Frontend and Backend Metrics Not Displaying for NodeJS Agent

Article Id: 142154

Status: Published

Updated On: 20-12-2019 11:01

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.