Just tried using IE7 to access GMail, and JMeter works fine for me
without needing to eliminate the gzip header.
Perhaps there are other types of gzipped content that are not handled so well.
S.
On 16/10/2007, cwang <[EMAIL PROTECTED]> wrote:
>
> I have already changed the code so that it leaves the "Content-encoding:
> gzip" in.
> If "Content-encoding: gzip" is removed IE7 will display a page cannot be
> displayed error. After I made the change the page shows up as it should and
> with the source.
>
>
>
> Alf Høgemark wrote:
> >
> > Hi
> >
> > The http proxy server is unzipping the content it gets from the web
> > server, and then passing it on to IE uncompressed, so it has to remove
> > the "Content-encoding: gzip" header.
> > So if you are having a problem, I do not think that the removal of that
> > header is the problem.
> >
> > When you are running the test plan made with the proxy, do you get the
> > expected results from the web server then ?
> >
> > Do you see anything in IE7 if you do a "view source", when you are using
> > the proxy ?
> >
> > Regards
> > Alf
> >
> > cwang wrote:
> >> oh sorry I miss understood your question.
> >>
> >> The full list of headers
> >>
> >> HTTP/1.1 200 OK
> >> Date: Mon, 15 Oct 2007 15:32:06 GMT
> >> Server: WebSphere Application Server/6.1
> >> Keep-Alive: timeout=300, max=70
> >> Connection: Keep-Alive
> >> Content-Type: text/html; charset=utf-8
> >> Content-Encoding: gzip
> >> Content-Language: en-US
> >>
> >> it actually just takes out "Content-Encoding: gzip"
> >>
> >>
> >>
> >> sebb-2 wrote:
> >>
> >>> On 13/10/2007, cwang <[EMAIL PROTECTED]> wrote:
> >>>
> >>>>> What response header do you get?
> >>>>>
> >>> What actual response header do you get from the application?
> >>>
> >>>
> >>>> when I said "original headers" i mean the headers past into
> >>>> massageResponseHeaders(SampleResult res, String headers),so pretty much
> >>>> by
> >>>> passed that method.
> >>>>
> >>>>
> >>>>> I think that's because the JMeter Proxy uses a sampler to get the
> >>>>> response, and the sampler will already have unzipped the data.
> >>>>>
> >>>> That makes sense but then why would removing the "Content-Encoding:
> >>>> gzip"
> >>>> header cause IE7 to not display the page?
> >>>>
> >>> If it just removes "gzip" from the header, that might leave something
> >>> invalid, which is why I asked what the actual header was.
> >>>
> >>>
> >>>> I understand adding "Accept-Encoding: gzip, deflate" will probably
> >>>> cause
> >>>> havoc on trying to proxy pages without that, but on the application we
> >>>> are
> >>>> testing every page has that so it should be ok. Do you have any idea
> >>>> what
> >>>> other problems these changes will cause? I would like to look into
> >>>> them
> >>>> before we start full scale testing.
> >>>>
> >>> No idea, but I presume the code is there for a reason.
> >>>
> >>>
> >>>> sebb-2 wrote:
> >>>>
> >>>>> On 12/10/2007, cwang <[EMAIL PROTECTED]> wrote:
> >>>>>
> >>>>>> when my browser sent a header with "Accept-Encoding: gzip, deflate"
> >>>>>> it
> >>>>>> doesn't seem to be picked up by jmeter. It was kind of weird cause
> >>>>>> it
> >>>>>> wasn't even in the input stream.
> >>>>>>
> >>>>>> then when I get the response there was a piece of code in Jmeter that
> >>>>>> removed "Content-Encoding: gzip"
> >>>>>> in proxy.java
> >>>>>>
> >>>>>> /**
> >>>>>> * In the event the content was gzipped and unpacked, the
> >>>>>> content-encoding
> >>>>>> * header must be removed and the content-length header should
> >>>>>>
> >>>> be
> >>>>
> >>>>>> corrected.
> >>>>>> *
> >>>>>> * @param res
> >>>>>> * @param headers
> >>>>>> * @return
> >>>>>> */
> >>>>>> private String massageResponseHeaders(SampleResult res, String
> >>>>>> headers) {
> >>>>>> int encodingHeaderLoc = headers.indexOf(": gzip"); //
> >>>>>> $NON-NLS-1$
> >>>>>> String newHeaders = headers;
> >>>>>> if (encodingHeaderLoc > -1) {
> >>>>>> int end = headers.indexOf(NEW_LINE,
> >>>>>> encodingHeaderLoc);
> >>>>>> int begin = headers.lastIndexOf(NEW_LINE,
> >>>>>> encodingHeaderLoc);
> >>>>>> newHeaders = newHeaders.substring(0, begin) +
> >>>>>> newHeaders.substring(end);
> >>>>>> int lengthIndex = newHeaders.indexOf("ength:
> >>>>>>
> >>>> ");
> >>>>
> >>>>>> // $NON-NLS-1$
> >>>>>> end = newHeaders.indexOf(NEW_LINE,
> >>>>>>
> >>>> lengthIndex);
> >>>>
> >>>>>> newHeaders = newHeaders.substring(0,
> >>>>>>
> >>>> lengthIndex +
> >>>>
> >>>>>> 7) +
> >>>>>> res.getResponseData().length
> >>>>>> + newHeaders.substring(end);
> >>>>>> }
> >>>>>> return newHeaders;
> >>>>>> }
> >>>>>>
> >>>>>> I don't know why this piece of code was added but it cause my
> >>>>>> browser,
> >>>>>> Internet Explorer 7, to return with a page cannot be displayed error.
> >>>>>>
> >>>>> I think that's because the JMeter Proxy uses a sampler to get the
> >>>>> response, and the sampler will already have unzipped the data.
> >>>>>
> >>>>>
> >>>>>> by hard coding "Accept-Encoding: gzip, deflate" into all my request
> >>>>>> header
> >>>>>> and returning the original "headers" from massageResponseHeaders it
> >>>>>>
> >>>> seems
> >>>>
> >>>>>> to
> >>>>>> work for my case.
> >>>>>>
> >>>>> What response header do you get?
> >>>>>
> >>>>>
> >>>>>> I was wondering if these changes would cause error or corrupt data in
> >>>>>> other
> >>>>>> areas of JMeter.
> >>>>>>
> >>>>> Probably.
> >>>>>
> >>>>>
> >>>>>> Thanks
> >>>>>> --
> >>>>>> View this message in context:
> >>>>>>
> >>>>>>
> >>>> http://www.nabble.com/a-few-problems-I-encountered-gzip-and-header-tf4614182.html#a13177025
> >>>>
> >>>>>> Sent from the JMeter - User mailing list archive at Nabble.com.
> >>>>>>
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> >>>>>
> >>>>>
> >>>> --
> >>>> View this message in context:
> >>>> http://www.nabble.com/a-few-problems-I-encountered-gzip-and-header-tf4614182.html#a13185274
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> >
> >
>
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