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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6151

Manager servlet behaves bad in IE without an "Expires: -1" http header

           Summary: Manager servlet behaves bad in IE without an "Expires: -
                    1" http header
           Product: Tomcat 4
           Version: 4.0.1 Final
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Minor
          Priority: Other
         Component: Webapps
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


In IE 5.5 very confusing behaviour happens: I run the manager servlet,
press "Reload" on one of my webapps and see that it has reloaded okay.
Then I press "Reload" again, but IE gives me the cached variant of the page, so 
webapp does not really get reloaded. Very confusing!!!
Similar problem should happen with other actions in the manager servlet.
(This problem does not happen in NN, cause IE and NN treat pages without an 
Expires header differently: NN treats them as pre-expired, IE treats them as 
always valid.

A cure could be to add response.setHeader("Expires","-1") in any page generated 
by the servlet. (maybe "Cache-Control: none", "Pragma: no-cache" too).

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