C3P0又出現一個問題，如下的Exception:
org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: An SQLException was provoked by the following failure: com.mchange.v2.resourcepool.ResourcePoolException: Attempted to use a closed or broken resource pool
Caused by:
java.sql.SQLException: An SQLException was provoked by the following failure: com.mchange.v2.resourcepool.ResourcePoolException: Attempted to use a closed or broken resource pool
經Google大神裁示，應該再加以下的property，特別是false的部份。
<property name="acquireRetryAttempts">
<value>30</value>
</property>
<property name="acquireRetryDelay">
<value>100</value>
</property>
<property name="breakAfterAcquireFailure">
<value>false</value>
</property>