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POHTTP gzip encoding with multipart message
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  1. POHTTP gzip encoding with multipart message
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    copied!<p>I am trying to send a <code>gzip</code>ed multipart <code>POST</code> to a Tomcat server from a Java application using Jersey. When the multipart request is not compressed, it works perfectly fine. Other types of compressed POSTS work fine, such as sending a single entity XML. I (believe) posting compressed data isn't an HTTP standard, but it does seem Tomcat supports it to some degree.</p> <p>a working uncompressed multipart post:</p> <pre><code>POST /myApp/rest/data HTTP/1.1 Content-Type: multipart/mixed; boundary=Boundary_1_23237284_1331130438482 Cookie: JSESSIONID=XXXXXXXXXXXXXXXXXXXXXXXXX;Version=1;Path=/myApp/ MIME-Version: 1.0 User-Agent: Java/1.6.0_26 Host: localhost:8080 Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2 Connection: keep-alive Transfer-Encoding: chunked d3 --Boundary_1_23237284_1331130438482 Content-Type: application/octet-stream Content-Disposition: form-data; filename="uploadFile.war"; modification-date="Wed, 29 Feb 2012 18:01:38 GMT"; size=25343899; name="file" {binary data here} --Boundary_1_25179713_1331128929019 Content-Type: application/xml &lt;?xml version="1.0" encoding="UTF-8" standalone="yes"?&gt;&lt;myXMLEntity&gt;stuff&lt;/myXMLEntity&gt; --Boundary_1_25179713_1331128929019-- </code></pre> <p>When I compress it using the Jersey <code>GZIPContentEncodingFilter()</code> the following headers are sent, and I get back an HTTP 400 with a description of "incorrect syntax"</p> <pre><code>POST /myApp/rest/data HTTP/1.1 Content-Type: multipart/mixed Cookie: JSESSIONID=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX;Version=1;Path=/myApp/ Accept-Encoding: gzip Content-Encoding: gzip User-Agent: Java/1.6.0_26 Host: localhost:8080 Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2 Connection: keep-alive Transfer-Encoding: chunked {binary data here} </code></pre> <p>Is what I'm trying to do possible? Should the <code>Content-Type</code> actually read <code>multipart/x-gzip</code>? I notice that when it gets compressed, the boundary text gets left off of the <code>Content-Type</code> header - is this also a problem?</p>
 

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