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Posted to dev@tomcat.apache.org by bu...@apache.org on 2006/02/06 16:58:10 UTC
DO NOT REPLY [Bug 38532] New: - Missing HTTP header "Content-Type" when response is 304, after a request with "If-Modified-Since"
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Summary: Missing HTTP header "Content-Type" when response is 304,
after a request with "If-Modified-Since"
Product: Tomcat 5
Version: 5.0.30
Platform: All
OS/Version: All
Status: NEW
Keywords: RFC
Severity: normal
Priority: P2
Component: Unknown
AssignedTo: tomcat-dev@jakarta.apache.org
ReportedBy: olivier.jaquemet@jalios.com
The "Content-Type" header is not returned by tomcat when accessing file that
have not changed since the last access.
To reproduce:
- store a static file on server, say myfile.xls
- access the file a first time (with IE), everthing work as expected, the
"Content-Type" is provided by Tomcat.
- access the file a second time (with IE), IE provides a "If-Modified-Since"
header and Tomcat response is 304, as expected, but the "Content-Type" header is
missing and IE goes crazy. It works well with firefox 1.5 as it does not provide
the "If-Modified-Since".
The HTTP 1.1 RFC states:
"Any HTTP/1.1 message containing an entity-body SHOULD include a Content-Type
header[...]", a 304 response is not an entity-body.. therefore it does not
really violate any RFC, but it is not the behavior expected by the (current)
main browser IE...
http://www.w3.org/Protocols/rfc2616/rfc2616-sec7.html#sec7.2.1
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DO NOT REPLY [Bug 38532] - Missing HTTP header "Content-Type" when response is 304, after a request with "If-Modified-Since"
Posted by bu...@apache.org.
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------- Additional Comments From olivier.jaquemet@jalios.com 2006-02-06 17:36 -------
Just for information, as I don't desesperately want this bug to be solved, could
you provide the explanation on why this bug won't be fixed?
That way I'll try not to submit bug of the same kind in order to limit the
amount of bugs you need to deal with.
Thanks! :)
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DO NOT REPLY [Bug 38532] - Missing HTTP header "Content-Type" when response is 304, after a request with "If-Modified-Since"
Posted by bu...@apache.org.
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remm@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |INVALID
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DO NOT REPLY [Bug 38532] - Missing HTTP header "Content-Type" when response is 304, after a request with "If-Modified-Since"
Posted by bu...@apache.org.
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------- Additional Comments From fielding@apache.org 2006-02-08 01:50 -------
The answer is that 304 responses should not contain a Content-Type,
according to RFC 2616 section 10.3.5:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5
If the conditional GET used a strong cache validator (see section 13.3.3),
the response SHOULD NOT include other entity-headers. Otherwise (i.e., the
conditional GET used a weak validator), the response MUST NOT include other
entity-headers; this prevents inconsistencies between cached entity-bodies
and updated headers.
MSIE does not "go crazy" when receiving a 304 response, so my guess is
that the 304 has nothing to do with the observed problems.
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DO NOT REPLY [Bug 38532] - Missing HTTP header "Content-Type" when response is 304, after a request with "If-Modified-Since"
Posted by bu...@apache.org.
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remm@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |WONTFIX
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DO NOT REPLY [Bug 38532] - Missing HTTP header "Content-Type" when response is 304, after a request with "If-Modified-Since"
Posted by bu...@apache.org.
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remm@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|WONTFIX |
------- Additional Comments From remm@apache.org 2006-02-06 17:55 -------
Proper resolution.
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