Hello,
Can anyone give me a way to debug the following problem, or tell me likely places to investigate?
With Hunchentoot 0.11.1 I have a problem on this machine:
Linux machine-1-name 2.6.18-8.1.8.el5 #1 SMP Mon Jun 25 15:19:07 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux
but I don't have that problem on this machine:
Linux machine-2-name 2.6.16.27-0.9-smp #1 SMP Tue Feb 13 09:35:18 UTC 2007 i686 i686 i386 GNU/Linux
I am running LWL Pro 4.3.7.
On the x86_64 machine, every page, even the Hunchentoot default page, has some seemingly-random binary data that comes after the headers but before the content. This appears in the browser as strange characters at the top of the page, often (but not always) followed by part or all of the desired web page. The random binary data is not in the content variable that is written to the stream. The headers are OK, the content is OK, it is only that there is extra binary data between the headers and the content.
I found a workaround. In headers.lisp, in function start-output, in the following code, write-sequence is the original code in hunchentoot while write-string is the workaround needed to get good output and avoid the extraneous binary data between the headers and the content.
... (setf (flexi-stream-external-format *hunchentoot-stream*) (reply-external-format)) ;; now optional content (unless (or (null content) head-request-p) (ignore-errors #+x86_64RHEL5-workaround (write-string (coerce (loop for c across content collect (code-char c)) 'string)
*hunchentoot-stream*) #-x86_64RHEL5-workaround (write-sequence content *hunchentoot-stream*))) (when chunkedp ;; turn chunking on after the headers have been sent (setf (chunked-stream-output-chunking-p (flexi-stream-stream *hunchentoot-stream*)) t)) *hunchentoot-stream*))
Again, can anyone give me tips on where to look or how to debug the problem?
Thanks,
Jeff Caldwell
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