aspx/html file bigger than 170KB truncated

z. f.

hi,

i have a vb.net web application and i make a request using internet explorer to an aspx page.
the aspx page size if over 170KB, and the page in internet explorer looks truncated and in the view-source the text/html is truncated in the middle of a line. the last line looks like that:
<td with

and that's it.

i checked the HTTP headers and saw that the aspx page have a Transfer-Encoding: chunked header, while asp page that have the same logic and is not traucated (it's smaller - about 80KB) does not have this header.
can anyone help with this issue:
a. how can i, in order to check if this is the source of the problem, disable the chunked transfer encoding of the aspx page.
b. what might be the problem?

i guess it is not client (iexplore) replated problem, but it might be a problem with the receiver of the data and not with the sender (IIS ) of the data.

TIA, z.

Nov 19 '05 #1

Subscribe Reply

3167

Kristofer Gafvert

Hi,

Do you have any custom ISAPI filters enabled on the server?
Do you have Zone Alarm installed on this machine? We've seen some strange
problems with IIS and Zone Alarm that looks similar to what you see.

--
Regards,
Kristofer Gafvert
www.gafvert.info - My Articles and help
www.ilopia.com
z. f. wrote:

hi,

i have a vb.net web application and i make a request using internet explorer to an aspx page. the aspx page size if over 170KB, and the page in internet explorer looks truncated and in the view-source the text/html is truncated in the
middle of a line. the last line looks like that: <td with

and that's it.

i checked the HTTP headers and saw that the aspx page have a Transfer-Encoding: chunked header, while asp page that have the same logic
and is not traucated (it's smaller - about 80KB) does not have this header.

can anyone help with this issue:
a. how can i, in order to check if this is the source of the problem, disable the chunked transfer encoding of the aspx page. b. what might be the problem?

i guess it is not client (iexplore) replated problem, but it might be a problem with the receiver of the data and not with the sender (IIS ) of
the data.
TIA, z.

Nov 19 '05 #2

z. f.

no, no and no

the only ISAPI is
v1.1.4322\aspne t_filter.dll

what i am using is response.flush, i hope that the implementation of this is not causing the chunked content encoding.
how can this be canceled?

i also changed the globalization entry of the Global.asax to have responseEncodin g="windows-1255"

might this cause anything???

TIA, z.
"Kristofer Gafvert" <kg******@NEWSi lopia.com> wrote in message news:xn******** ********@news.m icrosoft.com...
Hi,

Do you have any custom ISAPI filters enabled on the server?
Do you have Zone Alarm installed on this machine? We've seen some strange
problems with IIS and Zone Alarm that looks similar to what you see.

--
Regards,
Kristofer Gafvert
www.gafvert.info - My Articles and help
www.ilopia.com
z. f. wrote:

hi,

i have a vb.net web application and i make a request using internet explorer to an aspx page. the aspx page size if over 170KB, and the page in internet explorer looks truncated and in the view-source the text/html is truncated in the
middle of a line. the last line looks like that: <td with

and that's it.

i checked the HTTP headers and saw that the aspx page have a Transfer-Encoding: chunked header, while asp page that have the same logic
and is not traucated (it's smaller - about 80KB) does not have this header.

can anyone help with this issue:
a. how can i, in order to check if this is the source of the problem, disable the chunked transfer encoding of the aspx page. b. what might be the problem?

i guess it is not client (iexplore) replated problem, but it might be a problem with the receiver of the data and not with the sender (IIS ) of
the data.
TIA, z.

Nov 19 '05 #3

David Wang [Msft]

There is nothing "wrong" with chunked content encoding. HTTP defines many
valid ways to transfer entity body, and HTTP servers/browsers all know how
to do it correctly.

If I have to guess, it sounds like your page hit some server-side limit or
timeout that causes problems.

Chunked encoding simply means that the sending keeps sending data until a
"stop" token is sent. Thus, it is possible for you to see a truncated
response if the sending was somehow "stopped" before it was done. Changing
to Content-Length won't necessarily solve the problem -- connection can
still stop before it is done.

The ASP sounds like it has Response.Buffer = true somewhere -- and
actually, telling large pages to buffer on the server is a bad idea in
general since it chews up that much memory per-request just for that page.

If nothing obvious comes up, I suggest using a Network sniffer like NetMon
or Ethereal to take a trace of such a truncated request and post it. It
should give clear details on what is going on.

