PQ62292: ABEND U4039 DUE TO S0C4 IN COMM_OUTBOUND_LOCATE() OFF261A. | |||||||||||||||||||||||||||||||||||||||||
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![]() APAR status Closed as program error. Error description During periods of high storage consumption in the HTTP server, method comm_outbound_locate() generates an S0C4 which produces several CEEDUMPs and then terminates the server with a U4039 abend. The S0C4 occurs because we're trying to store something based off R3, but R3 is zero. The method does not check for out of storage conditions after requesting storage for the buffer.Local fix Problem summary **************************************************************** * USERS AFFECTED: All users of WebSphere Application Server * * V4.0.1 for z/OS and OS/390 * **************************************************************** * PROBLEM DESCRIPTION: ABEND U4039 due to ABENDS0C4/ABEND0C4 * * in method comm_outbound_locate() in * * module bboocomm.cpp * **************************************************************** * RECOMMENDATION: * **************************************************************** When a new thread tries to send an outbound request, it will obtain a thread-based buffer to build messages in. In a storage constrained environment, this buffer may not be able to be obtained. No check was done to ensure the buffer existed before using it, resulting in an 0C4 abend trying to write a message using a zero pointer for the buffer.Problem conclusion Checks were added to module bboocomm.cpp to make sure the buffer was obtained before using it. APAR PQ62292 is associated with SERVICE LEVEL W401081 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: UQ67996 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 #: PQ62292
IBM Group: Software Group
Modified date: Aug 4, 2002
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