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  1. Flink
  2. FLINK-10715

E2e tests fail with ConcurrentModificationException in MetricRegistryImpl

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      Description

      Couple of e2e tests that rely on metrics fail with exception:

      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)
      

      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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              • Assignee:
                igal Igal Shilman
                Reporter:
                dawidwys Dawid Wysakowicz
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                  Updated:
                  Resolved: