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https://issues.apache.org/jira/browse/ARTEMIS-931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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clebert suconic closed ARTEMIS-931.
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> Improve HTTP upgrade connection
> -------------------------------
>
> Key: ARTEMIS-931
> URL: https://issues.apache.org/jira/browse/ARTEMIS-931
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 1.5.2
> Reporter: Jeff Mesnil
> Fix For: 1.5.3, 2.0.0
>
>
> When Artemis connector is configured to use http-upgrade, it will send an
> HTTP request to the server to perform the upgrade handshake and wait for
> response for 30 seconds maximum.
> The code in HttpUpgradeHandler#channelRead0 checks if the received object
> from the server is a HttpResponse and check its header.
> However if the received object is not an HttpResponse (e.g. a LastHttpContent
> if the web server is suspended and returns a 404 with a text content), the
> code does not close the context and does not countdown the latch.
> This results in a 30s block for the client when we already know that the
> connection will not be possible.
> Improving code in HttpUpgradeHandler#channelRead0 will remove this 30s wait
> time and ensure a fast dectection from the client so that it can try to
> connect to another server for example.
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