c3p0 数据重启 tomcat 正常运行配置

 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">  
  <property name="driverClass"  value="${jdbc.driverClassName}" />  
  <property name="jdbcUrl" value="${jdbc.url}" />
  <property name="user" value="${jdbc.username}"/>
  <property name="password" value="${jdbc.password}"/>
  <property name="minPoolSize" value="10" />
     <property name="maxPoolSize" value="30" />
     <property name="maxIdleTime" value="60" />
     <property name="acquireIncrement" value="2" />
     <property name="maxStatements" value="0" />
     <property name="initialPoolSize" value="5" />
     <property name="idleConnectionTestPeriod" value="60" />  <!--  注意这个-->

     <property name="acquireRetryAttempts" value="30" />  
     <property name="breakAfterAcquireFailure" value="false" />   <!--  注意这个-->
     <property name="testConnectionOnCheckout" value="false" />
 </bean>