NoClassDefFoundError: com/ca/apm/agent/jmxclient/api/JmxPollingClientFactory

Products

• CA Application Performance Management SaaS
• DX Application Performance Management
• DX Operational Observability

Issue/Introduction

Symptoms:

• CPU and JMX metrics are not showing
• the follow error is reported in the agent logs:

"java.lang.NoClassDefFoundError: com/ca/apm/agent/jmxclient/api/JmxPollingClientFactory"

Environment

• DX APM 2*

 

 

Cause

The agent property introscope.agent.extensions.bundles.directory is pointing to a directory where the jmxclient.jar couldn't be located with relative path reference upon loading the agent.

Resolution

1) Ensure jmxclient.jar is not missing

2) Revert back any possible customization you might have applied in the Agent configuration

3) Ensure to use latest version of the Java Agent

 

Additional Information

Techdocs Agents - IntroscopeAgent properties