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https://issues.apache.org/jira/browse/NIFI-6126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16809877#comment-16809877
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ASF subversion and git services commented on NIFI-6126:
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Commit cb4fdc2ae1823e44579917997973b65ffd8af0d6 in nifi's branch
refs/heads/master from Rob Fellows
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=cb4fdc2 ]
NIFI-6126 - throttle requests to refresh the canvas to prevent too many server
requests when holding down CTRL-R
* Added lodash utility library to leverage its throttle capability (and many
other useful functions in the future).
* Made lodash available in all JSP's so it could be imported into nf-common (or
any component for that matter).
* Added a throttle function to nf-common that just wraps _.throttle
This closes #3393
> Change nf-canvas to respond to keyup events rather than keydown
> ---------------------------------------------------------------
>
> Key: NIFI-6126
> URL: https://issues.apache.org/jira/browse/NIFI-6126
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core UI
> Affects Versions: 1.9.0
> Reporter: Robert Fellows
> Assignee: Robert Fellows
> Priority: Major
> Fix For: 1.10.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> nf-canvas responds to keydown events currently. This allows for a scenario
> where the user can hold down CTRL + R and continuously refresh the canvas,
> sending many requests to the server and potentially cause a Denial of Service.
> It really should be listening for keyup instead.
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