JPA Hibernate Call Postgres Function Void Return MappingException:

Question

I have a problem where I am getting an: org.hibernate.MappingException: No Dialect mapping for JDBC type: 1111 when trying to call a postgres function using JPA cre

Answer 1

It seems that the problem occurs when the postgres stored procedure returns void. Try to change the return type to return some dummy value, perhaps a string. This worked in my case.