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https://issues.apache.org/jira/browse/DISPATCH-2262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17434954#comment-17434954
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Ted Ross commented on DISPATCH-2262:
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[~gsim] - I think this one's a little different:
- It's intermittent, sometimes occurring and sometimes not with the same
(default) configuration.
- When it happens (no empty frames), the timer does not expire and the
connection does not close.
> Edge/Interior connections can half-fail in real multi-cloud environments
> ------------------------------------------------------------------------
>
> Key: DISPATCH-2262
> URL: https://issues.apache.org/jira/browse/DISPATCH-2262
> Project: Qpid Dispatch
> Issue Type: Bug
> Components: Container
> Affects Versions: 1.17.0
> Reporter: Ted Ross
> Assignee: Ted Ross
> Priority: Major
> Fix For: 1.18.0
>
>
> See PROTON-2440 for context.
> The configured keepalive on edge-to-interior connections can fail to provide
> protection from connection loss. This results in half-failed connections
> where the edge sees connection failure and re-connects and the interior sees
> nothing and accumulates multiple connections from the same edge.
> This is a serious problem because the interior will attempt to forward
> deliveries across these dead-but-seemingly-alive connections resulting in
> lack of message delivery.
> The solution proposed in this issue is to work around the problem by
> introducing an application-level keepalive for edge-to-interior connections.
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