Critical Error Help

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04-23-2020 12:28 PM
LucasHutmacher
New Contributor III

we've had this 'critical error' on our Monitor site since we set it up, but we have no idea what's causing it or how to clear it.

Any great ideas?

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MichaelReither
New Contributor III

ArcGIS Monitor checks the health of your ArcGIS Server by accessing the server's Health Check API every 15 minutes.

Health Check—ArcGIS REST API: Services Directory | ArcGIS for Developers 

The health check reports whether the responding machine in the ArcGIS Server site is able to receive and process requests. A healthy (available) site will return an HTTP 200 response code along with a message indicating "success": true. An unhealthy (unavailable) site will return messaging other than HTTP 200.

You can manually perform the health check by entering the HTTPS commands below in a web browser - substituting your fully qualified GIS Server name or web adaptor host name.

ArcGIS Server Health Check

  • https://webadaptorhost.domain.com/webadaptorname/rest/info/healthcheck?f=json
  • https:/gisserver.domain.com:6443/arcgis/rest/info/healthcheck?f=json
  • http:/gisserver.domain.com:6080/arcgis/rest/info/healthcheck?f=json

In your situation, the Health Check API test being executed by ArcGIS Monitor (as part of the ArcGIS counter) is failing.   Check your ArcGIS Server log file for errors.   Normally a failed Health Check would mean your ArcGIS Server is unavailable (crashed, unresponsive, etc.) but I would think you would notice that - so I am guessing you are still able access your ArcGIS Server service and successfully login to ArcGIS Server Manager.  

Try to use the HTTPS syntax above to manually execute the Health Check from your web browser running on the ArcGIS Monitor server and from your laptop.  The expected response should be:

{"success":true}

If you don't  get this response, contact Esri Support to troubleshoot this ArcGIS Server issue.

If you the HTTPS command works from a web browser on your laptop but fails when run from a web browser on the ArcGIS Monitor server, check with your network administrator to verify any connectivity/firewall issues between the ArcGIS Monitor server and the GIS Server.

Please verify you did not make a typo when you entered the ArcGIS Server site under the ArcGIS counter.

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2 Replies
MichaelReither
New Contributor III

ArcGIS Monitor checks the health of your ArcGIS Server by accessing the server's Health Check API every 15 minutes.

Health Check—ArcGIS REST API: Services Directory | ArcGIS for Developers 

The health check reports whether the responding machine in the ArcGIS Server site is able to receive and process requests. A healthy (available) site will return an HTTP 200 response code along with a message indicating "success": true. An unhealthy (unavailable) site will return messaging other than HTTP 200.

You can manually perform the health check by entering the HTTPS commands below in a web browser - substituting your fully qualified GIS Server name or web adaptor host name.

ArcGIS Server Health Check

  • https://webadaptorhost.domain.com/webadaptorname/rest/info/healthcheck?f=json
  • https:/gisserver.domain.com:6443/arcgis/rest/info/healthcheck?f=json
  • http:/gisserver.domain.com:6080/arcgis/rest/info/healthcheck?f=json

In your situation, the Health Check API test being executed by ArcGIS Monitor (as part of the ArcGIS counter) is failing.   Check your ArcGIS Server log file for errors.   Normally a failed Health Check would mean your ArcGIS Server is unavailable (crashed, unresponsive, etc.) but I would think you would notice that - so I am guessing you are still able access your ArcGIS Server service and successfully login to ArcGIS Server Manager.  

Try to use the HTTPS syntax above to manually execute the Health Check from your web browser running on the ArcGIS Monitor server and from your laptop.  The expected response should be:

{"success":true}

If you don't  get this response, contact Esri Support to troubleshoot this ArcGIS Server issue.

If you the HTTPS command works from a web browser on your laptop but fails when run from a web browser on the ArcGIS Monitor server, check with your network administrator to verify any connectivity/firewall issues between the ArcGIS Monitor server and the GIS Server.

Please verify you did not make a typo when you entered the ArcGIS Server site under the ArcGIS counter.

LucasHutmacher
New Contributor III

Thanks!  We think we figured it out:

The Site address for ArcGIS Server in Monitor had 'server:port' format. Since we have federated server with web adapter, we changed it to' webadapteraddress/serve'r format.  The admin username and password we are using in ArcGISMonitor is an added admin user and it is allowed to administrative work to server via web adapter, not directly to server:port. I guess this made ArcGISMonitor confused.

so many nuances!  credit to our AWS/Portal devs for figuring this out

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