按照以下配置，怎么当DB断开又重新启动后，WEB工程还是报错:
ERROR: org.hibernate.util.JDBCExceptionReporter - OALL8 处于不一致状态

只有当TOMCAT重新启动后，WEB工程才可以正常运行。
网上说C3P0可以解决数据库重启后tomcat在不需要重启的情况下即可重新获得数据连接的问题。但为什么不行呢

<bean id="sessionFactory"  
        class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">  
        <property name="dataSource" ref="dataSource"/>  
        <property name="mappingLocations" value="${hibernate.mapping.locations}" />  
        <property name="hibernateProperties">  
            <props>  
                <prop key="hibernate.dialect">  
                    ${hibernate.dialect}  
                </prop>  
                <prop key="hibernate.show_sql">  
                    ${hibernate.show_sql}  
                </prop>  
                <prop key="hibernate.use_sql_comments">  
                    ${hibernate.use_sql_comments}  
                </prop>  
                  
                <prop key="hibernate.connection.provider_class">  
                    org.hibernate.connection.C3P0ConnectionProvider  
                </prop>  
                <!--连接池的最小连接数 -->  
                <prop key="hibernate.c3p0.min_size">  
                    5  
                </prop>  
                <!--最大连接数 -->  
                <prop key="hibernate.c3p0.max_size">  
                    50  
                </prop>  
                <!--连接超时时间 -->  
                <prop key="hibernate.c3p0.timeout">  
                    120  
                </prop>  
                <!--statemnets缓存大小 -->  
                <prop key="hibernate.c3p0.max_statements">  
                    100  
                </prop>  
                <!--每隔多少秒检测连接是否可正常使用 -->  
                <prop key="hibernate.c3p0.idle_test_period">  
                    120  
                </prop>  
                <!--当池中的连接耗尽的时候，一次性增加的连接数量,默认为3 -->  
                <prop key="hibernate.c3p0.acquire_increment">  
                    2  
                </prop>  
                <!-- 每次都验证连接是否可用 -->   
                <prop key="hibernate.c3p0.validate">  
                    true  
                </prop>  
            </props>  
        </property>  
    </bean>