--17:56:17--  http://localhost/
Resolving localhost... 127.0.0.1
Connecting to localhost|127.0.0.1|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 27 [text/html]
Saving to: `index.html'

100%[=================================================================>] 27          --.-K/s   in 0.002s

17:56:17 (15.4 KB/s) - `index.html' saved [27/27]

[root@localhost ~]# wget http://localhost:8090
--17:56:24--  http://localhost:8090/
Resolving localhost... 127.0.0.1
Connecting to localhost|127.0.0.1|:8090... failed: Connection refused.
[root@localhost ~]# wget http://localhost
一个端口被拒绝了

实在不知楼主是想表达啥，证明8090端口不通吗？或者是其他什么原因。其实不用wget也可以测试端口通否，linux下同样有windows下的一个命令telnet测试端口通否。