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https://issues.apache.org/jira/browse/KAFKA-6260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16262887#comment-16262887
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Seweryn Habdank-Wojewodzki commented on KAFKA-6260:
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@guozhang zwang: at my place/code yes. It is always the same.
> KafkaStream 1.0.0 does not strarts correctly with Broker 0.11.0.1
> -----------------------------------------------------------------
>
> Key: KAFKA-6260
> URL: https://issues.apache.org/jira/browse/KAFKA-6260
> Project: Kafka
> Issue Type: Bug
> Reporter: Seweryn Habdank-Wojewodzki
>
> The new KafkaStreams API, which uses StreamsBuilder class has troubles to
> connect with Broker v. 0.11.0.1. Below there are logs.
> The same app wich uses old API (v. 0.11.0.1) KStreamBuilder has no issues to
> connect with Broker 0.11.0.1.
> Can you check that?
> {code}
> 2017-11-22 16:27:58 DEBUG NetworkClient:183 - [Consumer
> clientId=kafka-endpoint-1a02a283-47e0-40b6-8da4-6e338da0814f-StreamThread-1-consumer,
> groupId=kafka-endpoint] Disconnecting from node 1 due to request timeout.
> 2017-11-22 16:27:58 DEBUG ConsumerNetworkClient:195 - [Consumer
> clientId=kafka-endpoint-1a02a283-47e0-40b6-8da4-6e338da0814f-StreamThread-1-consumer,
> groupId=kafka-endpoint] Cancelled FETCH request RequestHeader(apiKey=FETCH,
> apiVersion=5,
> clientId=kafka-endpoint-1a02a283-47e0-40b6-8da4-6e338da0814f-StreamThread-1-consumer,
> correlationId=74) with correlation id 74 due to node 1 being disconnected
> 2017-11-22 16:27:58 DEBUG Fetcher:195 - [Consumer
> clientId=kafka-endpoint-1a02a283-47e0-40b6-8da4-6e338da0814f-StreamThread-1-consumer,
> groupId=kafka-endpoint] Fetch request
> {my_internal_topic-4=(offset=199966200, logStartOffset=-1, maxBytes=1048576),
> my_internal_topic-0=(offset=199987332, logStartOffset=-1, maxBytes=1048576)}
> to myp01.eb.lan.at:9093 (id: 1 rack: DC-1) failed
> org.apache.kafka.common.errors.DisconnectException: null
> 2017-11-22 16:27:58 DEBUG NetworkClient:183 - [Consumer
> clientId=kafka-endpoint-1a02a283-47e0-40b6-8da4-6e338da0814f-StreamThread-1-consumer,
> groupId=kafka-endpoint] Initialize connection to node myp01.eb.lan.at:9093
> (id: 1 rack: DC-1) for sending metadata request 2017-11-22 16:27:58 DEBUG
> NetworkClient:183 - [Consumer
> clientId=kafka-endpoint-1a02a283-47e0-40b6-8da4-6e338da0814f-StreamThread-1-consumer,
> groupId=kafka-endpoint] Initiating connection to node myp01.eb.lan.at:9093
> (id: 1 rack: DC-1) 2017-11-22 16:27:58 ERROR AbstractCoordinator:296 -
> [Consumer
> clientId=kafka-endpoint-1a02a283-47e0-40b6-8da4-6e338da0814f-StreamThread-1-consumer,
> groupId=kafka-endpoint] Heartbeat thread for group kafka-endpoint failed due
> to unexpected errorjava.lang.NullPointerException: null
> at
> org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:436)
> ~[my-kafka-endpoint.jar:?]
> at org.apache.kafka.common.network.Selector.poll(Selector.java:395)
> ~[my-kafka-endpoint.jar:?]
> at
> org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:460)
> ~[my-kafka-endpoint.jar:?]
> at
> org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:238)
> ~[my-kafka-endpoint.jar:?]
> at
> org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.pollNoWakeup(ConsumerNetworkClient.java:275)
> ~[my-kafka-endpoint.jar:?]
> at
> org.apache.kafka.clients.consumer.internals.AbstractCoordinator$HeartbeatThread.run(AbstractCoordinator.java:934)
> [my-kafka-endpoint.jar:?]
> {code}
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