Description
When start namenode, datanode or releated components, there exists an Warning :
Error creating sink 'ganglia'
org.apache.hadoop.metrics2.impl.MetricsConfigException: Error creating plugin: org.apache.hadoop.metrics2.sink.ganglia.GangliaSink31
if there exists configuration, like : *.sink.ganglia.dmax=jvm.metrics.threadsBlocked=70,jvm.metrics.memHeapUsedM=40。
Maybe, this is a bug about common-configuration2.
The default conversion handler used DisabledListDelimiterHandler.INSTANCE as EXTRACTOR, while the comma list delimiter handler is expected.