[mapguide-users] Out of Memory error problem

[Maksim Sestic]

Happens to me more more than often. I have couple of tiled base layers
(orthophoto, scanned maps, relief maps, etc.) set to fixed list of integer
scales. There's a problem with "empty" tile rendering, where random tiles
simply get skipped (don't get rendered at all) and get cached that way. But
that's not causing "Out of Memory error problem".

What I did notice is that if I include ODBC-based (unmanaged) dynamic layers
it crashes twice or more frequently than if there're only FDO-based
(managed) dynamic layers. Each and every data source (both managed and
unmanaged) runs on SQL Server 2000/2005. Crashed MG server process reports
no error whatsoever.

Regards,
Maksim Sestic

 

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of nclayton
Sent: Monday, April 28, 2008 14:48
To: mapguide-users at lists.osgeo.org
Subject: [mapguide-users] Out of Memory error problem


Hi all,
I have been having problems with MGOS 2.0 crashing on me to the point that i
was using a script to restart the service every 30 minutes.

I resolved part of the problem by changing how one of my layers was
rendered.

But, after running without a restart for about 2 days I got the following
errors:

============================================================================
<2008-04-25T11:32:56> 			Anonymous
 Error: An exception occurred in FDO component.
        'FdoFgfLinearRing::Reset': Cannot execute function due to invalid
value for the input parameter(s) 'positions'. 
 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
  - MgServerSelectFeatures.SelectFeatures line 249 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\
services\feature\ServerSelectFeatures.cpp
An exception occurred in FDO component.
'FdoFgfLinearRing::Reset': Cannot execute function due to invalid value for
the input parameter(s) 'positions'. 

<2008-04-25T11:57:23> 			Anonymous
 Error: Failed to stylize layer: aerial
        Out of memory.
        bad allocation
 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
Out of memory.
bad allocation

<2008-04-25T12:21:39> 			Anonymous
 Error: Out of memory.
        bad allocation
 StackTrace:
  - MgRenderingServiceHandler.ProcessOperation line 83 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\
services\rendering\RenderingServiceHandler.cpp
  - MgOpRenderDynamicOverlay.Execute line 109 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\
services\rendering\OpRenderDynamicOverlay.cpp
  - MgServerRenderingService.RenderDynamicOverlay line 305 file
d:\buildforgeprojects\mapguide_open_source_v2.0\build_23.8\mgdev\server\src\
services\rendering\ServerRenderingService.cpp
Out of memory.
bad allocation
============================================================================

Thank you for any help that can be provided.
--
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