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https://issues.apache.org/jira/browse/AMQ-7017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16552635#comment-16552635
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Christopher L. Shannon commented on AMQ-7017:
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Seems like there might be more to fix here. Checking for 0 is a good idea
however it doesn't make sense that you would run into this condition in the
first place...It seems odd you would have a positive number for sends blocked
but have 0 for total sends
> ProducerBrokerExchange.getPercentageBlocked() throws ArithmeticException
> (divide by zero)
> -----------------------------------------------------------------------------------------
>
> Key: AMQ-7017
> URL: https://issues.apache.org/jira/browse/AMQ-7017
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.15.4
> Reporter: Matthew Stratton
> Priority: Trivial
> Labels: patch
> Attachments: fix-producer-exchange-divide-by-zero.txt
>
>
> I found this when testing a broker plugin for tracking messages sent
> (including some stats like getPercentageBlocked). When there have been no
> blocked messages an ArithmeticException is thrown due to an unchecked divide
> by zero.
> I fixed it and added a couple unit tests.
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