c3p0を使おう

こんなのをhibernate.cfg.xmlに入れる

<property name="hibernate.c3p0.acquire_increment">3</property>
<property name="hibernate.c3p0.idle_test_period">30</property>
<property name="hibernate.c3p0.max_statements">0</property>
<property name="hibernate.c3p0.max_size">100</property>
<property name="hibernate.c3p0.min_size">3</property>
<property name="hibernate.c3p0.timeout">3600</property>