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From "Gary Tully" <gary.tu...@gmail.com>
Subject Re: duplicate message problem on ActiveMQ5.2.0
Date Mon, 08 Dec 2008 11:03:22 GMT
Leon,
can you try a recent snapshot[1], I think your issue may be another
variant of https://issues.apache.org/activemq/browse/AMQ-2020 which I
fixed last week.

[1] http://people.apache.org/repo/m2-snapshot-repository/org/apache/activemq/apache-activemq/5.3-SNAPSHOT/

2008/12/8 Leon Liu <ljw2083@alibaba-inc.com>:
> Hi ,
> We find that ActiveMQ will produce a duplicate message under many
> comcumers . First We send 400,000 message to broker, then start comsumer
> thread to recieve message.If We have more comsumer Threads, more
> duplicate messages would appear. We recieve messages from a broker with
> 10 threads , duplicate message can easy produced.
>
> The attachment are test java code and mq config file.
>
> Following are java version and os version
>
> 1. Java version
> java version "1.6.0_10-beta"
> Java(TM) SE Runtime Environment (build 1.6.0_10-beta-b14)
> Java HotSpot(TM) Server VM (build 11.0-b11, mixed mode)
>
> 2. Linux
> Linux core6 2.6.9-42.ELsmp #1 SMP Wed Jul 12 23:32:02 EDT 2006 x86_64
> x86_64 x86_64 GNU/Linux
>
> And CPU is 2 X Quad-Core AMD Opteron(tm) Processor 2354 , total 8 cores
>
>
> Leon Liu
>
>



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