Unable to collect the metrics for JMX MBean attribute memoryUsageAfterGc by CA APM Agent

Document ID : KB000110268
Last Modified Date : 14/08/2018
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Issue:
After installing the APM Agent, enabling JMX monitoring and also setĀ introscope.agent.jmx.compositedata.enable=true, users are unable to collect metrics for attribute memoryUsageAfterGc under JMX MBean java.lang:type=GarbageCollector
Environment:
APM 9.x, 10.x
Weblogic 10.x, 11.x, 12.x
Cause:
The metrics for "memoryUsageAfterGc" in JMX MBean attribute are TabularData as below screenshot shows.

JMX MBean attribute

Ā 
Resolution:
The TabularData is outside of the current design for APM Agent JMX monitoring.