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https://issues.apache.org/jira/browse/KAFKA-5446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16052499#comment-16052499
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ASF GitHub Bot commented on KAFKA-5446:
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Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/3338
> Annoying braces showed on log.error using streams
> --------------------------------------------------
>
> Key: KAFKA-5446
> URL: https://issues.apache.org/jira/browse/KAFKA-5446
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 0.11.0.0
> Reporter: Paolo Patierno
> Assignee: Paolo Patierno
> Priority: Trivial
> Fix For: 0.11.0.0
>
>
> Hi,
> in the stream library seems to be a wrong usage of the log.error method when
> we want to show an exception. There are useless braces at the end of the line
> before showing exception information like the following example :
> ERROR task [0_0] Could not close task due to {}
> (org.apache.kafka.streams.processor.internals.StreamTask:414)
> org.apache.kafka.clients.consumer.CommitFailedException: Commit cannot be
> completed since the group has already rebalanced and assigned the partitions
> to another member. This means that the time between subsequent calls to
> poll() was longer than the configured max.poll.interval.ms, which typically
> implies that the poll loop is spending too much time message processing. You
> can address this either by increasing the session timeout or by reducing the
> maximum size of batches returned in poll() with max.poll.records.
> at
> org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.sendOffsetCommitRequest(ConsumerCoordinator.java:725)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.commitOffsetsSync(ConsumerCoordinator.java:604)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.commitSync(KafkaConsumer.java:1146)
> as you can see in ".... due to {}", the braces aren't needed for showing
> exception info so they are printed.
> Thanks,
> Paolo.
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