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https://issues.apache.org/jira/browse/STORM-3351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16791868#comment-16791868
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Stig Rohde Døssing commented on STORM-3351:
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[~dadovicn] The counters are not exact, they are estimates based on sampling as
I recall. If you want to know why the tuples failed, you should check your
worker log. It could be due to timeouts in the topology, or due to crashes in
your bolts.
> MqttSpout failed too many
> -------------------------
>
> Key: STORM-3351
> URL: https://issues.apache.org/jira/browse/STORM-3351
> Project: Apache Storm
> Issue Type: Question
> Components: storm-mqtt
> Affects Versions: 1.2.2
> Environment: centos 7.2 / jdk 1.8
> Reporter: dadovicn
> Priority: Major
> Attachments: image-2019-03-07-10-44-37-680.png
>
>
>
> how could cause mqtt_spout failed ?
> !image-2019-03-07-10-44-37-680.png!
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