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DRAFT SP-4174 Health Check service account credentials fail to validate in Admin Console


Validating the Health Check service account credentials in the Health Check settings of the Admin Console fails with the following error:

A similar error message also appears in the application server log:

ERROR - Internal Server Error on REST API invocation.
com.appiancorp.exceptions.LocalizedAppianRuntimeException$LocalizedAppianException: Expression evaluation error [evaluation ID = <ID>] : An error occurred while executing a save: java.lang.NullPointerException (APNX-1-4198-019)


The environment is unable to connect to, which is needed to validate the Health Check credentials and submit Health Checks for analysis.


Update the environment to allow connections to

Affected Versions

This article applies to Appian 19.4 and later On-Premise.

Last Reviewed: June 2020