Unable to login when a user is associated to a group with apostrophe in its name

1. Create as group - "journalist's team"
2. Assign right permissions to group
3. Create a new user and assign it to above group "journalist's team"
4. Log-in using the new user

Expected - User should login successfully
Actual - Unable to login, below error is shown.

[INFO] [talledLocalContainer] 26.03.2013 18:06:34 ERROR [org.hippoecm.frontend.model.map.JcrMap.get():303] This session has been closed. See the chained exception for a trace of where the session was closed.

26.03.2013 18:06:34 INFO [org.hippoecm.repository.audit.AuditLogger.logHippoEvent():39]

{"message":"login successful","timestamp":1364317594271,"category":"security","application":"cms","remoteAddress":"0:0:0:0:0:0:0:1","action":"login","user":"newuser02","success":true}

26.03.2013 18:06:34 INFO [org.hippoecm.repository.audit.AuditLogger.logHippoEvent():39]

{"message":"logout","timestamp":1364317594307,"category":"security","application":"cms","remoteAddress":"0:0:0:0:0:0:0:1","action":"logout","user":"newuser02","success":true}