CR 2.3.5: could not execute JDBC batch update

Please refer to http://forums.atlassian.com/thread.jspa?threadID=45785&tstart=0

CR 2.3.5 with ClearCase 7.0.1 on RHEL5, when the designer tries to create a review from an activity, Crucible returns the error with log below:

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Your request was unable to be processed
Javax.el.ELException

• org.hibernate.exeception.DataException: could not execute JDBC batch update.
• could not execute JDBC batch update
• Data truncation: Data too long for column 'cru_revision' at low 1

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In this clearcase activity, there are around 30 files with deep directory structure and quite long branch name.