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<p class=MsoNormal>Hi,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-US>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. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>A quick look in the Error.log file reveals
some details about the problem :<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><2008-03-27T10:54:37> Anonymous<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> Error: Failed to stylize layer: landlayer<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
An exception occurred in FDO component.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>
SDF connect failed. File does not exist or cannot be opened in specified access
mode. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> StackTrace:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> - 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<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>An exception occurred in FDO component.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>SDF connect failed. File does not exist or
cannot be opened in specified access mode.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>After restarting the Mapguide server
service everything works fine for a while.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>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”.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Does anyone have any ideas about this
problem ?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Br<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Trond Tunheim, CellVision AS<o:p></o:p></span></p>
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