Hi, in the meantime I found the solution to my problem. The 'Server Status' > 'System Status' page seems to use oshi.software.os.windows.WindowsOperatingSystem to access system performance information. This requires the user, the GeoServer service is running under, to be in the local 'Performance Monitor Users' group.
After adding the service user to this group the error is no longer written to the log file. Regards, Daniel From: Calliess Daniel Ing. Sent: Thursday, October 8, 2020 3:56 PM To: 'geoserver-users@lists.sourceforge.net' <geoserver-users@lists.sourceforge.net> Subject: [Geoserver-users] Error 5 reading HKEY_PERFORMANCE_DATA from the registry Hi, I updated my GeoServer installation from version 2.15.1 to 2.18.0 using a self made Windows installer as described here: https://docs.geoserver.org/latest/en/developer/win-installer.html While everything worked fine in the process and GeoServer is running stable, now every second an error message is written to the geoserver.log file: 2020-10-08 03:25:17,223 ERROR [windows.WindowsOperatingSystem] - Error 5 reading HKEY_PERFORMANCE_DATA from the registry. It seams that Error 5 means 'Access denied' when accessing the windows registry. Unfortunately I don't see a chance to check or set permissions on this registry key because it's a virtual key that is not listed in the registry editor. When I switch the GeoServer service user from the restricted user it is normally running under to LOCAL SYSTEM the error messages are no longer written to the log. Does anyone have an idea why these errors happen and how to avoid them (aside from running the service as SYSTEM)? Regards Daniel
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