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Date: Sat, 6 Jul 2013 01:29:48 +0000 (UTC)
From: "Hank.X.Hua (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Message-ID: <JIRA.12656438.1373074178655.6646.1373074188630@arcas>
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Subject: [jira] [Created] (AMQ-4622) Broter connect to themselves when using
 the Multicast Transport in NetworkConnector
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Hank.X.Hua created AMQ-4622:
-------------------------------

             Summary: Broter connect to themselves when using the Multicast=
 Transport in NetworkConnector
                 Key: AMQ-4622
                 URL: https://issues.apache.org/jira/browse/AMQ-4622
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker, Connector, JMS client, Message Store
    Affects Versions: 5.8.0
         Environment: pc(computer), windows 7(os),Multicast Transport,netwo=
rkConnector
            Reporter: Hank.X.Hua
             Fix For: 5.x


ActiveMQ Configuration=EF=BC=9A
<broker useJmx=3D"true" xmlns=3D"http://activemq.apache.org/schema/core" br=
okerName=3D"Hank1" dataDirectory=3D"${activemq.data}">
    <transportConnectors>
           <transportConnector name=3D"openwire" uri=3D"tcp://0.0.0.0:61623=
?maximumConnections=3D1000&amp;wireformat.maxFrameSize=3D104857600"=20
=09=09discoveryUri=3D"multicast://239.254.254.254:6255?group=3Dmq"/>
    </transportConnectors>
    <networkConnectors>
=09<networkConnector name=3D"MQ1" uri=3D"multicast://239.254.254.254:6255?g=
roup=3Dmq"/>
    </networkConnectors>

With this configuration, after starting the MQ, the MQ will appear " Networ=
k connection between vm://Hank1#0 and tcp://Computer name/IP:61623@50576(Ha=
nk1) has been established" in the activemq.log, When a consumer is listenin=
g, it will appear two consumer in "Number of Consumer" of  "http://localhos=
t:8168/admin/queues.jsp".This will lead to not receive the complete message=
(for example producer send 100 messages, the consumer of "ID:WCMIS147-50871=
-1373073323074-0:1" will receive 73 messages,and another one of "TalendESB-=
MQ1_Hank1_inbound_Hank1
" will receive 27 messages)

So ,I think this bug is dangerous,if it was really exsit


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