Performance issues after upgrading to RTC 4.0.x and using LDAP local group mapping file

Flash (Alert)


This alert is meant to inform you about a performance issue that can occur after upgrading IBM Rational Team Concert (RTC) to 4.0.x and using the LDAP local group mapping file with Apache Tomcat.


Update (June 14, 2013) - Adding the following clarification:

This only affects Apache Tomcat users who use the configuration described in the article here:

Configuring the Apache Tomcat LDAPLocalGroup realm

This will not affect IBM WebSphere Application Server (WAS) users.


Users will experience performance issues after Rational Team Concert is upgraded to 4.0.x and when an LDAP local group mapping file is loaded.

This issue has been reported as Defect WI 267282:


  1. Contact IBM Rational Support to request a hotfix to work around this issue.

  2. If you are planning an upgrade to RTC 4.0.x and are concerned about the performance issue, consider delaying your upgrade until a more permanent solution is available.

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Document information

More support for:

Rational Team Concert
General Information

Software version:

4.0, 4.0.1, 4.0.2, 4.0.3

Operating system(s):

AIX, Linux, Solaris, Windows, z/OS

Reference #:


Modified date:


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