A Niagara R2 Enterprise Server station fails to start. The Standard Output Window reports this error: ERROR: Cannot add key entry: 8390 java.lang.IllegalStateException: Missing class for: 24

Issue

A Niagara R2 Enterprise Server station fails to start. The Standard Output Window reports this error:

ERROR: Cannot add key entry: 8390 java.lang.IllegalStateException: Missing class for: 24

Product Line

TAC I/A Series

Environment

Niagara R2 Enterprise Server station

Cause

Conflicting jar files.

Resolution

This is typically related to a missing jar file. This would be a jar file that is NOT part of a released version of Workplace Pro. For example, the Smartware and Distech jar files.