Dawid Wysakowicz created FLINK-10715:
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Summary: E2e tests fail with ConcurrentModificationException in
MetricRegistryImpl
Key: FLINK-10715
URL: https://issues.apache.org/jira/browse/FLINK-10715
Project: Flink
Issue Type: Bug
Components: E2E Tests, Metrics
Affects Versions: 1.7.0
Reporter: Dawid Wysakowicz
Couple of e2e tests that rely on metrics fail with exception:
{code}
2018-10-29 11:40:32,781 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$EntryIterator.next(HashMap.java:1469)
at
org.apache.flink.metrics.slf4j.Slf4jReporter.report(Slf4jReporter.java:101)
at
org.apache.flink.runtime.metrics.MetricRegistryImpl$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)
{code}
Tests that failed:
* 'Resuming Externalized Checkpoint (file, sync, no parallelism change)
end-to-end test
* 'State TTL Heap backend end-to-end test'
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