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https://issues.apache.org/jira/browse/ARTEMIS-5861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clebert Suconic resolved ARTEMIS-5861.
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Resolution: Fixed
> Netty acceptor not shutting down
> --------------------------------
>
> Key: ARTEMIS-5861
> URL: https://issues.apache.org/jira/browse/ARTEMIS-5861
> Project: Artemis
> Issue Type: Bug
> Affects Versions: 2.44.0
> Reporter: Justin Bertram
> Assignee: Justin Bertram
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.51.0
>
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> Thread dump analysis reveals that the broker hangs indefinitely when trying
> to close Netty channel groups in a Netty acceptor, e.g.:
> {noformat}
> State: WAITING (on object monitor)
> Stack trace:
> at
> io.netty.util.concurrent.DefaultPromise.awaitUninterruptibly(DefaultPromise.java:290)
> - locked <0x00000000dbd095a8> (a
> io.netty.channel.group.DefaultChannelGroupFuture)
> at
> io.netty.channel.group.DefaultChannelGroupFuture.awaitUninterruptibly(DefaultChannelGroupFuture.java:178)
> at
> org.apache.activemq.artemis.core.remoting.impl.netty.NettyAcceptor.asyncStop(NettyAcceptor.java:793){noformat}
>
> The code at {{NettyAcceptor.java:793}} calls
> {{channelGroup.close().awaitUninterruptibly()}} without a timeout parameter
> causing indefinite hang when channels fail to close properly. This problem is
> very rare and there is no good reproducer
> The broker should complete shutdown within a reasonable timeout period,
> forcefully closing any remaining connections if necessary.
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