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https://issues.apache.org/jira/browse/ARTEMIS-1177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Bertram resolved ARTEMIS-1177.
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Fix Version/s: 2.45.0
Assignee: Justin Bertram
Resolution: Fixed
> clientFailureCheckPeriod option does not do what Doc says it does
> -----------------------------------------------------------------
>
> Key: ARTEMIS-1177
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1177
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 2.1.0
> Reporter: Jiri Daněk
> Assignee: Justin Bertram
> Priority: Minor
> Labels: pull-request-available
> Fix For: 2.45.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> If I run the following
> {noformat}
> @Test fun `clientFailureCheckPeriod option`() {
> val f =
> org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory("tcp://127.0.0.1:61616?clientFailureCheckPeriod=1000&connectionTTL=13000")
> val c = f.createConnection()
> Thread.sleep(5 * 1000)
> Runtime.getRuntime().exec("kill -SIGSTOP 27314")
> println(java.time.LocalDateTime.now())
> Thread.sleep(120 * 1000)
> }
> {noformat}
> (where 27314 is PID of Artemis), I get the following output
> {noformat}
> 2017-05-22T14:18:07.027
> 14:18:28,023 WARN AMQ212037: Connection failure has been detected: AMQ119011:
> Did not receive data from server for
> org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnection@1d90b3b6[local=
> /127.0.0.1:54584, remote=/127.0.0.1:61616] [code=CONNECTION_TIMEDOUT]
> {noformat}
> There is approx 13 second delay between broker going down and client noticing
> it. Given the documentation for clientFailureCheckPeriod, I'd expect the
> client notices it after just 1 second.
> "If the client does not receive any packets for a configurable number of
> milliseconds then it will consider the connection failed and will either
> initiate failover, or call any FailureListener instances (or
> ExceptionListener instances if you are using JMS) depending on how it has
> been configured."
> https://github.com/apache/activemq-artemis/blob/master/docs/user-manual/en/connection-ttl.md
> I think that the documentation is wrong.
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