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https://issues.apache.org/jira/browse/KAFKA-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gwen Shapira updated KAFKA-2218:
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Fix Version/s: (was: 0.8.3)
> reassignment tool needs to parse and validate the json
> ------------------------------------------------------
>
> Key: KAFKA-2218
> URL: https://issues.apache.org/jira/browse/KAFKA-2218
> Project: Kafka
> Issue Type: Bug
> Reporter: Joe Stein
> Priority: Critical
>
> Ran into a production issue with the broker.id being set to a string instead
> of integer and the controller had nothing in the log and stayed stuck.
> Eventually we saw this in the log of the brokers where coming from
>
> me 11:42 AM
> [2015-05-23 15:41:05,863] 67396362 [ZkClient-EventThread-14-****ERROR
> org.I0Itec.zkclient.ZkEventThread - Error handling event ZkEvent[Data of
> /admin/reassign_partitions changed sent to
> kafka.controller.PartitionsReassignedListener@78c6aab8]
> java.lang.ClassCastException: java.lang.String cannot be cast to
> java.lang.Integer
> at scala.runtime.BoxesRunTime.unboxToInt(Unknown Source)
> at
> kafka.controller.KafkaController$$anonfun$4.apply(KafkaController.scala:579)
> we then had to delete the znode from zookeeper (admin/reassign_partition) and
> then fix the json and try it again
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