Mailing List Recepient wrote:
i'm confused on the implementation of ZPublisher's HTTPResponse object.
I am currently using the HTTPReponse's write method to return data from the Zope server to the client browser as opposed to returning a string at the end of my published method.
Streamed output using HTTPResponse.write works fine when using Netscape, but fails in Internet Explorer. I've tracked the problem down to the fact that Netscape doesn't mind receiving a "content-length" header of 0, whereas unforgiving Explorer flat out fails.
I tried to workaround this by supplying the content-length, but to no avail. My content-length header is removed (this is done in HTTPReponse's write method) and the content-length returned is still 0.
Why is the content-length header removed? Is there a way to get streamed output working under Internet Explorer?
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Sending a Content-Length header of 0 is definitely a bug. It is legal to not send a Content-Length header at all, and both browsers will happily deal with it. However, sending a false Content-length is a definite error. IE is behaving correctly. If you want to fix the problem, find the code that is sending Content-Length: 0 and remove it. Both browsers will start working. --sam