[jboss-user] [EJB 3.0] - Re: Problems updating hibernate

[david.spark]

Not sure if it's the same cause but I had a 
java.lang.NoSuchMethodException: org.hibernate.validator.ClassValidator.<init>
 error when trying to update Hibernate and it turned out to be that my update method was to rename the old jar file (e.g. add an extension of .old) then copy the new file across. I finally realised that the .old files were still being scanned and removing them fixed the problem.

I guess the thing to therefore check is that no previous versions of the libraries are in the path somewhere.

Also in my case it seemed to work OK without replacing anything in the client folder, is this necessary or not?

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