--
//David
IIS
http://blogs.msdn.com/David.Wang
This posting is provided "AS IS" with no warranties, and confers no rights.
//
"z. f." <zi**@info-scopeREMSPAM.co .il> wrote in message
news:u7******** ******@TK2MSFTN GP15.phx.gbl...
no, no and no

the only ISAPI is
v1.1.4322\aspne t_filter.dll

what i am using is response.flush, i hope that the implementation of this is
not causing the chunked content encoding.
how can this be canceled?

i also changed the globalization entry of the Global.asax to have
responseEncodin g="windows-1255"

might this cause anything???

TIA, z.
"Kristofer Gafvert" <kg******@NEWSi lopia.com> wrote in message
news:xn******** ********@news.m icrosoft.com...
Hi,

Do you have any custom ISAPI filters enabled on the server?
Do you have Zone Alarm installed on this machine? We've seen some strange
problems with IIS and Zone Alarm that looks similar to what you see.

--
Regards,
Kristofer Gafvert
www.gafvert.info - My Articles and help
www.ilopia.com
z. f. wrote:

hi,

i have a vb.net web application and i make a request using internet explorer to an aspx page. the aspx page size if over 170KB, and the page in internet explorer looks truncated and in the view-source the text/html is truncated in the
middle of a line. the last line looks like that: <td with

and that's it.

i checked the HTTP headers and saw that the aspx page have a Transfer-Encoding: chunked header, while asp page that have the same logic
and is not traucated (it's smaller - about 80KB) does not have this
header.

can anyone help with this issue:
a. how can i, in order to check if this is the source of the problem, disable the chunked transfer encoding of the aspx page. b. what might be the problem?

i guess it is not client (iexplore) replated problem, but it might be a problem with the receiver of the data and not with the sender (IIS ) of
the data.
TIA, z.

Nov 19 '05 #4

z. f.

when i run fiddler (http proxy/http monitor) the problem disappear, so i guess it's some kind of client side implementation problem of receiving the chunked HTTP.
the IE version is 6, running on windows 2003 server.

anyway, how can i disable the chunked http?
the asp is not chunked even though it uses response.flush.
TIA, z.

"David Wang [Msft]" <so*****@online .microsoft.com> wrote in message news:OC******** ******@tk2msftn gp13.phx.gbl...
There is nothing "wrong" with chunked content encoding. HTTP defines many
valid ways to transfer entity body, and HTTP servers/browsers all know how
to do it correctly.

If I have to guess, it sounds like your page hit some server-side limit or
timeout that causes problems.

Chunked encoding simply means that the sending keeps sending data until a
"stop" token is sent. Thus, it is possible for you to see a truncated
response if the sending was somehow "stopped" before it was done. Changing
to Content-Length won't necessarily solve the problem -- connection can
still stop before it is done.

The ASP sounds like it has Response.Buffer = true somewhere -- and
actually, telling large pages to buffer on the server is a bad idea in
general since it chews up that much memory per-request just for that page.

If nothing obvious comes up, I suggest using a Network sniffer like NetMon
or Ethereal to take a trace of such a truncated request and post it. It
should give clear details on what is going on.

--
//David
IIS
http://blogs.msdn.com/David.Wang
This posting is provided "AS IS" with no warranties, and confers no rights.
//
"z. f." <zi**@info-scopeREMSPAM.co .il> wrote in message
news:u7******** ******@TK2MSFTN GP15.phx.gbl...
no, no and no

the only ISAPI is
v1.1.4322\aspne t_filter.dll

what i am using is response.flush, i hope that the implementation of this is
not causing the chunked content encoding.
how can this be canceled?

i also changed the globalization entry of the Global.asax to have
responseEncodin g="windows-1255"

might this cause anything???

TIA, z.
"Kristofer Gafvert" <kg******@NEWSi lopia.com> wrote in message
news:xn******** ********@news.m icrosoft.com...
Hi,

Do you have any custom ISAPI filters enabled on the server?
Do you have Zone Alarm installed on this machine? We've seen some strange
problems with IIS and Zone Alarm that looks similar to what you see.

--
Regards,
Kristofer Gafvert
www.gafvert.info - My Articles and help
www.ilopia.com
z. f. wrote:

hi,

i have a vb.net web application and i make a request using internet explorer to an aspx page. the aspx page size if over 170KB, and the page in internet explorer looks truncated and in the view-source the text/html is truncated in the
middle of a line. the last line looks like that: <td with

and that's it.

i checked the HTTP headers and saw that the aspx page have a Transfer-Encoding: chunked header, while asp page that have the same logic
and is not traucated (it's smaller - about 80KB) does not have this
header.

can anyone help with this issue:
a. how can i, in order to check if this is the source of the problem, disable the chunked transfer encoding of the aspx page. b. what might be the problem?

i guess it is not client (iexplore) replated problem, but it might be a problem with the receiver of the data and not with the sender (IIS ) of
the data.
TIA, z.

