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https://issues.apache.org/jira/browse/KAFKA-1146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13834116#comment-13834116
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Joel Koshy commented on KAFKA-1146:
-----------------------------------
We could just print something like "%s kafka stream".format(clientId) - there's
very little information that the KafkaStream class exposes. However, this is
more to protect against iterating over the full stream on a toString call.
toString on KafkaStream does not really make sense - so even a message to that
effect should be fine.
> toString() on KafkaStream gets stuck indefinitely
> -------------------------------------------------
>
> Key: KAFKA-1146
> URL: https://issues.apache.org/jira/browse/KAFKA-1146
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Affects Versions: 0.8
> Reporter: Arup Malakar
> Assignee: Neha Narkhede
> Priority: Trivial
> Fix For: 0.8.1
>
>
> There is no toString implementation for KafkaStream, so if a user tries to
> print the stream it falls back to default toString implementation which tries
> to iterate over the collection and gets stuck indefinitely as it awaits
> messages. KafkaStream could instead override the toString and return a
> verbose description of the stream with topic name etc.
> println("Current stream: " + stream) // This call never returns
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