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SLF4J Error Messages in Web Application Startup After Update to (Doc ID 2555446.1)

Last updated on DECEMBER 04, 2019

Applies to:

Oracle Utilities Network Management System - Version to [Release 2.3 to 2.4]
Oracle Network Management for Utilities - DMS - Version to [Release 2.3 to 2.4]
Information in this document applies to any platform.


On : version, Web Workspace

SLF4J error messages in web application startup

Start Web Workspace or Configuration Assistant (or probably any web application). Observe in java log console before the Handshake succeeded message, 3 error messages about SLF4J

Error Message

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See for further details.
Handshake succeeded: TLSv1.2

The issue can be reproduced at will with the following steps:
Update to
Launch Network Management System (NMS) client from browser


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