[mapguide-users] Preserve Session Data to Restore after Service Restarts?

[Dave Wilson]

The user appears to be hitting something that the server can't handle. You can at least somewhat isolate the map and possibly the layers involved. If you can get it down to an individual layer that is causing the problem it could be some stylization setting that the server can't handle for some reason.

Are there any layers with composite line styles or something slightly more complex, something in Map Space instead of Device space or possibly theming on some property that perhaps may contain a null? Could there be some Vector Symbols being used?

Just some ideas to investigate.

Dave

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of nclayton
Sent: Wednesday, April 09, 2008 1:58 PM
To: mapguide-users at lists.osgeo.org
Subject: Re: [mapguide-users] Preserve Session Data to Restore after Service Restarts?


I received this Application Error when the service crashed:

Event Type:     Error
Event Source:   Application Error
Event Category: (100)
Event ID:       1000
Date:           4/9/2008
Time:           2:24:55 PM
Description:
Faulting application mgserver.exe, version 2.0.0.2308, faulting module
ntdll.dll, version 5.2.3790.3959, fault address 0x0002c853.

and these were recorded in Error.log for MapGuide:

<2008-04-09T14:24:31>                   Anonymous
 Error: An unclassified exception occurred.
 StackTrace:
  - MgRenderingServiceHandler.ProcessOperation line 83 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\services\rendering\RenderingServiceHandler.cpp
  - MgOpQueryFeatures.Execute line 125 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\services\rendering\OpQueryFeatures.cpp
  - MgServerRenderingService.QueryFeatures line 647 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\services\rendering\ServerRenderingService.cpp
  - MgServerRenderingService.RenderForSelection line 1252 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\services\rendering\ServerRenderingService.cpp
An unclassified exception occurred.
<2008-04-09T14:24:34>                   Anonymous
 Error: Failed to stylize layer: covcitylimitstxt
        An unclassified exception occurred.
 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: covcitylimitstxt
An unclassified exception occurred.
<2008-04-09T14:24:34>                   Anonymous
 Error: Failed to stylize layer: twprngtxt
        An unclassified exception occurred.
 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: twprngtxt
An unclassified exception occurred.
<2008-04-09T14:24:34>                   Anonymous
 Error: Failed to stylize layer: aerial
        An unclassified exception occurred.
 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: aerial
An unclassified exception occurred.

And this is the only Failure in the Access.log for the time period:

<2008-04-09T14:24:31>                   Anonymous
QueryFeatures.1.0.0:7(Session:6d816b5e-0000-1000-8000-00034732c825_en_7F0000010AFC0AFB0AFA//county.Map,MgStringCollection,MgGeometry,4,,1,5)
Failure



nclayton wrote:
>
> Hi everyone.
>
> I have an issue of mgserver.exe crashing with Event ID: 0 errors, and the
> only solution that I have found to this problem is to schedule a batch
> file to run to kill the service then restart it.
>
> It's currently set to run every 30 minutes and I may need to reduce the
> time more...
>
> My question is this: Is there a way to "save" user session data out
> somewhere before I kill the service, then "read" it back in after the
> restart so my users can continue what they're doing instead of having
> their viewer just stop working?
>
>
>

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