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Support Article

.RuleNotFoundException: Failed to find instance ShowMe-HarnessIn



User sees the below error message in log, and are not sure what (and when) is triggering it, and requires fix for it.

Error Messages

Could not find a rule when appending a stream; Failed to find instance ShowMe-HarnessInsert of type Rule-HTML-Property

Steps to Reproduce

Not Applicable.

Root Cause

ShowMe-HarnessInsert is a Rule-HTML-Fragment instance. It was included in a Rule-HTML-Property instance by using pega:include jsp tag and type attribute was not specified.


Add type="Rule-HTML-Fragment" attribute while including the rule inside a Rule-HTML-Property instance.

Published May 21, 2016 - Updated October 8, 2020

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