Content-Disposition with fixed file name "f.txt" causes confusion

$ curl -v localhost:8888/foo/bar/master/application.yml
* Hostname was NOT found in DNS cache
*   Trying 127.0.0.1...
* Connected to localhost (127.0.0.1) port 8888 (#0)
> GET /foo/bar/master/application.yml HTTP/1.1
> User-Agent: curl/7.35.0
> Host: localhost:8888
> Accept: */*
> 
< HTTP/1.1 200 OK
* Server Apache-Coyote/1.1 is not blacklisted
< Server: Apache-Coyote/1.1
< X-Application-Context: configserver:8888
< Content-Disposition: attachment;filename=f.txt
< Content-Type: text/plain;charset=UTF-8
< Content-Length: 120
< Date: Wed, 04 Nov 2015 14:48:09 GMT
< 
...

@RequestMapping("/{name}/{profile}/{label}/{path:.*}")