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From "Marek Slama (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-3728) Broker stops to accept messages
Date Tue, 21 Feb 2012 21:20:48 GMT

    [ https://issues.apache.org/jira/browse/AMQ-3728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13212962#comment-13212962
] 

Marek Slama commented on AMQ-3728:
----------------------------------

No not yet. I will test. I just run another test tonight. I will see tomorrow.
                
> Broker stops to accept messages
> -------------------------------
>
>                 Key: AMQ-3728
>                 URL: https://issues.apache.org/jira/browse/AMQ-3728
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.5.0
>         Environment: Linux, 64bit, JDK 6u30 64bit
>            Reporter: Marek Slama
>
> I have following configuration:
> 1.One producer
> 2.One broker on the same machine as producer.
> 3.One offline durable subscriber but I have enough storage size so it should not overflow.
> I run our import test and it sends about 10 messages/s. After some hours of run I start
to get:
> many 
> {code}javax.jms.JMSException: org.apache.activemq.transport.RequestTimedOutIOException{code}
>  (I set send timeout 2s to avoid infinite block in case that broker storage is full.
So first question is why it happens when there should be enough space. I will provide my broker
configuration below.)
> Then I get:
> {code}
> javax.jms.JMSException: Cannot send, channel has already failed: usfr-cmsnpdev.insideidc.com/10.1.4.42:61616
> javax.jms.JMSException: Cannot send, channel has already failed: usfr-cmsnpdev.insideidc.com/10.1.4.42:61616
> (ActiveMQ Connection Executor: tcp://usfr-cmsnpdev.insideidc.com/10.1.4.42:61616) Failed
to send message.: javax.jms.JMSException: Broken pipe
> {code}
> some more
> {code}
> javax.jms.JMSException: Cannot send, channel has already failed: usfr-cmsnpdev.insideidc.com/10.1.4.42:61616
> {code}
> and then all the time:
> {code}
> javax.jms.IllegalStateException: The Session is closed
> {code}
> I have simple producer code. It is Spring bean. I create connection and session when
bean is created. For every send message I create producer and close it:
> {code}
> //Init code
> connection = connectionFactory.createConnection();
> connection.setExceptionListener(new ExceptionListener() {
>     public void onException(JMSException ex) {
>         logger.error("Failed to send message.", ex);
>     }
> });
> session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
> ....
> //Send code
>     private void sendMessage(String xmlMessage, Topic topic, String containerId) {
>         MessageProducer producer = null;
>         try {
>             // Create the producer.
>             producer = session.createProducer(topic);
>             TextMessage txtMessage = session.createTextMessage(xmlMessage);
>             producer.send(txtMessage);
>         } catch (JMSException ex) {
>             logger.error("", ex);
>         } finally {
>             try {
>                 if (producer != null) {
>                     producer.close();
>                 }
>             } catch (JMSException ex) {
>             }
>         }
>     }
> {code}
> Use default connection factory:
> {code}
>     <bean id="idc_metacop_jmsFactory.prototype"
>           class="org.apache.activemq.ActiveMQConnectionFactory"
>           abstract="true">
>         <property name="brokerURL" value="${metacop.jms.brokerURL}"/>
>         <property name="sendTimeout" value="2000"/>
>     </bean>
> {code}
> Log from broker:
> {code}
> 2012-02-17 21:55:40,389 | INFO  | Transport failed: org.apache.activemq.transport.InactivityIOException:
Channel was inactive for too (>30000) long: /10.1.4.42:56166 | org.apache.activemq.broker.TransportConnection.Transport
| InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@fcc9c76
> 2012-02-17 21:55:42,445 | INFO  | Transport failed: org.apache.activemq.transport.InactivityIOException:
Channel was inactive for too (>30000) long: /10.1.4.42:39395 | org.apache.activemq.broker.TransportConnection.Transport
| InactivityMonitor Async Task: java.util.concurrent.ThreadPoolExecutor$Worker@fcc9c76
> {code}
> Broker configuration:
> {code}
>    <broker xmlns="http://activemq.apache.org/schema/core" brokerName="localhost" dataDirectory="${activemq.base}/data"
destroyApplicationContextOnStop="true">
>         <destinationPolicy>
>             <policyMap>
>               <policyEntries>
>                 <policyEntry topic=">" producerFlowControl="true" memoryLimit="200mb">
>                 </policyEntry>
>                 <policyEntry queue=">" producerFlowControl="true" memoryLimit="200mb">
>                 </policyEntry>
>               </policyEntries>
>             </policyMap>
>         </destinationPolicy>
>         <managementContext>
>             <managementContext createConnector="false"/>
>         </managementContext>
>         <persistenceAdapter>
>             <kahaDB directory="${activemq.base}/data/kahadb"/>
>         </persistenceAdapter>
>         <systemUsage>
>             <systemUsage>
>                 <memoryUsage>
>                     <memoryUsage limit="500 mb"/>
>                 </memoryUsage>
>                 <storeUsage>
>                     <storeUsage limit="2 gb"/>
>                 </storeUsage>
>                 <tempUsage>
>                     <tempUsage limit="2 gb"/>
>                 </tempUsage>
>             </systemUsage>
>         </systemUsage>
>         <transportConnectors>
>             <transportConnector name="openwire" uri="tcp://0.0.0.0:61616"/>
>         </transportConnectors>
>     </broker>
> {code}
> I can provide full call stacks if necessary. One thing which comes to my mind: When I
have just one connection is call of producer.send thread safe? I do not have any synchronization
there.
> BTW is there any way how to purge even undelivered messages from broker storage? Or how
to monitor number of messages in storage? I tried to delete offline durable subscribers from
Web Admin but data folder size does not change but I have no way how to see if messages was
really removed from storage (and db is not compacted only or if messages stay in storage.

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