Wei-Chiu Chuang created AMBARI-20156:
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Summary: HadoopTimelineMetricsSink breaks after Hadoop 3 alpha2
Key: AMBARI-20156
URL: https://issues.apache.org/jira/browse/AMBARI-20156
Project: Ambari
Issue Type: Bug
Components: metrics
Reporter: Wei-Chiu Chuang
Because of an API change in Hadoop 3 alpha 2, HadoopTimelineMetricsSink will
fail to load with the following error:
{noformat}
2017-02-22 15:05:45,577 ERROR namenode.NameNode (NameNode.java:main(1709)) -
Failed to start namenode.
java.lang.AbstractMethodError:
org.apache.hadoop.metrics2.sink.timeline.HadoopTimelineMetricsSink.init(Lorg/apache/commons/configuration2/SubsetConfiguration;)V
at
org.apache.hadoop.metrics2.impl.MetricsConfig.getPlugin(MetricsConfig.java:208)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.newSink(MetricsSystemImpl.java:531)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.configureSinks(MetricsSystemImpl.java:503)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.configure(MetricsSystemImpl.java:479)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.start(MetricsSystemImpl.java:188)
at
org.apache.hadoop.metrics2.impl.MetricsSystemImpl.init(MetricsSystemImpl.java:163)
at
org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.init(DefaultMetricsSystem.java:62)
at
org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.initialize(DefaultMetricsSystem.java:58)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1635)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1704)
2017-02-22 15:05:45,578 INFO util.ExitUtil (ExitUtil.java:terminate(124)) -
Exiting with status 1
{noformat}
The Hadoop API MetricsPlugin.init() has a parameter that changed from
org.apache.commons.configuration.SubsetConfiguration to
org.apache.commons.configuration2.SubsetConfiguration.
Credit: the bug was found by Daniel Pol.
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