[Chameleon] Broken image instead of a map in IE

[Ded Moroz]

Dear Jacob,

thank you for the fast answer. I’ve looked in the
registry on the client machine, but there were no
values like MaxConnectionsPer1_0Server or
MaxConnectionsPerServer, so I’ve made them as new
values and added to the registry. Unfortunately the
broken link problem is still there. So I have really
no idea what I should do now. :-(



--- Jacob Delfos <jacob.delfos at maunsell.com> schrieb:

> resending with correct subject - copied from wrong
> mail. Stupid.
> 
> Ded,Paul,
> 
> I think this is related to the problem I described
> on the Ka-Map list, 
> although I can't understand why a single image would
> fail due to too 
> large a value for "maximum allowable simultaneous
> connections".
> The bug for this problem is:
> http://bugzilla.maptools.org/show_bug.cgi?id=654
> 
> If this is the same problem, then it is caused by
> Internet Explorer 
> having a value of 10,000 for the maximum allowable
> simultaneous 
> connections. This is of course a ridiculous and
> impractical value. It 
> would basically mean that IE sends a request for
> every possible object 
> in the page at the same time. This can cause the
> webserver (be it Apache 
> or IIS) to fail to satisfy all those requests,
> resulting in broken 
> images (not just the map-image).
> 
> According to
> http://support.microsoft.com/?kbid=282402 the value 
> shouldn't be this high, but yet it seems default on
> most up-to-date 
> Windows installations I have seen (XP and 2k). To
> try to fix it, you 
> have to edit the registry on the client (machine
> running IE) :
> 
> In:
>
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet
> 
> Settings
> Change value of MaxConnectionsPer1_0Server and
> MaxConnectionsPerServer 
> to something more decent (I used 4; Firefox uses
> 24).
> 
> I'm waiting to hear back from Microsoft on this. I
> hope they can fix 
> this in a patch, so we don't have to put a note on
> all websites asking 
> visitors to hack their registry. I'm tired of having
> to tell clients 
> during demonstrations "This really doesn't normally
> happen, you know.... 
> it's not our fault!"
> 
> Please let us know whether this fixed it for you.
> I'll update the bug 
> once I know more from Microsoft.
> 
> regards,
> 
> Jacob
> 
> 
> 
>  >This sounds like a problem Jacob and Bart have run
> into. From what
>  >Jacob described recently, it may have been a
> problem in IIS
>  >configuration ... looking for comments from Jacob
> :)
> 
>  >Cheers
> 
>  >Paul
> 
>  >On 6-Jan-06, at 2:54 PM, Ded Moroz wrote:
> 
>  >> Hi dear community.
>  >>
>  >> I’ve the following strange problem on my
> chameleon installation.
>  >> When I just send a simple request directly at a
> drawmap.php like:
>  >>
> http://server/chameleon/common/wrapper/drawmap.php?
>  >>
>
map_session_mode=1&run_query=0&sid=43be7fee135b7&dummy=0.17998100
>  >> +1136558079&UniqId=1136558467418989
>  >>
>  >> I just can see a normal map as a response. But
> sometimes I just get
>  >> a broken image instead of a normal picture of my
> map. The strange
>  >> thing is when I just made a request like already
> showed and I push
>  >> the F5 it reloads the map but sometime it shows
> me the broken image
>  >> as a response! . This error happens only when I
> use the IE 6.0. On
>  >> Firefox or Opera every reload of the drawmap.php
> is successful and
>  >> this error also takes place only when I request
> huge JPEG images
>  >> (1000 x 600 Px). The error.log on my Apache
> server doesn’t
>  >> subscribe any errors and when I try to simulate
> the same error
>  >> directly on the server
> (http://localhost/chameleon/common/wrapper/
>  >> drawmap.php?...) it just doesn’t happen. So I
> suspect that the
>  >> error is maybe in the properties of the client
> or in the properties
>  >> of my network.
>  >>
>  >> Thanks.
>  >>
>  >> P.S.: Sorry for my terrible English :-(
>  >>
>  >> Telefonieren Sie ohne weitere Kosten mit Ihren
> Freunden von PC zu PC!
>  >> Jetzt Yahoo! Messenger installieren!
>  >> _______________________________________________
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>  >> Chameleon at lists.maptools.org
>  >>
> http://lists.maptools.org/mailman/listinfo/chameleon
> 
> 
>
>+-----------------------------------------------------------------+
>  >|Paul Spencer pspencer at dmsolutions.ca |
> 
>
>+-----------------------------------------------------------------+
>  >|Applications & Software Development |
>  >|DM Solutions Group Inc
> http://www.dmsolutions.ca/|
> 
>
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