On Tue, 2017-07-25 at 11:32 +0200, Adam Šlachta wrote: > Hello, > > In short: Is there any way how to setup PostgreSql 9.6 to always > start a transaction in WRITE mode? > > Our related configuration: > "default_transaction_isolation" --> "read committed" > "default_transaction_read_only" --> "off" > > > Longer description (for those who are interested, since it is not > only PostgreSQL related): > > We are facing problems with "cannot execute <UPDATE/INSERT/DELETE> in > a read-only transaction" exception > (org.postgresql.util.PSQLException). > It is very likely the problem is caused by our code, however at the > moment the fastest solution before we solve the things properly would > be to setup WRITE mode for all started transactions on a database- > setup-level. > > SW we use: > -> Java 8 > -> Hibernate 5.1.2 > -> spring-data-jpa 1.10.4.RELEASE > -> spring-beans, spring-core, other spring stuff of version > 4.2.8.RELEASE > > Related configuration (I don't want to spam here with long list of > configuration files so I pick-up what I consider important): > Hibernate -> first & second level cache switched OFF > SessionFactory -> > org.springframework.orm.hibernate5.LocalSessionFactoryBean > transactionManager -> > org.springframework.orm.jpa.JpaTransactionManager > Spring @Transactional(read-only) hint -> where we could we set it to > "false" > Our typical @Repository extends > org.springframework.data.jpa.repository.JpaRepository, which uses > implementation from > org.springframework.data.jpa.repository.support.SimpleJpaRepository. > > Thank you very much for any hints. > Adam Slachta > > Hello Adam, There is a Hibernate parameter that overrides the database's default isolation level:- hibernate.connection.isolation Are you certain that second level caching is off? You can make a class in a cache immutable by:- <cache usage="read-only"/> Don't know if that helps but your problem seems to be a configuration issue in Hibernate. Cheers, Rob -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general