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From Gregory Guibert <gregory.guib...@gmail.com>
Subject Re: Producers blocking
Date Mon, 23 Nov 2009 03:24:18 GMT
Please help !
I would really like to solve this problem urgently as it is a critical issue
on my project and would be really grateful if somebody could advise on the
configuration file.

Thank you

Greg

2009/11/20 Gregory Guibert <gregory.guibert@gmail.com>

> Hello,
>
> I am setting up a configuration of activemq with a network of brokers (4
> brokers instances) and I am facing several problems. I am using 5.2.0
> release, java 1.6.0_07
>
> 1) Sometimes, the whole set of brokers would not respond anymore for
> message producing. (blocking sendings). After restarting my applications,
> the message publishing could not restart anyway. Is it a known issue ?
>
> 2) To solve problem 1, I read the article
> http://activemq.apache.org/my-producer-blocks.html, and decided to set the
> producerFlowControl to false.
> With that option, I can see in the Jconsole that the Adivsory topics do not
> have the producer flow control set to true, even if I set the option to
> false in the configuration file. Can It be a problem ?
>
> I copied the configuration file of host1 broker at the end of this email.
> The configuration files for hosts 2, 3, 4 are similar. Can you advise on
> this configuration file ? I am not sure about the TTL option.
>
> Thank you for your help
>
> Gregory
>
>
> <?xml version="1.0" encoding="UTF-8"?>
> <beans xmlns:amq="http://activemq.apache.org/schema/core"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns="http://www.springframework.org/schema/beans"
> xsi:schemaLocation="http://www.springframework.org/schema/beans
> http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
> http://activemq.apache.org/schema/core
> http://activemq.apache.org/schema/core/activemq-core.xsd
> http://activemq.apache.org/camel/schema/spring
> http://activemq.apache.org/camel/schema/spring/camel-spring.xsd">
> <broker useJmx="true" persistent="false" dataDirectory="data"
> brokerName="activemq-MYBROKER" xmlns="
> http://activemq.apache.org/schema/core">
>
>     <destinationPolicy>
>       <policyMap>
>         <policyEntries>
>
>           <policyEntry topic="*" producerFlowControl="false"
> enableAudit="true">
>             <dispatchPolicy>
>               <strictOrderDispatchPolicy />
>             </dispatchPolicy>
>           </policyEntry>
>
>
>         </policyEntries>
>       </policyMap>
>     </destinationPolicy>
>
> <networkConnectors>
> <networkConnector name="brokerCluster"
> uri="static://(tcp://host2:61616,tcp://host3:61616,tcp://host4:61616)"
> networkTTL="4"/>
> </networkConnectors>
> <transportConnectors>
> <transportConnector uri="tcp://host1:61616"/>
> </transportConnectors>
> <managementContext>
> <managementContext connectorPort="1399"
> jmxDomainName="org.apache.activemq"/>
> </managementContext>
> </broker>
> </beans>

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