Frontend and Backend Metrics Not Displaying for NodeJS Agent

Products

• CA Application Performance Management Agent (APM / Wily / Introscope)
• CA Application Performance Management (APM / Wily / Introscope)
• INTROSCOPE
• DX Application Performance Management

Issue/Introduction

The NodeJS Agent is successfully deployed and the agent is displayed on in the Investigator. However, after exercising the application, no Frontend or Backend metrics are displayed in the metric tree.

The Infrastructure Agent logs shows the following error messages:

11/07/19 08:48:03 PM WIB [ERROR] [IntroscopeAgent.ProbeCollector] TcpArfDataConnection type:nodejs instance: appserver01-10737 port:38118 message parsing excpetion: null
11/07/19 08:48:03 PM WIB [ERROR] [IntroscopeAgent.ProbeCollector] ARF exception. java.lang.NullPointerException

Environment

APM JAVA Agent 10.7 SP3

Resolution

Please contact support and ask for a fix for Defect DE438820

The fix contains a new CollectorAgent.jar that will address the above errors and will result in the Frontend and Backend metrics being displayed.