jboss 4.5 sybase jdbc :version 6.5 jboss eclipse ide 3.1 persistence.xml <?xml version="1.0" encoding="UTF-8"?> <persistence-unit name="whhlega"> <jta-data-source>java:SYBASEDS</jta-data-source> </persistence-unit> deploy my project to jboss server will throw follow error message: Hibernate Dialect must be explicitly set for database: Adaptive Server could you tell me how to solve the problem ,if change the database example ms database ,is correct . View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3994146#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...