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From Michal Singer <Michal.Sin...@expand.com>
Subject Re: Fail to reconnect to AMQ queues after restarting the broker
Date Tue, 03 Feb 2009 05:52:32 GMT

Great, it helped.
thanks.


Dejan Bosanac wrote:
> 
> Hi,
> 
> if you put just one broker URL inside the failover transport URI, like
> 
> failover:(tcp://localhost:61616)
> 
> the client will try to reconnect to that broker in case that connection
> dies.
> 
> Regards
> --
> Dejan Bosanac
> 
> Open Source Integration - http://fusesource.com/
> ActiveMQ in Action - http://www.manning.com/snyder/
> Blog - http://www.nighttale.net
> 
> 
> On Mon, Feb 2, 2009 at 11:14 AM, Michal Singer
> <Michal.Singer@expand.com>wrote:
> 
>>
>> Hi, the failover transport lets you load balance clients over a number of
>> brokers.
>> However, i have one broker and i don't need any more brokers.
>> I want the client to be able to reconnect to the same broker once it is
>> up
>> again.
>> How can i do that?
>>
>> Thanks, Michal
>>
>>
>>
>> Dejan Bosanac wrote:
>> >
>> > Hi,
>> >
>> > take a look at failover transport
>> >
>> > http://activemq.apache.org/failover-transport-reference.html
>> >
>> > you should use this transport on the client side to enable successful
>> > reconnection.
>> >
>> > Cheers
>> > --
>> > Dejan Bosanac
>> >
>> > Open Source Integration - http://fusesource.com/
>> > ActiveMQ in Action - http://www.manning.com/snyder/
>> > Blog - http://www.nighttale.net
>> >
>> >
>> > On Sun, Feb 1, 2009 at 9:04 AM, Michal Singer
>> > <Michal.Singer@expand.com>wrote:
>> >
>> >>
>> >> Hi.
>> >> I am trying to simulate a scenario where the process raising the
>> broker
>> >> crashed and was raised again.
>> >> I get a lot of EOF exceptions. what configuration is needed so that
>> the
>> >> client will succeed to reconnect to the queues after broker was
>> >> restarted?
>> >>
>> >> This is the exception i get:
>> >> javax.jms.JMSException: java.io.EOFException
>> >> at
>> >>
>> >>
>> org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:62)
>> >> at
>> >>
>> >>
>> org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1252)
>> >> at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1659)
>> >> at
>> >>
>> >>
>> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:227)
>> >> at
>> >>
>> >>
>> org.apache.activemq.ActiveMQMessageProducerSupport.send(ActiveMQMessageProducerSupport.java:300)
>> >> at
>> >>
>> >>
>> com.expand.expandview.infrastructure.task_executor.ClientExecuterController.sendMessage(ClientExecuterController.java:383)
>> >> at
>> >>
>> >>
>> com.expand.expandview.infrastructure.task_executor.ClientExecuterController.operate(ClientExecuterController.java:336)
>> >> at
>> >>
>> >>
>> com.expand.expandview.infrastructure.proxies.AbstractAsyncProxy.operate(AbstractAsyncProxy.java:88)
>> >> at
>> >>
>> >>
>> com.expand.expandview.infrastructure.proxies.ClientProxy.operate(ClientProxy.java:43)
>> >> at
>> >>
>> >>
>> com.expand.expandview.client.services.LogicServices.operateOnNoWait(LogicServices.java:106)
>> >> at
>> >>
>> >>
>> com.expand.expandview.client.services.ClientAgentLogicServices.operate(ClientAgentLogicServices.java:36)
>> >> at
>> >>
>> >>
>> com.expand.expandview.client.services.AgentServices.operateMsg(AgentServices.java:53)
>> >> at
>> >>
>> >>
>> com.expand.expandview.client.servlets.agent.AgentServlet.doPost(AgentServlet.java:112)
>> >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>> >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>> >> at
>> >>
>> >>
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>> >> at
>> >>
>> >>
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>> >> at
>> >>
>> >>
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>> >> at
>> >>
>> >>
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>> >> at
>> >>
>> >>
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
