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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Moved] (HADOOP-8998) send Cache-Control header on JSP pages
Date Wed, 31 Oct 2012 16:25:13 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins moved HDFS-4042 to HADOOP-8998:
-------------------------------------------

          Component/s:     (was: data-node)
                           (was: name-node)
    Affects Version/s:     (was: 2.0.2-alpha)
                       2.0.2-alpha
           Issue Type: Improvement  (was: Bug)
                  Key: HADOOP-8998  (was: HDFS-4042)
              Project: Hadoop Common  (was: Hadoop HDFS)
    
> send Cache-Control header on JSP pages
> --------------------------------------
>
>                 Key: HADOOP-8998
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8998
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.0.2-alpha
>            Reporter: Andy Isaacson
>            Assignee: Alejandro Abdelnur
>            Priority: Minor
>
> We should send a Cache-Control header on JSP pages so that HTTP/1.1 compliant caches
can properly manage cached data.
> Currently our JSPs send:
> {noformat}
> % curl -v http://nn1:50070/dfshealth.jsp
> ...
> < HTTP/1.1 200 OK
> < Content-Type: text/html; charset=utf-8
> < Expires: Thu, 01-Jan-1970 00:00:00 GMT
> < Set-Cookie: JSESSIONID=xtblchjm7o7j1y1f33r0mpmqp;Path=/
> < Content-Length: 3651
> < Server: Jetty(6.1.26)
> {noformat}
> Based on a quick reading of RFC 2616 http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
I think we want to send {{Cache-Control: private, no-cache}} but I could be wrong.  The Jetty
docs http://docs.codehaus.org/display/JETTY/LastModifiedCacheControl indicate this is fairly
straightforward.

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