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java.nio.channels.ClosedChannelException: null at kafka.network.BlockingChannel.send(BlockingChannel.scala:110)[kafka_2.11-0.9.0.0.jar:na] at kafka.consumer.SimpleConsumer.liftedTree1$1(SimpleConsumer.scala:98)[kafka_2.11-0.9.0.0.jar:na] at kafka.consumer.SimpleConsumer.kafka$consumer$SimpleConsumer$$sendRequest(SimpleConsumer.scala:83)[kafka_2.11-0.9.0.0.jar:na] at kafka.consumer.SimpleConsumer.getOffsetsBefore(SimpleConsumer.scala:149)[kafka_2.11-0.9.0.0.jar:na] at kafka.javaapi.consumer.SimpleConsumer.getOffsetsBefore(SimpleConsumer.scala:79)[kafka_2.11-0.9.0.0.jar:na] at storm.kafka.KafkaUtils.getOffset(KafkaUtils.java:77)[storm-kafka-0.9.6.jar:0.9.6] at storm.kafka.KafkaUtils.getOffset(KafkaUtils.java:67)[storm-kafka-0.9.6.jar:0.9.6] at storm.kafka.PartitionManager.<init>(PartitionManager.java:83)[storm-kafka-0.9.6.jar:0.9.6] at storm.kafka.StaticCoordinator.<init>(StaticCoordinator.java:34)[storm-kafka-0.9.6.jar:0.9.6] at storm.kafka.KafkaSpout.open(KafkaSpout.java:92)[storm-kafka-0.9.6.jar:0.9.6] at backtype.storm.daemon.executor$fn__3371$fn__3386.invoke(executor.clj:529)[storm-core-0.9.6.jar:0.9.6] at backtype.storm.util$async_loop$fn__460.invoke(util.clj:461)[storm-core-0.9.6.jar:0.9.6] at clojure.lang.AFn.run(AFn.java:24)[clojure-1.5.1.jar:na] at java.lang.Thread.run(Thread.java:745)[na:1.8.0_111]