数据源的问题

我在定义datasources的时候在本机的时候用127.0.0.1:3306就行，但是如果使用ip地址192.168.1.55的时候，查看那个输入文件总是显示连接被拒绝（密码和用户都是对的，端口还是3306），两个多小时了，实在没办法了，这是什么情况？？

Start by tracing how the datasource definition handles the configured host and port, using the reported 192.168.1.55:3306 case rather than 127.0.0.1. No source file or test is identified, so first reproduce the connection-refused result and determine the relevant configuration or connection entry point; done means the cause is identified and the remote datasource connection works or the limitation is documented.

Written by the indexing model from the issue text.