Nov 19 '05 #5

David Wang [Msft]

It is not possible to "disable" chunked encoding with IIS configuration.
IIS does NOT decide on the encoding of the entity body -- the specific
application/platform determines this and is actually responsible for
performing the data chunking.

Thus, you will have look at whether the particular application/platform
supports this sort of configuration.

Now, the client can do something to prevent chunking -- by making a HTTP/1.0
request (since chunked encoding was added in HTTP/1.1 so server-side code
should never send chunks to HTTP/1.0 clients). But, I'm not aware of any
browsers with this sort of configurability .
Honestly, I would not "solve" this problem by trying to disable chunking --
seems like something between the client and server has a problem (since IIS
and IE both support chunked encoding just fine). Who knows what other issue
awaits you? I would also suggest taking the Network sniff to see the actual
request/response headers of the failing request and see if they are valid.
You are randomly adding headers/directives hoping to avoid problems but they
may be causing problems. You need to see/understand what is actually going
on the wire before you can determine what is right/wrong.

--
//David
IIS
http://blogs.msdn.com/David.Wang
This posting is provided "AS IS" with no warranties, and confers no rights.
//
"z. f." <zi**@info-scopeREMSPAM.co .il> wrote in message
news:O0******** ******@TK2MSFTN GP09.phx.gbl...
when i run fiddler (http proxy/http monitor) the problem disappear, so i
guess it's some kind of client side implementation problem of receiving the
chunked HTTP.
the IE version is 6, running on windows 2003 server.

anyway, how can i disable the chunked http?
the asp is not chunked even though it uses response.flush.
TIA, z.

"David Wang [Msft]" <so*****@online .microsoft.com> wrote in message
news:OC******** ******@tk2msftn gp13.phx.gbl...
There is nothing "wrong" with chunked content encoding. HTTP defines many
valid ways to transfer entity body, and HTTP servers/browsers all know how
to do it correctly.

If I have to guess, it sounds like your page hit some server-side limit or
timeout that causes problems.

Chunked encoding simply means that the sending keeps sending data until a
"stop" token is sent. Thus, it is possible for you to see a truncated
response if the sending was somehow "stopped" before it was done.
Changing
to Content-Length won't necessarily solve the problem -- connection can
still stop before it is done.

The ASP sounds like it has Response.Buffer = true somewhere -- and
actually, telling large pages to buffer on the server is a bad idea in
general since it chews up that much memory per-request just for that page.

If nothing obvious comes up, I suggest using a Network sniffer like NetMon
or Ethereal to take a trace of such a truncated request and post it. It
should give clear details on what is going on.

--
//David
IIS
http://blogs.msdn.com/David.Wang
This posting is provided "AS IS" with no warranties, and confers no
rights.
//
"z. f." <zi**@info-scopeREMSPAM.co .il> wrote in message
news:u7******** ******@TK2MSFTN GP15.phx.gbl...
no, no and no

the only ISAPI is
v1.1.4322\aspne t_filter.dll

what i am using is response.flush, i hope that the implementation of this
is
not causing the chunked content encoding.
how can this be canceled?

i also changed the globalization entry of the Global.asax to have
responseEncodin g="windows-1255"

might this cause anything???

TIA, z.
"Kristofer Gafvert" <kg******@NEWSi lopia.com> wrote in message
news:xn******** ********@news.m icrosoft.com...
Hi,

Do you have any custom ISAPI filters enabled on the server?
Do you have Zone Alarm installed on this machine? We've seen some
strange
problems with IIS and Zone Alarm that looks similar to what you see.

--
Regards,
Kristofer Gafvert
www.gafvert.info - My Articles and help
www.ilopia.com
z. f. wrote:

hi,

i have a vb.net web application and i make a request using internet explorer to an aspx page. the aspx page size if over 170KB, and the page in internet explorer looks truncated and in the view-source the text/html is truncated in the
middle of a line. the last line looks like that: <td with

and that's it.

i checked the HTTP headers and saw that the aspx page have a Transfer-Encoding: chunked header, while asp page that have the same
logic
and is not traucated (it's smaller - about 80KB) does not have this
header.

can anyone help with this issue:
a. how can i, in order to check if this is the source of the problem, disable the chunked transfer encoding of the aspx page. b. what might be the problem?

i guess it is not client (iexplore) replated problem, but it might be a
problem with the receiver of the data and not with the sender (IIS ) of
the data.
TIA, z.

Nov 19 '05 #6

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