DX O2 APM Agent: APMIA Agent [WARN] Message when starting IBM ACE 13

Products

• CA Application Performance Management (APM / Wily / Introscope)
• DX APM SaaS
• DX OI SaaS
• DX Operational Intelligence
• DX Operational Observability
• DX SaaS

Issue/Introduction

 [WARN] [IntroscopeAgent.InfrastructureAgent] Exception Loading Service class - abcdefghijklWebServer Init Service
java.lang.UnsupportedClassVersionError: JVMCFRE199E bad major version 55.0 of class=javax/servlet/Servlet, the maximum supported major version is 52.0; offset=6

Environment

DX O2 

Cause

Unsupported JRE is used 

Resolution

Use the JRE bundled with the APMIA Agent

Workaround: 

Remove the file "../apmia/extensions/deploy/cpp-monitor-b4f2ce1dxt323-25.7.1.21.tar.gz"

AND

Remove the extension in extension.profile file.

"../apmia/extensions/extensions.profile" file