Documentation for JIRA 4.1. Documentation for other versions of JIRA is available too. 
There are duplicate entries for names and groups in User browser and Group Browser. This is caused by the <install directory>WEB-INF/classes/osuser.xml file having the providers defined twice.
Make sure there are no duplicate entries in WEB-INF/classes/osuser.xml. If the JIRA installation type is WAR/EAR, please re-deploy WAR and restart JIRA. If the solution above does not address problem, try re-indexing JIRA, followed by a restart.
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Severity: Low
Article ID: JIRAKB407599676
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