org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [duplicate_entry]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement

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Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [duplicate_entry]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement
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Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: A different object with the same identifier value was already associated with the session : [blah.payment.PaymentFailure
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Request processing failed; nested exception is org.springframework.orm.ObjectOptimisticLockingFailureException: Object of class [gus.model.Person] with identifier [cd8973f6-fcc4-44e3-9692-fb5c4c81ac58]: optimistic locking failed; nested exception is
via Stack Overflow by Sam Jones
, 2 years ago
Request processing failed; nested exception is java.lang.NullPointerException
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, 2 years ago
Request processing failed; nested exception is org.springframework.transaction.UnexpectedRollbackException: JTA transaction unexpectedly rolled back (maybe due to a timeout); nested exception is bitronix.tm.internal.BitronixRollbackException: transaction was marked as rollback only and has been rolled back
via Stack Overflow by valik
, 1 month ago
Request processing failed; nested exception is java.lang.StringIndexOutOfBoundsException: String index out of range: -8
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [duplicate_entry]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:980)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.springframework.mock.web.MockFilterChain$ServletFilterProxy.doFilter(MockFilterChain.java:167)
at org.springframework.mock.web.MockFilterChain.doFilter(MockFilterChain.java:134)

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