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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: HTTP Post without content-length : server failure even when chunked
Date Mon, 26 Apr 2010 21:51:03 GMT
On Mon, 2010-04-26 at 15:22 -0500, hanasaki jiji wrote:
> Using httpclient 4.0.1 and doing an http POST
> NOTE: this has been tried with both "chunked = true" and false
> 
> The POST code does the following:
>             InputStreamEntity uploadHttpEntity =
>                     new InputStreamEntity(sourceInputStream, -1);
>             uploadHttpEntity.setChunked(true);
>             httppost.setEntity(uploadHttpEntity);
> 
> Where the InputStream is of an unknown source.  It could be the result
> of ByteArrayInputStream, from a file or any other class that resolves
> to an "InputStream".  Thus, the "-1" in the InputStreamEntity and the
> use of this class vs perhaps a StringEntity.
> 
> The server code explicitly looks for the Content-Length header which
> is seen as -1 and thus fails thinking that the length is either -1 or
> it already has an EOF. 

Setting entity's length to -1 will NOT cause HttpClient to send -1 in
the Content-Length header. HttpClient will automatically use chunk
coding if the content length is unknown (negative).

Oleg

>  Interestingly a POST with
> java.net....HTTPURLConnection works fine.
> 
> How can HTTPClient be used and have it send up the length as the
> java.net classes do?
> 
> Thank you,
> 
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