ssh框架下使用c3p0连接池启动tomcat服务器报出如下错误:The web application [RupengElec] appears to have started a thread named [MySQL Statement Cancellation Timer] but has failed to stop it. This is very likely to create a memory leak.
请问这个错误是什么引起的,如何解决?
<!-- c3p0数据库连接池配置 -->
<bean name="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="jdbcUrl"
value="jdbc:mysql://localhost:3306/ElecProject?useUnicode=true&characterEncoding=utf8"></property>
<property name="driverClass" value="com.mysql.jdbc.Driver"></property>
<property name="user" value="root"></property>
<property name="password" value="root"></property>
<property name="initialPoolSize" value="5"></property>
<property name="maxPoolSize" value="30"></property>
<property name="minPoolSize" value="3"></property>
</bean>