APM Agent implementation - SLF4J error
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APM Agent implementation - SLF4J error

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Article ID: 266100

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Updated On:

Products

DX Application Performance Management

Issue/Introduction

When starting the application servers, the following error messages related to SLF4J are seen in the logs:

ERROR [stderr] (Agent Execution) SLF4J: Class path contains multiple SLF4J bindings.
ERROR [stderr] (Agent Execution) SLF4J: Found binding in [jar:file:/opt/CA/APM.DXI/wily/releases/20.6/extensions/open-tracing-java-d7868f66xt1-20.6.0.59/lib/external/slf4j-nop.jar!/org/slf4j/impl/StaticLoggerBinder.class]
ERROR [stderr] (Agent Execution) SLF4J: Found binding in [jar:file:/opt/CA/APM.DXI/wily/releases/20.6/core/config/../../extensions/open-tracing-java-d7868f66xt1-20.6.0.59/lib/external/slf4j-nop.jar!/org/slf4j/impl/StaticLoggerBinder.class]
ERROR [stderr] (Agent Execution) SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

ERROR [stderr] (Agent Execution) SLF4J: Actual binding is of type [org.slf4j.helpers.NOPLoggerFactory]

The path shows 20.6 but the version used is 22.1

Environment

Release : 22.1

Cause

Incorrect implementation of the Agent 

Resolution

Reinstall Agent version 22.1