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https://issues.apache.org/jira/browse/AMQ-6858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christopher L. Shannon resolved AMQ-6858.
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Resolution: Fixed
Fix Version/s: 5.15.3
I'm going to close this as resolved. Everything seems to be working as
intended. I merged the commits back to 5.15.3 as this is just a bunch of bug
fixes and not a new feature.
> Fix several durable subscription bridge propagation issues
> ----------------------------------------------------------
>
> Key: AMQ-6858
> URL: https://issues.apache.org/jira/browse/AMQ-6858
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker, networkbridge
> Reporter: Christopher L. Shannon
> Assignee: Christopher L. Shannon
> Fix For: 5.16.0, 5.15.3
>
>
> While testing bridging together 3 or more brokers I discovered several
> problems specifically related to durable subscription propagation. In
> general durable network subscriptions were not propagating properly when
> using more than 2 brokers either by not being created at all, not being
> removed, or even in some cases the same durable was being added twice and
> causing bridge failures.
> This jira includes the following changes to fix these issues:
> # Currently proxy network subscriptions are not eligible to be conduit. For
> topics it doesn't make sense to not use conduit subscriptions so this should
> be changed. For queue subscriptions this can sometimes be useful to conduit
> as well so I added a new flag for this. Not allowing conduit topic proxy
> network subs was causing collisions with durables and breaking bridges
> # The durable sync process should only ignore network durable subs for the
> specific bridge it is syncing, it should still be re-adding subs for other
> bridges otherwise they will get dropped
> # On demand subscription removal, the tracked demand sub should be checked to
> see if it's a network demand sub and if it still has remote durable subs
> attached to it. If it does they need to be cleaned up and removed
> # Lastly, when creating a demand subscription the consumerId should only be
> changed if the consumer is for a direct bridge and not a proxy bridge
> otherwise the demand won't be properly tracked and removed later
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