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https://issues.apache.org/jira/browse/STREAMS-182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Ebanks resolved STREAMS-182.
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Resolution: Done
> AbstractRegexExtensionExtractor needs to fix memory reference issue
> -------------------------------------------------------------------
>
> Key: STREAMS-182
> URL: https://issues.apache.org/jira/browse/STREAMS-182
> Project: Streams
> Issue Type: Bug
> Reporter: Robert Douglas
>
> The ensureTargetObject function in AbstractRegexExtensionExtractor does not
> always ensure that the collection it returns is the collection that was
> originally pointed to by the extensionKey.
> once the hashtags set has been created (either via
> Sets.newHashSet((Iterable<T>) extensions.get(extensionKey)) or
> Sets.newHashSet() depending on if it was already present) then it needs to be
> reassigned to the extensionKey. This will make sure that any modifications to
> the hashtags Set will be reflected in the final Activity Object
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