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https://issues.apache.org/jira/browse/AMQ-7302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Tully resolved AMQ-7302.
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Resolution: Fixed
> JMX operation removeMessage(messageID) is not completing and leading to high
> CPU usage
> --------------------------------------------------------------------------------------
>
> Key: AMQ-7302
> URL: https://issues.apache.org/jira/browse/AMQ-7302
> Project: ActiveMQ
> Issue Type: Bug
> Components: JMX
> Affects Versions: 5.15.0
> Reporter: Gary Tully
> Assignee: Gary Tully
> Priority: Major
> Fix For: 5.16.0
>
>
> JMX queue move/remove/copyTo/retry ops behave badly when a queue is memory
> constrained. The operations loop over pageIn() but don't check for cursor
> being full and nothing further being paged into memory. In addition, they
> allow concurrent operation which thwarts the linear search.
> this can lead to excessive looping (high CPU), hanging and NPE depending on
> the particular JMX op.
> The loops need to short-circuit if pageIn blocks as is the norm when the
> cursor is memory constrained.
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