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https://issues.apache.org/jira/browse/STORM-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16282240#comment-16282240
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Stig Rohde Døssing commented on STORM-2847:
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[~erosebrook] Do you have a few more lines of the stack trace? I'm curious if
the commit is happening in the rebalance listener.
> Exception thrown after rebalance IllegalArgumentException
> ---------------------------------------------------------
>
> Key: STORM-2847
> URL: https://issues.apache.org/jira/browse/STORM-2847
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-kafka-client
> Affects Versions: 1.2.0
> Reporter: Evan Rosebrook
>
> After rebalance the storm-kafka-client spout attempts to check the current
> position of partitions that are no longer assigned to the current spout. This
> occurs in a topology with multiple spout instances.
> java.lang.IllegalArgumentException: You can only check the position for
> partitions assigned to this consumer. at
> org.apache.kafka.clients.consumer.KafkaConsumer.position(KafkaConsumer.java:1262)
> at
> org.apache.storm.kafka.spout.KafkaSpout.commitOffsetsForAckedTuples(KafkaSpout.java:473)
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