[Qgis-user] QGIS Server Process Crash

[Simon Greener]

QGIS Serverites,

Currently running QGIS Server 2.18.3 64bit on Virtual Machine.

Windows Server 2012 R2 Standard.
Intel (R) Xeon (R) CPYU E5-2640 v4 @2.40GHa
Installed memory (RAM) 32GB
Total disk space 149.36GB

Previously we were running 2.14 LTS 32 bit.

We are trying to serve a number of project files. 
The source of the data is Oracle with some imagery.

Ever since testing commenced (over 6 months ago), we have not been able to
stabilize QGIS Server.
We have reviewed all our Oracle data and ensured that all QGIS settings
ensured fast access.

We continue to get processes failing, particularly as we add more than one
user to the system.
These process crashes kill the WMS data being returned to the client.

The Windows Application Event Logs show entries such as the following (most
common):

Faulting application name: qgis_mapserv.fcgi.exe, version: 0.0.0.0, time
stamp: 0x58b10ebf
Faulting module name: KERNELBASE.dll, version: 6.3.9600.18340, time stamp:
0x57366075
Exception code: 0xc0000005
Fault offset: 0x0000000000008a5c
Faulting process id: 0xf0c
Faulting application start time: 0x01d2a80c716a80ed
Faulting application path: E:\OSGeo4W64\apps\qgis\bin\qgis_mapserv.fcgi.exe
Faulting module path: C:\Windows\system32\KERNELBASE.dll
Report Id: 3413c7f7-1407-11e7-80d1-001dd8b71c06
Faulting package full name: 
Faulting package-relative application ID: 

Other Exception codes include:
Exception code: 0xc0000005  Fault offset: 0x000000000003c5f0
Exception code: 0xc0000005  Fault offset: 0x00002930

We are tearing our hair out trying to work out why we cannot stabilize QGIS
Server.

Any help, pointers, coupled with much patience would be appreciated.

regards
Simon Greener
Tasmania
Australia



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