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https://issues.apache.org/jira/browse/AMQ-5468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nguyen Hong Phu reopened AMQ-5468:
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> AMQ MQTT doesn't reject remote connection after a long time
> ------------------------------------------------------------
>
> Key: AMQ-5468
> URL: https://issues.apache.org/jira/browse/AMQ-5468
> Project: ActiveMQ
> Issue Type: Bug
> Components: Connector, MQTT
> Affects Versions: 5.9.0, 5.9.1, 5.10.0
> Environment: Linux
> Reporter: Nguyen Hong Phu
>
> Test steps:
> - Using jConsole to explore JMX MBean clientConnectors (MQTT+NIO connector).
> - Using telnet client connect to MQTT+NIO port
> - On jConsole: clientConnectors/mqtt+nio/remoteAddess appear a new connection
> with IP and local port which connect to.
> - Close telnet program
> - Waiting a long time (could be more than a day) and view remoteAddess again
> on jConsole but Remote IP (telnet) does not remove.
> Imagine that if a human open a thousand or million connections to server, AMQ
> not release connections after short time, then AMQ could be throws the ERROR
> "To many open files" and it doesn't access new connection.
> In production server (ulimit max-open-files 65000), i'm using 2 thousand
> clients but after 2 days, many ERROR "To many open files" in activemq.log to
> be throws.
> On jConsole, number of clientId is equals with clients, but RemoteIP contains
> more than 65000 IPs.
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