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I'm trying to authenticate Gerrit users using ldap against Active Directory. I get the following error.

ERROR com.google.gerrit.server.cache.PopulatingCache : Cannot lookup CN%3DORG+%C3%96resund+ALL%2COU%3DOrganisation%2COU%3DGroups%2COU%3DOther%2C DC%3Dcompany%2CDC%3Dcom in "groups_byext" net.sf.ehcache.CacheException: Could not fetch object for cache entry with key "CN%3DORG+%C3%96resund+ALL%2COU%3DOrganisation%2COU%3DGroups%2COU%3DOther%2CDC%3Dcompany%2CDC% 3Dcom".

...

Caused by: java.sql.SQLException: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='

I am not very experienced in mysql or Active Directory, so I'm pretty much clueless on this issue.

Any suggestions of what the problem might be?

  • I should add that I have successfully authenticated against an OpenLDAP server. (Experimental setup only.) – Robert Apr 13 '11 at 12:16
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That is a MySQL error, not an LDAP error. Sounds like you're getting a list of groups, but it can't check against its local group permission table because the database connection is using the wrong encoding.

This thread suggests a solution in the JDBC connection string in gerrit.conf:

url = jdbc:mysql://foo/reviewdb?user=x&password=y&useUnicode=false&characterEncoding=latin1 
  • Thanks, I have tried that. Still the same error. The reason why I tagged the question with ldap is that the error stems from the authentication over LDAP. – Robert Apr 13 '11 at 12:12

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