[jira] [Created] (TS-2233) response Content-Type does not match request Accept header will cause cache be purged

["CCN (JIRA)" <ji...@apache.org>]

CCN created TS-2233:
-----------------------

             Summary: response Content-Type does not match request Accept header will cause cache be purged
                 Key: TS-2233
                 URL: https://issues.apache.org/jira/browse/TS-2233
             Project: Traffic Server
          Issue Type: Bug
          Components: Cache, MIME
            Reporter: CCN


for example:
http://l.yimg.com/f/i/tw/hp/mh/12purple.gif (Logo of Yahoo Taiwan)

find out all ATS nodes
$ for i in {1..100}; do curl -I -s 'http://l.yimg.com/f/i/tw/hp/mh/12purple.gif'; done | grep 'Via' | sort | uniq | sort
Via: http/1.1 l1.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l10.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l11.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l2.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l3.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l4.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l5.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l6.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l7.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l8.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)
Via: http/1.1 l9.ycs.tw1.yahoo.com (ApacheTrafficServer/3.2.0)

get Age of object in echo ATS node
$ for i in {1..11}; do curl -I -H 'Host: l.yimg.com' -s 'http://l'$i'.ycs.tw1.yahoo.com/f/i/tw/hp/mh/12purple.gif'; done | grep 'Age:'
Age: 49602
Age: 48682
Age: 257504
Age: 44458
Age: 261830
Age: 270660
Age: 43318
Age: 253053
Age: 210397
Age: 500315
Age: 268288

send a request with Accept Header does not match response Content-Type
$ for i in {1..11}; do curl -H 'Accept: text/html' -H 'Host: l.yimg.com' -s 'http://l'$i'.ycs.tw1.yahoo.com/f/i/tw/hp/mh/12purple.gif' > /dev/null; done

get Age of object in echo ATS node (again)
$ for i in {1..11}; do curl -I -H 'Host: l.yimg.com' -s 'http://l'$i'.ycs.tw1.yahoo.com/f/i/tw/hp/mh/12purple.gif'; done | grep 'Age:'
Age: 2
Age: 2
Age: 2
Age: 2
Age: 2
Age: 2
Age: 2
Age: 1
Age: 1
Age: 1
Age: 1


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