[GitHub] [trafficcontrol] guzzijason opened a new issue #3384: Traffic Router: HTTP-routed delivery service handles 'format=json' qstring incorrectly

[GitBox <gi...@apache.org>]

guzzijason opened a new issue #3384: Traffic Router: HTTP-routed delivery service handles 'format=json' qstring incorrectly
URL: https://github.com/apache/trafficcontrol/issues/3384
 
 
   Observed in Traffic Router 2.3.1-9053
   
   When sending query string `?format=json` in a request to a non-steering HTTP-routed DS (HTTP_LIVE_NATIONAL in this case), TR intercepts this request and does not redirect as expected. Only seems to happen with json.
   
   Examples of correct behavior:
   ```
   jtucke01@ARGO ~$ curl -I -X GET 'http://ccr.[REDACTED]/foo/bar'
   HTTP/1.1 302 Found
   Location: http://[REDACTED]/foo/bar
   Content-Length: 0
   Date: Wed, 06 Mar 2019 21:54:04 GMT
   
   jtucke01@ARGO ~$ curl -I -X GET 'http://ccr.[REDACTED]/foo/bar?format=xml'
   HTTP/1.1 302 Found
   Location: http://[REDACTED]/foo/bar?format=xml
   Content-Length: 0
   Date: Wed, 06 Mar 2019 21:54:08 GMT
   ```
   Example of unexpected behavior:
   ```
   jtucke01@ARGO ~$ curl -I -X GET 'http://ccr.[REDACTED]/foo/bar?format=json'
   HTTP/1.1 200 OK
   Content-Type: application/json
   Content-Length: 101
   Date: Wed, 06 Mar 2019 21:55:46 GMT
   ```

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