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https://issues.apache.org/jira/browse/ARTEMIS-2113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16665226#comment-16665226
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clebert suconic commented on ARTEMIS-2113:
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Perhaps the connection is closed before the packet arrived? is that the issue?
> When AMQP links are opened and closed in quick succession, Artemis doesn’t
> always respond with attach/detach frames confirming the opening/closing of
> the links
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: ARTEMIS-2113
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2113
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: AMQP
> Affects Versions: 2.6.3
> Environment: This test was done in .NET using the Amqp.Net Lite
> library 2.1.4 (which is the latest version).
> Reporter: Simon Chalmers
> Priority: Major
> Attachments: ArtemisTest.zip, artemis-2.6.3.log, artemis-2.7.0.log,
> dotnet-artemis-2.6.3.txt, dotnet-artemis-2.7.0.txt
>
>
> A trace of a message exchange with Artemis where this has occurred is below.
> The lines highlighted in yellow show opening and then closing two AMQP links,
> but Artemis doesn’t respond after that with its own attach/detach frames,
> which acknowledge the opening/closing of those links. The lines highlighted
> in green are heartbeat frames sent to Artemis, sent every 15 seconds, which
> illustrates that one minute passed without receiving the attach/detach frames
> from Artemis.
> SEND AMQP 3 1 0 0
> RECV sasl-mechanisms(sasl-server-mechanisms:[PLAIN,ANONYMOUS])
> SEND sasl-init(mechanism:PLAIN,initial-response:...,hostname:localhost)
> RECV sasl-outcome(code:0)
> SEND AMQP 0 1.0.0
> SEND (ch=0)
> open(container-id:AMQPNetLite-43a6c9ad,host-name:localhost,max-frame-size:262144,channel-max:255,idle-time-out:2147483647)
> RECV AMQP 0 1 0 0
> SEND (ch=0)
> begin(next-outgoing-id:4294967293,incoming-window:2048,outgoing-window:2048,handle-max:63)
> RECV (ch=0)
> open(container-id:0.0.0.0,max-frame-size:131072,channel-max:65535,idle-time-out:30000,offered-capabilities:[sole-connection-for-container,DELAYED_DELIVERY,SHARED-SUBS,ANONYMOUS-RELAY],properties:[product:apache-activemq-artemis,version:2.6.3])
> {color:#f6c342}SEND (ch=0)
> attach(name:link1,handle:0,role:False,source:source(),target:target(address:q1),initial-delivery-count:0)
> SEND (ch=0) detach(handle:0,closed:True)
> SEND (ch=0)
> attach(name:link0,handle:1,role:False,source:source(),target:target(address:q0),initial-delivery-count:0)
> SEND (ch=0) detach(handle:1,closed:True){color}
> RECV (ch=0)
> begin(remote-channel:0,next-outgoing-id:1,incoming-window:2147483647,outgoing-window:2147483647,handle-max:65535)
> {color:#14892c}SEND (ch=0) empty
> SEND (ch=0) empty
> SEND (ch=0) empty
> SEND (ch=0) empty{color}
> Note that this doesn’t always happen. Sometimes Artemis does respond, as
> shown by the lines highlighted in bold/grey in the trace below.
> SEND AMQP 3 1 0 0
> RECV sasl-mechanisms(sasl-server-mechanisms:[PLAIN,ANONYMOUS])
> SEND sasl-init(mechanism:PLAIN,initial-response:...,hostname:localhost)
> RECV sasl-outcome(code:0)
> SEND AMQP 0 1.0.0
> SEND (ch=0)
> open(container-id:AMQPNetLite-b00e0be7,host-name:localhost,max-frame-size:262144,channel-max:255,idle-time-out:2147483647)
> RECV AMQP 0 1 0 0
> RECV (ch=0)
> open(container-id:0.0.0.0,max-frame-size:131072,channel-max:65535,idle-time-out:30000,offered-capabilities:[sole-connection-for-container,DELAYED_DELIVERY,SHARED-SUBS,ANONYMOUS-RELAY],properties:[product:apache-activemq-artemis,version:2.6.3])
> SEND (ch=0)
> begin(next-outgoing-id:4294967293,incoming-window:2048,outgoing-window:2048,handle-max:63)
> RECV (ch=0)
> begin(remote-channel:0,next-outgoing-id:1,incoming-window:2147483647,outgoing-window:2147483647,handle-max:65535)
> {color:#f6c342}SEND (ch=0)
> attach(name:link1,handle:0,role:False,source:source(),target:target(address:q1),initial-delivery-count:0)
> SEND (ch=0) detach(handle:0,closed:True)
> SEND (ch=0)
> attach(name:link0,handle:1,role:False,source:source(),target:target(address:q0),initial-delivery-count:0)
> SEND (ch=0) detach(handle:1,closed:True){color}
> *{color:#707070}RECV (ch=0)
> attach(name:link1,handle:0,role:True,snd-settle-mode:2,rcv-settle-mode:0,source:source(),target:target(address:q1)){color}*
> RECV (ch=0)
> flow(next-in-id:4294967293,in-window:2147483647,next-out-id:1,out-window:2147483647,handle:0,delivery-count:0,link-credit:1000)
> *{color:#707070}RECV (ch=0) detach(handle:0,closed:True){color}*
> {color:#f6c342}SEND (ch=0)
> attach(name:link1,handle:0,role:False,source:source(),target:target(address:q1),initial-delivery-count:0)
> SEND (ch=0) detach(handle:0,closed:True){color}
> {color:#14892c}SEND (ch=0) empty
> SEND (ch=0) empty
> SEND (ch=0) empty
> SEND (ch=0) empty{color}
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