Apart from setting the properties below (which are documented):
<!-- configuration pool via c3p0-->
<property name="c3p0.acquire_increment">1</property>
<property name="c3p0.idle_test_period">100</property> <!-- seconds -->
<property name="c3p0.max_size">100</property>
<property name="c3p0.max_statements">0</property>
<property name="c3p0.min_size">10</property>
<property name="c3p0.timeout">100</property> <!-- seconds -->
You must also set the following (un-documented) property:
<property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>
If you do not set the provider_class property hibernate will continue to us the built-in connection pool!
2 comments:
Thank you very much, that helped me!
don't forget to mention that the newer 3.x versions of hibernate require another jar file hibernate-c3p0-3.x. it provides the org.hibernate.connection.C3P0ConnectionProvider class that used to be included in the core.
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