Changing Crowd based user directory settings results in system crash
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
When attempting to edit the details of User Directory established to connect to Crowd, a system error page is thrown in the browser and Confluence crashes.
The following appears in the atlassian-confluence.log:
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2012-04-03 11:49:41,643 ERROR [http-7020-4] [sf.hibernate.util.JDBCExceptionReporter] logExceptions ERROR: duplicate key value violates unique constraint "cwd_directory_lower_directory_name_key"
-- referer: http://xxx.xxx.xxx.xxx/plugins/servlet/embedded-crowd/configure/crowd/ | url: /plugins/servlet/embedded-crowd/configure/crowd/ | userName: xxxxxxx
Resolution
Delete the entry for the crowd connection in Confluence Admin>>User Directories
Recreate the entry for the crowd connection (Crowd User Directory)
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