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https://issues.apache.org/jira/browse/KAFKA-3400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198367#comment-15198367
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ASF GitHub Bot commented on KAFKA-3400:
---------------------------------------
GitHub user SinghAsDev opened a pull request:
https://github.com/apache/kafka/pull/1086
KAFKA-3400: Fix describe topic in case there are zero partitions.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/SinghAsDev/kafka KAFKA-3400
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/1086.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1086
----
----
> Topic stop working / can't describe topic
> -----------------------------------------
>
> Key: KAFKA-3400
> URL: https://issues.apache.org/jira/browse/KAFKA-3400
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.9.0.1
> Reporter: Tobias
>
> we are seeing an issue were we intermittently (every couple of hours) get and
> error with certain topics. They stop working and producers give a
> LeaderNotFoundException.
> When we then try to use kafka-topics.sh to describe the topic we get the
> error below.
> Error while executing topic command : next on empty iterator
> {{
> [2016-03-15 17:30:26,231] ERROR java.util.NoSuchElementException: next on
> empty iterator
> at scala.collection.Iterator$$anon$2.next(Iterator.scala:39)
> at scala.collection.Iterator$$anon$2.next(Iterator.scala:37)
> at scala.collection.IterableLike$class.head(IterableLike.scala:91)
> at scala.collection.AbstractIterable.head(Iterable.scala:54)
> at
> kafka.admin.TopicCommand$$anonfun$describeTopic$1.apply(TopicCommand.scala:198)
> at
> kafka.admin.TopicCommand$$anonfun$describeTopic$1.apply(TopicCommand.scala:188)
> at
> scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
> at kafka.admin.TopicCommand$.describeTopic(TopicCommand.scala:188)
> at kafka.admin.TopicCommand$.main(TopicCommand.scala:66)
> at kafka.admin.TopicCommand.main(TopicCommand.scala)
> (kafka.admin.TopicCommand$)
> }}
> if we delete the topic, then it will start to work again for a while
> We can't see anything obvious in the logs but are happy to provide if needed
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