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https://issues.apache.org/jira/browse/FLINK-6264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15976012#comment-15976012
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mingleizhang commented on FLINK-6264:
-------------------------------------
Hi, I would not think it is a bug when brokers failer and restarted. That is
because {code}unassignedPartitions.size() > 0{code} and then you got this
exception. [~tzulitai] Hi, How about your opinion about this issue ?
> Kafka consumer fails if can't find leader for partition
> -------------------------------------------------------
>
> Key: FLINK-6264
> URL: https://issues.apache.org/jira/browse/FLINK-6264
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Affects Versions: 1.2.0
> Reporter: Gyula Fora
>
> We have observed the following error many times when brokers failed/were
> restarted:
> java.lang.RuntimeException: Unable to find a leader for partitions:
> [Partition: KafkaTopicPartition{topic='mytopic', partition=10},
> KafkaPartitionHandle=[mytopic,10], offset=-1]
> at
> org.apache.flink.streaming.connectors.kafka.internals.Kafka08Fetcher.findLeaderForPartitions(Kafka08Fetcher.java:474)
> at
> org.apache.flink.streaming.connectors.kafka.internals.Kafka08Fetcher.runFetchLoop(Kafka08Fetcher.java:194)
> at
> org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:256)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:78)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:55)
> at
> org.apache.flink.streaming.runtime.tasks.SourceStreamTask.run(SourceStreamTask.java:56)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:261)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:656)
> at java.lang.Thread.run(Thread.java:745)
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