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Jun Rao updated KAFKA-1964: --------------------------- Attachment: stack.out Saw the test hang once in trunk. Attached is the full stacktrace. "Test worker" prio=5 tid=7ffeb4105000 nid=0x116acd000 runnable [116aca000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method) at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:136) at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:69) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69) - locked <7f548be50> (a sun.nio.ch.Util$2) - locked <7f548be38> (a java.util.Collections$UnmodifiableSet) - locked <7f5420990> (a sun.nio.ch.KQueueSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80) at org.apache.kafka.common.network.Selector.select(Selector.java:375) at org.apache.kafka.common.network.Selector.poll(Selector.java:220) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:209) at org.apache.kafka.clients.consumer.KafkaConsumer.awaitMetadataUpdate(KafkaConsumer.java:956) at org.apache.kafka.clients.consumer.KafkaConsumer.listOffset(KafkaConsumer.java:1353) at org.apache.kafka.clients.consumer.KafkaConsumer.resetOffset(KafkaConsumer.java:1423) at org.apache.kafka.clients.consumer.KafkaConsumer.fetchMissingPositionsOrResetThem(KafkaConsumer.java:1305) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:700) - locked <7f548d990> (a org.apache.kafka.clients.consumer.KafkaConsumer) at kafka.api.ConsumerTest.testPartitionReassignmentCallback(ConsumerTest.scala:239) > testPartitionReassignmentCallback hangs occasionally > ----------------------------------------------------- > > Key: KAFKA-1964 > URL: https://issues.apache.org/jira/browse/KAFKA-1964 > Project: Kafka > Issue Type: Bug > Affects Versions: 0.8.3 > Reporter: Jun Rao > Attachments: stack.out > > -- This message was sent by Atlassian JIRA (v6.3.4#6332)