Hibernate – Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1

Without code and mappings for your transactions, it’ll be next to impossible to investigate the problem.

However, to get a better handle as to what causes the problem, try the following:

  • In your hibernate configuration, set hibernate.show_sql to true. This should show you the SQL that is executed and causes the problem.
  • Set the log levels for Spring and Hibernate to DEBUG, again this will give you a better idea as to which line causes the problem.
  • Create a unit test which replicates the problem without configuring a transaction manager in Spring. This should give you a better idea of the offending line of code.

Hope that helps.

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