Re: Getting exception: Unbuffered entity enclosing request can not be repeated

[Jennifer Ward]

Yes, setting CONTENT_LENGTH_AUTO does buffer the content. However, in 
doing this I realized it's not really the best solution since the 
content will get sent twice (although, it gets ignored the first time). 
So, it's not efficient.

In retrospect what I really want to do is establish the connection once 
(perhaps by sending an OPTIONS request), retain the digest challenge 
string, then send each subsequent request (including puts) with the 
appropriate auth header.

Now, I'm trying to go through the HttpAuthenticator code and figure out 
how to do that. If anyone has any experience with this I would 
appreciate hearing about it. I am fairly new to HttpClient.

Thanks for your input,
Jen
On Jul 13, 2004, at 3:34 AM, Michael Becke wrote:
Yes, HttpClient will buffer the content if you use CONTENT_LENGTH_AUTO.
Mike
On Jul 13, 2004, at 3:20 AM, Ingo Brunberg wrote:
The problem is that you are using chunked transfer encoding. This
prevents Httpclient to automatically buffer the content in memory and
the InputStream can only be read once.
The workaround is simply to provide the exact content-length.
Ingo
Hi,
I wonder if anyone could offer a suggestion for getting around an
exception I'm seeing.
I am writing a load test client that sends requests to a webdav 
server.
I have a putMethod which does the following:

			PutMethod method = new PutMethod(URIUtil.encodePathQuery(path));
			generateIfHeader(method);
			if (getGetContentType() != null && 
!getGetContentType().equals(""))
				method.setRequestHeader("Content-Type", getGetContentType());
			method.setRequestContentLength(PutMethod.CONTENT_LENGTH_CHUNKED);
			method.setRequestBody(bis);
			int statusCode = client.executeMethod(method);

bis is a BufferedInputStream.
This method works fine when sending requests using Basic
authentication. However, I want to use Digest authentication (I have
setAuthenticationPreemptive set to false). When sending the request
using Digest, I get the exception:
org.apache.commons.httpclient.HttpException: Unbuffered entity
enclosing request can not be repeated.
In looking at the code, it appears that
EntityEnclosingMethod.writeRequestBody does not cache the request 
body.
So, when the request is resent (with the digest auth header), the
contentCache is null, thus the exception.

Does anyone know of a way around this?
Thanks,
Jennifer

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