[HADOOP-13806] MetricsSourceBuilder doesn't set hasAtMetric when the Source object is reregistered

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Target Version/s: 3.0.0-alpha2
• Assignee: Naganarasimha G R
• Reporter: Naganarasimha G R
• Created: 10/Nov/16 13:30
• Updated: 07/Jan/17 10:45
• Resolved: 07/Jan/17 10:45

Description

We are trying to register a Object (instance of MetricsObject) which has already been registered and unregistered. During this operation we got an exception during MetricsSourceBuilder.build()

org.apache.hadoop.metrics2.MetricsException: No valid @Metric annotation found.
	at org.apache.hadoop.metrics2.lib.MetricsSourceBuilder.build(MetricsSourceBuilder.java:83)
	at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.register(MetricsSystemImpl.java:225)
	at org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl.testUnregisterSource(TestMetricsSystemImpl.java:417)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)