Oracle GlassFish Server 3.0.1 Application Development Guide

Testing a JDBC Connection Pool

You can test a JDBC connection pool for usability in one of these ways:

Both these commands fail and display an error message unless they successfully connect to the connection pool.

You can also specify that a connection pool is automatically tested when created or reconfigured by setting the Ping attribute to true (the default is false) in one of the following ways: