[FLINK-10035] ConcurrentModificationException with flink-metrics-slf4j

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 1.5.2
• Component/s: Runtime / Metrics
• Assignee: Unassigned
• Reporter: Nico Kruber
• Created: 02/Aug/18 19:51
• Updated: 22/Nov/18 09:21
• Resolved: 22/Nov/18 09:21

Description

2018-08-02 15:45:08,052 WARN  org.apache.flink.runtime.metrics.MetricRegistryImpl           - Error while reporting metrics
java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
	at java.util.HashMap$EntryIterator.next(HashMap.java:1471)
	at java.util.HashMap$EntryIterator.next(HashMap.java:1469)
	at org.apache.flink.metrics.slf4j.Slf4jReporter.report(Slf4jReporter.java:95)
	at org.apache.flink.runtime.metrics.MetricRegistryImpl$ReporterTask.run(MetricRegistryImpl.java:427)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

https://api.travis-ci.org/v3/job/411307171/log.txt

Issue Links

• duplicates: FLINK-10715 E2e tests fail with ConcurrentModificationException in MetricRegistryImpl
• is related to: FLINK-10081 Asynchronous (un)registration of metrics