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I have seen this as well. <br>
It happens less frequently with SDF than with OGR layers.<br>
I have not yet had a reproduceable way of making the error appear.<br>
<br>
Could you create a trac ticket, and possible enter descriptions for
setting up your "load test"?<br>
<a class="moz-txt-link-freetext" href="http://trac.osgeo.org/mapguide/">http://trac.osgeo.org/mapguide/</a><br>
<br>
<pre class="moz-signature" cols="72">Regards, Kenneth, GEOGRAF A/S
</pre>
<br>
<br>
Trond A. Tunheim skrev:
<blockquote
cite="mid:FB2240CEC1055546ADA784AB3548CE522D35078594@ODIN.lan.cellvision.no"
type="cite">
<pre wrap="">Hi
There is no raster layers in this composition, only sdf vector layers. We had the same problem with MG 1.1.
/Trond Tunheim
________________________________
Fra: Maksim Sestic <a class="moz-txt-link-rfc2396E" href="mailto:max@geoinova.com"><max@geoinova.com></a>
Sendt: 28. mars 2008 16:28
Til: <a class="moz-txt-link-abbreviated" href="mailto:mapguide-users@lists.osgeo.org">mapguide-users@lists.osgeo.org</a> <a class="moz-txt-link-rfc2396E" href="mailto:mapguide-users@lists.osgeo.org"><mapguide-users@lists.osgeo.org></a>
Emne: Re: [mapguide-users] Grey image after some time in MGOS 2.0
This is a common problem with Autodesk MapGuide Enteprise 2008 and Autodesk
Raster provider. Happens most often if you have several layers within base
layer group. During base layer tiling operation it happens that some tiles
simply get "skipped", and stay that way (cached as "empty" tile) even after
MapGuide service gets restarted. I hope Autodesk will get this fixed in 2009
version.
Regards,
Maksim Sestic
NorTrond wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Hi,
We have experienced a problem with the MGOS 2.0 installation. After some
time with moderate load it just returns grey images until the "Mapguide
Server v2.0" service is restarted. We are using the WebApi with the
GETMAPIMAGE mapagent operation.
A quick look in the Error.log file reveals some details about the problem
:
<2008-03-27T10:54:37>
Anonymous
Error: Failed to stylize layer: landlayer
An exception occurred in FDO component.
SDF connect failed. File does not exist or cannot be opened in
specified access mode.
StackTrace:
- MgMappingUtil.StylizeLayers line 776 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\services\mapping\MappingUtil.cpp
Failed to stylize layer: landlayer
An exception occurred in FDO component.
SDF connect failed. File does not exist or cannot be opened in specified
access mode.
After restarting the Mapguide server service everything works fine for a
while.
We are using a web loadtester to reproduce the problem. The problem occurs
with moderate load ( 2 users) continuously requesting maps for a set of
areas. After about 2 hours the mapguide server ends up in the "gray
state".
Does anyone have any ideas about this problem ?
Br
Trond Tunheim, CellVision AS
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