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Response Header Lines of Static Files
Static files can be served directly by Tomcat server, if you copy the files to
\local\jakarta-tomcat-4.1.18\webapps\ROOT. Tomcat server will set "Content_Type"
header line based on the file name extension and the MIME settings of the server
configuration. Let's look at 3 commonly used file name extensions.
1. Command: "java HttpRequestGet /hello.html 8080" gives us:
HTTP/1.1 200 OK
ETag: W/"38-1047477954000"
Last-Modified: Sat, 22 Mar 2003 14:05:54 GMT
Content-Type: text/html
Content-Length: 38
Date: Sun, 23 Mar 2003 02:59:32 GMT
Server: Apache Coyote/1.0
Connection: close
Hello world!
Couple of interesting notes here:
- Content-Type was set to "text/html", because the file name extension was "html".
- The request was marked as HTTP/1.0 in HttpRequestGet, but Tomcat responded
with a higher version, HTTP/1.1.
- I also tried to use HTTP/1.1 in my request, but Tomcat returned with an error.
Why Tomcat could not support HTTP/1.1 request?
2. Command: "java HttpRequestGet /dot.gif 8080" gives us:
HTTP/1.1 200 OK
ETag: W/"43-1029361700000"
Last-Modified: Sun, 11 Aug 2002 21:48:20 GMT
Content-Type: image/gif
Content-Length: 43
Date: Sun, 23 Mar 2003 03:14:22 GMT
Server: Apache Coyote/1.0
Connection: close
GIF89a......
As you can see, Content_Type was set correctly to "image/gif" for file name extension
"gif", as defined in the MIME settings. I could not included the entity body here because it contains binary data.
3. Command: "java HttpRequestGet /hello.pdf 8080" gives us:
HTTP/1.1 200 OK
ETag: W/"909-1059340932000"
Last-Modified: Sun, 17 Mar 2003 21:22:12 GMT
Content-Type: application/pdf
Content-Length: 909
Date: Sat, 23 Mar 2003 03:29:21 GMT
Server: Apache Coyote/1.0
Connection: close
%PDF-1.3
% ...
4 0 obj
......
Again, Content_Type was set correctly to "application/pdf" for file name extension
"pdf", as defined in the MIME settings. I truncated the entity body to save some space.
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