Basics - Troubleshooting Hibernate / JDBC Connection Pool Issue

Question

What is Hibernate\'s responsibility in regards to database connections it gets from an underlying connection pool. Does it test to see if a connection is closed before it uses i

Answer 1

We usually work around this by using dbcp, and providing a validationQuery when definining our data source. Then, dbcp will verify the usability of pooled connections by issuing that query (and transparently recreate the connection should it no longer work), prior to returning them to the application.

Check out http://tomcat.apache.org/tomcat-6.0-doc/jndi-datasource-examples-howto.html for more details.