Hibernate 4.1.2 hhh000342: Unable to get a connection with query metadata: No drivers suitable for JDBC: HSQLDB: MEM: TEST What did I do wrong? My persistence.xml org.hibernate.ejb.HibernatePersistence User My code … Persistence.cre October 12, 2021By Simo Hibernate 4.1.2, acquisition, connection, data, driver, HHH, hhH000342, Hibernate, HSQLDB, JDBC, MEM, Meta, not found, query, suitable, test, UnableLeave a Comment