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Date: Sat, 27 Oct 2012 16:03:12 +0000 (UTC)
From: "Helen Huang (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Message-ID: <1063878843.35329.1351353792433.JavaMail.jiratomcat@arcas>
In-Reply-To: <1606780758.13546.1337810503088.JavaMail.jiratomcat@issues-vm>
Subject: [jira] [Commented] (AMQCPP-405) CMS sender thread hangs after
 restarting broker
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    [ https://issues.apache.org/jira/browse/AMQCPP-405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13485462#comment-13485462 ] 

Helen Huang commented on AMQCPP-405:
------------------------------------

Hi Timothy, we did a few tests in the lab with our main application. We were able to find the follad owing two problems.

(1) Sender thread hung 

(2) Receiver was not able to receive any messages

Our server and client are on different machines. Both problem appeared after we plugged/unplugged the network cable for a number of times.

Problem (1) is harder to reproduce. We were not able to get a user dump.
problem (2) is very easy to recreate. We took a dump and will attach it to this jira.

Also, the url used by sender is: tcp://%MessageBrokerIP%:%MessageBrokerPort%?connection.sendTimeout=200
the usrl used by the receiver is: tcp://%MessageBrokerIP%:%MessageBrokerPort%?connection
                
> CMS sender thread hangs after restarting broker
> -----------------------------------------------
>
>                 Key: AMQCPP-405
>                 URL: https://issues.apache.org/jira/browse/AMQCPP-405
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: CMS Impl
>    Affects Versions: 3.4.1
>         Environment: Windows xp service pack 3, ActiveMQ broker 5.3.1, apr 1.4.2, apr-util 1.3.9, apr iconv 1.2.1
>            Reporter: Helen Huang
>            Assignee: Timothy Bish
>            Priority: Critical
>             Fix For: 3.5.0
>
>         Attachments: CrashHang_Report__CMSMessageHandlerCOM-TestReceiver.exe__10242012114621213.mht, CrashHang_Report__CMSMessageHandlerCOM-TestSender_exe__1001201211243973.mht, CrashHang_Report__CMSMessageHandlerCOM-TestSender_exe__1001201220471946.mht, CrashHang_Report__CMSMessageHandlerCOM-TestSender_exe__10022012152424484.mht, CrashHang_Report__CMSMessageHandlerCOM-TestSender_exe__10032012172730765.mht, CrashHang_Report__PID_2832__05232012143544484.mht
>
>
> The sender thread in CMS hangs after we retarted the message broker.
> The thread is 548 in the attached dump file. 
> This is a critical issue that blocks the release of our product that is scheduled in a few days. We hope you can resolve it soon. Really appreciate your help!

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