Quoting Amos Jeffries :
> apmailist@free.fr wrote:
> > Hi,
> >
> >
> >
> > I encounter An "invalid Response" on a particular site.
> > This is what I get from squid :
> > --------------------------
> > The requested URL could not be retrieved
> >
> > While trying to process the request:
> >
> > GET
> >
> /nms/jsp/webForm.jsp?fo=bl&id=S7Nn7isL2GdroOkABgb1B35boKb4Z2SiMGMFGb/VEkJUIAIA
> > HTTP/1.1
> > Host: somesite.com
> > User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9)
> > Gecko/20071025 Firefox/2.0.0.9
> > Accept:
> >
>
text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
> > Accept-Language: en,en-us;q=0.7,fr-fr;q=0.3
> > Accept-Encoding: gzip,deflate
> > Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
> > Keep-Alive: 300
> > Proxy-Connection: keep-alive
> > Proxy-Authorization: Basic Y<snip>8=
> > --------------------------
> >
> > relaxed_header_parser value is at "warning".
> >
> > I had a look at the headers, but couldn't find anything peculiar. But I'm
> not an
> > expert in this field.
> > Cache.log has said (I'm not 200% sure if it is related or not :
> > 2007/11/05 16:11:53| ctx: enter level 30: '!ê«@'
> > 2007/11/05 16:11:53| ctx: enter level 31: 'http://somesite.com/favicon.ico'
> > 2007/11/05 16:11:53| ctx: enter level 32: 'http://somesite.com/favicon.ico'
> > 2007/11/05 16:11:53| # ctx: suspiciously deep (32) nesting:
> >
> > With Log_mime_headers on , I have
> > 1194278039.445 135 10.7.85.46 TCP_MISS/502 1996 GET
> > http://somesite.com/nms/jsp/webForm.jsp? user-andrew DIRECT/213.139.xxx.xxx
> > text/html [Host: somesite.com\r\nUser-Agent: Mozilla/5.0 (Windows; U;
> Windows
> > NT 5.1; en-US; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9\r\nAccept:
> >
>
text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5\r\nAccept-Language:
> > en,en-us;q=0.7,fr-fr;q=0.3\r\nAccept-Encoding:
> gzip,deflate\r\nAccept-Charset:
> > ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\nKeep-Alive: 300\r\nProxy-Connection:
> > keep-alive\r\nProxy-Authorization: Basic YXsnipcm8=\r\nPragma:
> > no-cache\r\nCache-Control: no-cache\r\n] [HTTP/1.0 502 Bad
> Gateway\r\nServer:
> > squid\r\nDate: Mon, 05 Nov 2007 15:53:59 GMT\r\nContent-Type:
> > text/html\r\nContent-Length: 1740\r\nExpires: Mon, 05 Nov 2007 15:53:59
> > GMT\r\nX-Squid-Error: ERR_INVALID_RESP 0\r\n\r]
> >
> > Two tcpdumps, one from the squid server, another one from another internet
> > access point, show strange characters just between the headers and the html
> > stanza. See the "5ea" , then the "1" , and the "0".
> > But this is through Wireshark and I'm not sure about the exactness.
>
> Wireshark is exact to the bit.
So the strange characters "5ea","1","0" *were* actually on the wire ?
-- 5ea <html> <head> <META http-equiv="Content-Type" content="text/html; charset=utf-8"> snip </body> </html> 1 0 -- > > > > > -------------------------- > > GET > /nms/jsp/webForm.jsp?fo=bl&id=S7Nn9L2GdroOkABgb1B35boKb4Z2SiMGMFGb/VEkJUIAIA > > HTTP/1.1 > > Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, > > application/x-shockwave-flash, application/vnd.ms-excel, > > application/vnd.ms-powerpoint, application/msword, */* > > Accept-Language: fr > > UA-CPU: x86 > > Accept-Encoding: gzip, deflate > > User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR > > 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0; .NET CLR 2.0.50727) > > Host: somesite.com > > Connection: Keep-Alive > > > > HTTP/1.1 200 OK > > Date: Tue, 06 Nov 2007 04:42:03 GMT > > Server: Apache/2.0.52 (Red Hat) > > Transfer-Encoding: chunked > > For starters the server is broken and throwing object that squid can't > handle back at squid. Chunked encoding must not be sent to a HTTP/1.0 > client. I'm confused : Which HTTP/1.0 client ? I see GET HTTP/1.1 > IIRC there was one aborted 2.6 release of squid that tried to cope, but > that was reverted out from main due to problems. Henrik would know more > on that. > Check you are running a recent 2.6 stable. > > > Amos > I forgot to mention the version we're using : 2.6 Stable16. Also, the directive "via" is set to "off". AndrewReceived on Mon Nov 12 2007 - 10:19:13 MST
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