DX APM SaaS : UMA Agent APMIA gives java.lang.NullPointerException: null

Products

• DX APM SaaS

Issue/Introduction

UMA Podmonitor log filled with:

java.lang.NullPointerException: Cannot invoke "com.wily.introscope.spec.metric.AgentMetric.getAttributeURL()" because the return value of "com.wily.introscope.agent.stat.IDataAccumulator.IDataAccumulator_getMetric()" is null
 at com.wily.introscope.agent.api.ADataRecorderImpl.getMetricName(ADataRecorderImpl.java:66)
 at com.wily.introscope.agent.snmp.MetricOIDDef.processTableVariableBinding(MetricOIDDef.java:212)
 at com.wily.introscope.agent.snmp.MetricOIDDef.processVariableBinding(MetricOIDDef.java:223)
 at com.wily.introscope.agent.snmp.SNMPProcessor.processVariableBindings(SNMPProcessor.java:1045)
 at com.wily.introscope.agent.snmp.SNMPProcessor.process(SNMPProcessor.java:639)
 at com.wily.introscope.agent.snmp.SNMPProcessor.run(SNMPProcessor.java:1008)

Environment

DX APM SaaS 

UMA 24.2 APMIA Agent 

Cause

Agent Metric clamp hit the limit of 50k

Resolution

Increased the metric clamp limit from 50K to 100K 

[Environment Variable] introscope.agent.metricClamp=100000

Additional Information

Add this env. variable for the Agent throwing error:

      apmenv_introscope_agent_log_level_root: DEBUG