Application Server * * V4.0.1 for z/OS and OS/390 * **************************************************************** * PROBLEM DESCRIPTION: Requests sent to Daemon may fail with * * message BBOU0051E, reason code * * C9C20C1F. * **************************************************************** * RECOMMENDATION: * **************************************************************** To determine if the response message will fit in the allocated buffer, we determine the buffer length by looking at the first four bytes, as if they were a sequence octet. However, the first four bytes do not contain a length; instead, they contain the ASCII text 'GIOP' or '47494F50'x. When added to the buffer address, this value may, if the buffer address happens to be greater than '38B6B0B0'x, result in an end-of-buffer address beyond '80000000'x, which appears to be negative when used in a conditional. This results in a determination that the reponse will not fit in the allocated buffer; the BBOU0051E message is then being issued and the request fails.Problem conclusion The buffer size calculation has been modified to use the actual buffer length rather than incorrectly examining its contents to determine the length. APAR PQ60280 is associated with SERVICE LEVEL W401055 of WebSphere Application Server V4.0.1 for z/OS and OS/390.Temporary fix Comments
APAR is sysrouted FROM one or more of the following: APAR is sysrouted TO one or more of the following: UQ65765 Modules/Macros
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Document Information |
Product categories: Software > Application Servers >
Distributed Application & Web Servers > WebSphere Application
Server for z/OS
Operating system(s):
Software version: 401
Software edition:
Reference #: PQ60280
IBM Group: Software Group
Modified date: Jun 5, 2002
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