DRAFT KB-XXXX Health Check fails to run with HTTP 404 error

Symptoms

The Appian Health Check "AHC Data Analysis" process fails with a HTTP 404 error.

The following error is seen in the application server log:

ERROR com.appian.integration.httpclient.smartnode.HttpSmartNode - ConnectorRuntimeException [title=HTTP error connecting to https://forum.appian.com/suite/plugins/servlet/stateless/healthcheck/1.0/downloadreport?request_id=<ID>, com.appian.integration.core.exception.ConnectorRuntimeException: HTTP/1.1 404 404]

Cause

Due to scheduled maintenance, Appian Forum was temporarily unavailable when downloading the Health Check report was attempted. Scheduled maintenance for Appian Forum is announced on Appian Community, and is generally scheduled on Saturdays from 8pm to 11pm EDT:

Action

Restart the failed process model node or re-run the Health Check outside of the scheduled maintenance window time noted on Appian Community.

Affected Versions

This article applies to all versions of Appian

Last Reviewed: August 2019