PQ74517: CALLING GETSESSION() AFTER CALLING SESSION.INVALIDATE() CAUSES APERFORMANCE SLOWDOWN | |||||||||||||||||||||||||||||||||||||||||||||
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![]() APAR status Closed as program error. Error description The following pattern causes a performance degradation. Server code invalidates the HttpSession by calling session.invalidate() and then calls getSession(). The performance degradates after repeating this pattern.Local fix Problem summary **************************************************************** * USERS AFFECTED: WebSphere Application Server users of * * session tracking with logout and login. * **************************************************************** * PROBLEM DESCRIPTION: After a session.invalidate() method is * * called, the method call getSession() * * will have a performance slow down * * under a stress test. * **************************************************************** * RECOMMENDATION: * **************************************************************** The problem is caused by the searching of the session ID from other servers. The session.invalidate() method will first be disabled but the next jsp being displayed and the server tried to retrieve the session from all the servers.Problem conclusion Try not to remove the session ID immediately after invlidating it.Temporary fix WAS_Sessions_06-11-2003_5.0.1-5.0.0_cumulative_Fix.jarComments
APAR is sysrouted FROM one or more of the following: APAR is sysrouted TO one or more of the following: Modules/Macros
Publications Referenced
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Product categories: Software > Application Servers >
Distributed Application & Web Servers > WebSphere Application
Server > General
Operating system(s):
Software version: 00I
Software edition:
Reference #: PQ74517
IBM Group: Software Group
Modified date: Jul 31, 2003
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