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This question is in reference to Atlassian Documentation: JIRA Login fails with 'User exists but has no unique key mapping'
We are facing the problem mentioned in symptom 2 very often. Is there any way to clear the User-Cache, without restarting JIRA?
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The command line entry above didn't clear the user cache for me. I have a case where I had to change the user directory of a bunch of users from internal to internal with LDAP, so I changed the directory in cwd_user and cwd_user_attribute. But the cache meant the users still showed as Internal in Confluence. So here's what I did:
That forced the cache to refresh and the users then showed as part of the new directory in Confluence. That saved us from rebooting.
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Run below command on Server. It drops cache without restarting. It worked for us and Jira performance improved.
sync; echo 1 > /proc/sys/vm/drop_caches
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