>> >> at
>> >>
>> >>
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>> >> at
>> >>
>> >>
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>> >> at
>> >>
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
>> >> at
>> >>
>> >>
>> org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:880)
>> >> at
>> >>
>> >>
>> org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:719)
>> >> at
>> >>
>> >>
>> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2081)
>> >> at
>> >>
>> >>
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
>> >> at
>> >>
>> >>
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
>> >> at java.lang.Thread.run(Thread.java:595)
>> >> Caused by: java.io.EOFException
>> >> at java.io.DataInputStream.readInt(DataInputStream.java:358)
>> >> at
>> >>
>> >>
>> org.apache.activemq.openwire.OpenWireFormat.unmarshal(OpenWireFormat.java:269)
>> >> at
>> >>
>> >>
>> org.apache.activemq.transport.tcp.TcpTransport.readCommand(TcpTransport.java:209)
>> >> at
>> >>
>> org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:201)
>> >> at
>> >>
>> org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:184)
>> >> ... 1 more
>> >>
>> >>
>> >> This is the activemq configuraiton i use:
>> >> xml version="1.0" encoding="UTF-8"?>
>> >> <beans xsi:schemaLocation="http://www.springframework.org/schema/beans
>> >> http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
>> >> http://activemq.org/config/1.0
>> >> http://activemq.apache.org/schema/activemq-core.xsd
>> >> http://activemq.apache.org/camel/schema/spring
>> >> http://activemq.apache.org/camel/schema/spring/camel-spring.xsd"
>> >> xmlns:amq="http://activemq.org/config/1.0"
>> >> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>> >> xmlns="http://www.springframework.org/schema/beans">
>> >> <bean
>> >>
>> >>
>> class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
>> >> <broker brokerName="embeddedbroker" useJmx="true" persistent="true"
>> >> dataDirectory="..\..\work\activemq-data"
>> >> xmlns="http://activemq.org/config/1.0">
>> >> <transportConnectors>
>> >> <transportConnector name="tcp"
>> >>
>> >>
>> uri="tcp://localhost:61616?wireFormat.maxInactivityDuration=0&amp;soTimeout=60000&amp;connectionTimeout=60000"/>
>> >> </transportConnectors>
>> >> <networkConnectors>
>> >> <networkConnector name="default-nc" uri="multicast://default"/>
>> >> </networkConnectors>
>> >> <managementContext>
>> >> <managementContext connectorPort="1099"
>> >> jmxDomainName="org.apache.activemq"/>
>> >> </managementContext>
>> >> <systemUsage>
>> >> <systemUsage>
>> >> <memoryUsage>
>> >> <memoryUsage limit="10 mb" percentUsageMinDelta="20"/>
>> >> </memoryUsage>
>> >> <tempUsage>
>> >> <tempUsage limit="100 mb"/>
>> >> </tempUsage>
>> >> </systemUsage>
>> >> </systemUsage>
>> >> </broker>
>> >> </beans>
>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://www.nabble.com/Fail-to-reconnect-to-AMQ-queues-after-restarting-the-broker-tp21772575p21772575.html
>> >> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>> >>
>> >>
>> >
>> >
>> > -----
>> > Dejan Bosanac
>> >
>> > Open Source Integration - http://fusesource.com/
>> > ActiveMQ in Action - http://www.manning.com/snyder/
>> > Blog - http://www.nighttale.net
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/Fail-to-reconnect-to-AMQ-queues-after-restarting-the-broker-tp21772575p21787142.html
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
>>
> 
> 
> -----
> Dejan Bosanac
> 
> Open Source Integration - http://fusesource.com/
> ActiveMQ in Action - http://www.manning.com/snyder/
> Blog - http://www.nighttale.net
> 

-- 
View this message in context: http://www.nabble.com/Fail-to-reconnect-to-AMQ-queues-after-restarting-the-broker-tp21772575p21804342.html
Sent from the ActiveMQ - User mailing list archive at Nabble.com.


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