fix: share one connection between Hibernate and JDBC DHIS2-22067 [43] - #25070
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) JpaTransactionManager was created without a DataSource, so Spring never registered a ConnectionHolder under the DataSource key. Every @transactional method mixing Hibernate and a plain JdbcTemplate took a second connection from the same pool which was not enlisted in the transaction: its statements commit immediately and a rollback does not cover them. This is why the org unit merge can destroy data. Its JDBC deletes of datavalue and dataapproval commit as they run, so a later failure rolls back the Hibernate work while the deleted rows stay gone. Introduced in 2.41 by 6eb421d (#14626, TECH-1517), which swapped HibernateTransactionManager for JpaTransactionManager and dropped its setDataSource call.
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ameenhere
approved these changes
Sep 9, 2026
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backport of #25041