我使用Java与MySQL连接，Json将数据发送到android，当我通过URL地址将数据从Java发送到json时:http://192.168.1.221:9999/rentalcar_service/category/getAllManufacturer一切正常，但是当我在Android中解析数据时，我收到如下错误结果:privatestaticfinalStringURL_MANUFACTURERS="http://192.168.1.221:9999/rentalcar_service/category/getAllManufacturer";日志:W/System.err