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https://issues.apache.org/jira/browse/PROTON-2900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18008029#comment-18008029
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Marco Geri edited comment on PROTON-2900 at 7/18/25 11:00 AM:
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Sure. Below are the traced Open frames exchanged.
-> AMQP:[573200870:0] Open
{ containerId='ID:7bb6edfc-0726-49d0-b5cf-13650bf15e4b:1:1',
hostname='localhost', maxFrameSize=65536, channelMax=65535, idleTimeOut=30000,
outgoingLocales=null, incomingLocales=null, offeredCapabilities=null,
desiredCapabilities=[ANONYMOUS-RELAY], properties=null}
{{<- AMQP:[573200870:0] Open}}
{ containerId='e99e41e4-43d5-4214-845b-9300f7d1488b', hostname='null',
maxFrameSize=65536, channelMax=255, idleTimeOut=5000, outgoingLocales=null,
incomingLocales=null, offeredCapabilities=[ANONYMOUS-RELAY, SHARED-SUBS,
sole-connection-for-container], desiredCapabilities=null, properties=
{product=Apache Qpid Broker-J Core, version=9.2.1,
qpid.build=63289b4d1cf001e1fc3d4b0e2e4dce64d8997241, qpid.instance_name=Broker,
qpid.virtualhost_properties_supported=true}
was (Author: JIRAUSER295325):
Sure. Below are the traced Open frames exchanged.
-> AMQP:[573200870:0] Open
{{{ containerId='ID:7bb6edfc-0726-49d0-b5cf-13650bf15e4b:1:1',
hostname='localhost', maxFrameSize=65536, channelMax=65535, idleTimeOut=30000,
outgoingLocales=null, incomingLocales=null, offeredCapabilities=null,
desiredCapabilities=[ANONYMOUS-RELAY], properties=null}}}
{{<- AMQP:[573200870:0] Open}}
{{{ containerId='e99e41e4-43d5-4214-845b-9300f7d1488b', hostname='null',
maxFrameSize=65536, channelMax=255, idleTimeOut=5000, outgoingLocales=null,
incomingLocales=null, offeredCapabilities=[ANONYMOUS-RELAY, SHARED-SUBS,
sole-connection-for-container], desiredCapabilities=null,
properties=\\{product=Apache Qpid Broker-J Core, version=9.2.1,
qpid.build=63289b4d1cf001e1fc3d4b0e2e4dce64d8997241, qpid.instance_name=Broker,
qpid.virtualhost_properties_supported=true}}}
> `IdleTimeoutCheck` not rescheduled after broker's AMQP Open frame, causing
> premature connection closure
> -------------------------------------------------------------------------------------------------------
>
> Key: PROTON-2900
> URL: https://issues.apache.org/jira/browse/PROTON-2900
> Project: Qpid Proton
> Issue Type: Bug
> Components: protonj2
> Affects Versions: protonj2-1.0.0-M23
> Reporter: Marco Geri
> Assignee: Timothy A. Bish
> Priority: Major
>
> While testing with BrokerJ 9.2.1 with AMQP 1.0 protocol, I configured the
> broker to request heartbeats every 5 seconds using the setting
> {{{}qpid.port.heartbeatDelay=5{}}}.
> However, even with a simple login test (without sending any other messages),
> the connection is closed by the broker after 10 seconds due to inactivity. It
> appears that the client library does not send any idle (heartbeat) frames
> during this time.
> After a quick debugging session, it seems that the {{IdleTimeoutCheck}} in
> the {{ProtonEngine}} is scheduled immediately with a timeout of 10 seconds,
> before the AMQP Open frame from the broker is received. The Open frame from
> the broker specifies a 5-second idle timeout, but the {{IdleTimeoutCheck}} is
> *not* rescheduled after this frame is processed.
> As a result, the client does not send heartbeat frames within the expected
> timeframe, and the broker closes the connection due to inactivity.
> *Note:* I ran the test using BrokerJ version 9.2.1, which includes a fix for
> the {{heartbeatDelay}} parameter (see QPID-8680).
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