Ashish K Singh created KAFKA-2573:
-------------------------------------

             Summary: Mirror maker system test hangs and eventually fails
                 Key: KAFKA-2573
                 URL: https://issues.apache.org/jira/browse/KAFKA-2573
             Project: Kafka
          Issue Type: Bug
            Reporter: Ashish K Singh
            Assignee: Ashish K Singh


Due to changes made in KAFKA-2015, handling of {{--consumer.config}} has 
changed, more details is specified on KAFKA-2467. This leads to the exception.

{code}
Exception in thread "main" java.lang.NoSuchMethodError: 
java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
        at kafka.utils.Pool.keys(Pool.scala:77)
        at 
kafka.consumer.FetchRequestAndResponseStatsRegistry$.removeConsumerFetchRequestAndResponseStats(FetchRequestAndResponseStats.scala:69)
        at 
kafka.metrics.KafkaMetricsGroup$.removeAllConsumerMetrics(KafkaMetricsGroup.scala:189)
        at 
kafka.consumer.ZookeeperConsumerConnector.shutdown(ZookeeperConsumerConnector.scala:200)
        at kafka.consumer.OldConsumer.stop(BaseConsumer.scala:75)
        at kafka.tools.ConsoleConsumer$.process(ConsoleConsumer.scala:98)
        at kafka.tools.ConsoleConsumer$.run(ConsoleConsumer.scala:57)
        at kafka.tools.ConsoleConsumer$.main(ConsoleConsumer.scala:41)
        at kafka.tools.ConsoleConsumer.main(ConsoleConsumer.scala)
{code}



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