[FLINK-3985] A metric with the name * was already registered

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Component/s: Runtime / Metrics
• Labels: test-stability
• Assignee: Stephan Ewen
• Reporter: Robert Metzger
• Created: 28/May/16 07:09
• Updated: 10/Nov/17 02:29
• Resolved: 12/Feb/17 14:33

Description

The YARN tests detected the following failure while running WordCount.

2016-05-27 21:50:48,230 INFO  org.apache.flink.yarn.YarnTaskManager                         - Received task CHAIN DataSource (at main(WordCount.java:70) (org.apache.flink.api.java.io.TextInputFormat)) -> FlatMap (FlatMap at main(WordCount.java:80)) -> Combine(SUM(1), at main(WordCount.java:83) (1/2)
2016-05-27 21:50:48,231 ERROR org.apache.flink.metrics.reporter.JMXReporter                 - A metric with the name org.apache.flink.metrics:key0=testing-worker-linux-docker-6e03e1e8-3385-linux-1,key1=taskmanager,key2=ee7c10183f32c9a96f8e7cfd873863d1,key3=WordCount_Example,key4=CHAIN_DataSource_(at_main(WordCount.java-70)_(org.apache.flink.api.java.io.TextInputFormat))_->_FlatMap_(FlatMap_at_main(WordCount.java-80))_->_Combine(SUM(1)-_at_main(WordCount.java-83),name=numBytesIn was already registered.
javax.management.InstanceAlreadyExistsException: org.apache.flink.metrics:key0=testing-worker-linux-docker-6e03e1e8-3385-linux-1,key1=taskmanager,key2=ee7c10183f32c9a96f8e7cfd873863d1,key3=WordCount_Example,key4=CHAIN_DataSource_(at_main(WordCount.java-70)_(org.apache.flink.api.java.io.TextInputFormat))_->_FlatMap_(FlatMap_at_main(WordCount.java-80))_->_Combine(SUM(1)-_at_main(WordCount.java-83),name=numBytesIn
	at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)
	at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
	at org.apache.flink.metrics.reporter.JMXReporter.notifyOfAddedMetric(JMXReporter.java:76)
	at org.apache.flink.metrics.MetricRegistry.register(MetricRegistry.java:177)
	at org.apache.flink.metrics.groups.AbstractMetricGroup.addMetric(AbstractMetricGroup.java:191)
	at org.apache.flink.metrics.groups.AbstractMetricGroup.counter(AbstractMetricGroup.java:144)
	at org.apache.flink.metrics.groups.IOMetricGroup.<init>(IOMetricGroup.java:40)
	at org.apache.flink.metrics.groups.TaskMetricGroup.<init>(TaskMetricGroup.java:74)
	at org.apache.flink.metrics.groups.JobMetricGroup.addTask(JobMetricGroup.java:74)
	at org.apache.flink.metrics.groups.TaskManagerMetricGroup.addTaskForJob(TaskManagerMetricGroup.java:86)
	at org.apache.flink.runtime.taskmanager.TaskManager.submitTask(TaskManager.scala:1093)
	at org.apache.flink.runtime.taskmanager.TaskManager.org$apache$flink$runtime$taskmanager$TaskManager$$handleTaskMessage(TaskManager.scala:442)
	at org.apache.flink.runtime.taskmanager.TaskManager$$anonfun$handleMessage$1.applyOrElse(TaskManager.scala:284)
	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
	at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:36)
	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply$mcVL$sp(AbstractPartialFunction.scala:33)
	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:33)
	at scala.runtime.AbstractPartialFunction$mcVL$sp.apply(AbstractPartialFunction.scala:25)
	at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
	at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
	at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
	at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
	at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
	at org.apache.flink.runtime.taskmanager.TaskManager.aroundReceive(TaskManager.scala:124)
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
	at akka.actor.ActorCell.invoke(ActorCell.scala:487)
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254)
	at akka.dispatch.Mailbox.run(Mailbox.scala:221)
	at akka.dispatch.Mailbox.exec(Mailbox.scala:231)
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)

Travis log: https://s3.amazonaws.com/archive.travis-ci.org/jobs/133427703/log.txt
YARN logs: https://s3.amazonaws.com/flink-logs-us/travis-artifacts/apache/flink/9326/9326.2.tar.gz
File with exception: /yarn-tests/container_1464385813755_0002_01_000002/taskmanager.log

Issue Links

• duplicates: FLINK-3962 JMXReporter doesn't properly register/deregister metrics