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https://issues.apache.org/jira/browse/ARIES-12?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12761575#action_12761575
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Rick McGuire commented on ARIES-12:
-----------------------------------

I'd don't believe this is an issue. synchrously, I believe, refers to having an 
ordering to the delivered events, not that processing needs to be delayed until 
all of the events have been delivered. 

> BlueprintListener events are not delivered synchronously and bad/tardy 
> listeners are not ignored
> ------------------------------------------------------------------------------------------------
>
>                 Key: ARIES-12
>                 URL: https://issues.apache.org/jira/browse/ARIES-12
>             Project: Aries
>          Issue Type: Bug
>          Components: Blueprint
>            Reporter: Rick McGuire
>            Assignee: Alan Cabrera
>
> The spec states that the events must be delivered synchronously. "These 
> events are send synchronously with their cause. That is, all listeners must 
> be notified before the Blueprint Container continues to the next step." So we 
> must not use a thread pool to deliver.
> It also states "Blueprint Listener services that throw Exceptions or do not 
> return in a reasonable time as judged by the Blueprint extender 
> implementation, should be logged, if possible, and further ignored." We don't 
> do this.

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