Performance degradation after upgrading to Crowd 1.6.1 (or later)
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Symptoms
Authentication and permission checking with the integrated applications is very slow after a recent upgrade.
Cause
The integrated applications are still using the old crowd-ehcache.xml file.
Resolution
Since Crowd 1.6.1 had many improvements on the Integration Client jar, a new crowd-ehcache.xml file is necessary to guarantee that the client cache will work properly and that its new behaviors are going to work as expected.
To solve the problem, copy file <Crowd-Installation-Directory>/client/conf/crowd-ehcache.xml to your <Application>/.../WEB-INF/classes folder.
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