JPA SQL Server No Dialect mapping for JDBC type: -9

Question

Iam writing a native query like

Query query = 
  entityManagerUtil.getEntityManager().createNativeQuery(\"SELECT c.NodeID,c.Code,c.Name FROM COM_Location c\"         


        

Answer 1

I also face the same issue, So i do R&D and got solution as Do explicit cast like cast(t2.name as varchar), It works for me.

cast(t2.name as varchar)

Check this url. http://www.coderanch.com/t/565413/ORM/databases/Dialect-mapping-JDBC-type