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From "Marek Slama (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3728) Broker stops to accept messages
Date Mon, 20 Feb 2012 10:27:34 GMT
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 javax.jms.JMSException: org.apache.activemq.transport.RequestTimedOutIOException (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:
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
some more 
javax.jms.JMSException: Cannot send, channel has already failed: usfr-cmsnpdev.insideidc.com/10.1.4.42:61616
and then all the time:
javax.jms.IllegalStateException: The Session is closed

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}

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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