tomcat与mysql连接隔段时间没有访问总是自动断

      
        <
      
      
        property 
      
      
        name
      
      
        ="hibernate.connection.provider_class"
      
      
        >
      
      org.hibernate.connection.C3P0ConnectionProvider
      
        </
      
      
        property
      
      
        >
      
      
        <
      
      
        property 
      
      
        name
      
      
        ="hibernate.c3p0.min_size"
      
      
        >
      
      8
      
        </
      
      
        property
      
      
        >
      
      
        <
      
      
        property 
      
      
        name
      
      
        ="hibernate.c3p0.max_size"
      
      
        >
      
      200
      
        </
      
      
        property
      
      
        >
      
      
        <
      
      
        property 
      
      
        name
      
      
        ="hibernate.c3p0.timeout"
      
      
        >
      
      600
      
        </
      
      
        property
      
      
        >
      
      
        <
      
      
        property 
      
      
        name
      
      
        ="hibernate.c3p0.max_statements"
      
      
        >
      
      0
      
        </
      
      
        property
      
      
        >
      
      
        <
      
      
        property 
      
      
        name
      
      
        ="hibernate.c3p0.idle_test_period"
      
      
        >
      
      60
      
        </
      
      
        property
      
      
        >
      
      
        <
      
      
        property 
      
      
        name
      
      
        ="hibernate.c3p0.acquire_increment"
      
      
        >
      
      2
      
        </
      
      
        property
      
      
        >
      
      
        <
      
      
        property 
      
      
        name
      
      
        ="hibernate.c3p0.validate"
      
      
        >
      
      true
      
        </
      
      
        property
      
      
        >