grails - GORM Stale object exception -

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while inserting record domain object getting error:

row updated or deleted transaction (or unsaved-value mapping incorrect)  stacktrace follows: org.hibernate.staleobjectstateexception: row updated or deleted transaction (or unsaved-value mapping incorrect)

we have simple domain :

user{     string uid     string firstname     string lastname }

while doing :

def user=new user(uid:"testuser", firstname:"test", lastname:"user")

we getting above error.


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