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https://issues.apache.org/jira/browse/NIFI-843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne updated NIFI-843:
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Attachment: 0001-NIFI-843-Ensure-that-a-new-HashMap-is-used-when-popu.patch
> RouteOnAttribute has a concurrency bug
> --------------------------------------
>
> Key: NIFI-843
> URL: https://issues.apache.org/jira/browse/NIFI-843
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 0.3.0
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Blocker
> Fix For: 0.3.0
>
> Attachments:
> 0001-NIFI-843-Ensure-that-a-new-HashMap-is-used-when-popu.patch
>
>
> Changes made for 0.3.0 involve RouteOnAttribute using a HashMap as a member
> variable and the 'volatile' keyword protects access to that member variable.
> However, it does not protect the contents of the Map. Rather than clearing
> the map and re-populating it each time, it needs to construct a hash map each
> time it is scheduled to run.
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