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Posted to dev@kafka.apache.org by "Jason Rosenberg (JIRA)" <ji...@apache.org> on 2015/06/04 21:53:38 UTC
[jira] [Created] (KAFKA-2250) ConcurrentModificationException in
metrics reporting
Jason Rosenberg created KAFKA-2250:
--------------------------------------
Summary: ConcurrentModificationException in metrics reporting
Key: KAFKA-2250
URL: https://issues.apache.org/jira/browse/KAFKA-2250
Project: Kafka
Issue Type: Bug
Reporter: Jason Rosenberg
This occurred in a broker log (we're running 0.8.2.1):
{code}
java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
at java.util.HashMap$KeyIterator.next(HashMap.java:1453)
at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042)
at kafka.network.AbstractServerThread.countInterestOps(SocketServer.scala:188)
at kafka.network.SocketServer$$anon$1$$anonfun$value$1.apply(SocketServer.scala:79)
at kafka.network.SocketServer$$anon$1$$anonfun$value$1.apply(SocketServer.scala:79)
at scala.collection.IndexedSeqOptimized$class.foldl(IndexedSeqOptimized.scala:57)
at scala.collection.IndexedSeqOptimized$class.foldLeft(IndexedSeqOptimized.scala:66)
at scala.collection.mutable.ArrayOps$ofRef.foldLeft(ArrayOps.scala:186)
at kafka.network.SocketServer$$anon$1.value(SocketServer.scala:79)
at kafka.network.SocketServer$$anon$1.value(SocketServer.scala:78)
{code}
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