“Not supported for DML operations” with simple UPDATE query

I’m getting the error Not supported for DML operations when I use the following HQL…

@Query("UPDATE WorkstationEntity w SET w.lastActivity = :timestamp WHERE w.uuid = :uuid")
void updateLastActivity(@Param("uuid") String uuid, @Param("timestamp") Timestamp timestamp);

What could be causing the issue? It doesn’t seem to be a common error given the few results I’ve found in Google.

Answer

Check the post hibernate hql ERROR: Not supported for DML operations in the hibernate users forum.

Most likely you called

querySt.list();

for your UPDATE query. Instead you should call

querySt.executeUpdate();

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