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From "Ivan Shcheklein (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-3213) failover doesn't reconnect after broker restart
Date Tue, 09 Aug 2011 11:07:27 GMT

    [ https://issues.apache.org/jira/browse/AMQ-3213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13081566#comment-13081566
] 

Ivan Shcheklein commented on AMQ-3213:
--------------------------------------

@Arthur Yes, I tried both - didn't work, as far as I remember.

@Gary @Andreas I've tried without failover. It works so far. Though I think it's not obvious
that failover can not be used in the network connector. This still can be considered as a
buggy behavior I suppose.

> failover doesn't reconnect after broker restart
> -----------------------------------------------
>
>                 Key: AMQ-3213
>                 URL: https://issues.apache.org/jira/browse/AMQ-3213
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.2
>         Environment: Windows 7 x64, jdk 1.6.0_21
>            Reporter: Ivan Shcheklein
>
> I have a network of three brokers: two embedded (publisher and subscriber) and one stand
alone remote. Embedded brokers connect to the remote with duplex static failover connections.
Everything works fine if remote broker is not restarted. After the remote broker is restarted
embedded brokers fail to reestablish duplex bridges. Subscriber doesn't receive any messages
and in logs I have:
> *Subscriber worker:*
> {code}
> Received 14-th message.
> Received 15-th message.
> Received 16-th message.
> 2011:03:09 18:19:08,276 [WARN ] org.apache.activemq.transport.failover.FailoverTransport
- Transport (localhost/127.0.0.1:61616) failed to tcp://localhost:61616 , attempting to automatically
reconnect due to: java.net.SocketException: Connection reset
> 2011:03:09 18:19:08,276 [INFO ] org.apache.activemq.network.DemandForwardingBridgeSupport
- Outbound transport to remote interrupted.
> 2011:03:09 18:19:22,426 [INFO ] org.apache.activemq.network.DemandForwardingBridgeSupport
- Network connection between vm://local1#0 and tcp://localhost:61616(remote) has been established.
> 2011:03:09 18:19:22,429 [INFO ] org.apache.activemq.network.DemandForwardingBridgeSupport
- Outbound transport to remote resumed
> 2011:03:09 18:19:22,429 [INFO ] org.apache.activemq.transport.failover.FailoverTransport
- Successfully reconnected to tcp://localhost:61616
> 2011:03:09 18:19:22,455 [WARN ] org.apache.activemq.broker.TransportConnection - Unexpected
extra broker info command received: BrokerInfo {commandId = 1929, responseRequired = false,
brokerId = ID:Air-17262-1299683959982-0:1, brokerURL = tcp://validation.sls.microsoft.com:61616,
slaveBroker = false, masterBroker = false, faultTolerantConfiguration = false, networkConnection
= false, duplexConnection = false, peerBrokerInfos = [], brokerName = remote, connectionId
= 0, brokerUploadUrl = null, networkProperties = null}
> {code}
> *Publisher worker:*
> {code}
> Sending 28-th message
> Sending 29-th message
> Sending 30-th message
> 2011:03:09 18:19:22,430 [INFO ] org.apache.activemq.network.DemandForwardingBridgeSupport
- Network connection between vm://local#0 and tcp://localhost:61616(remote) has been established.
> 2011:03:09 18:19:22,435 [INFO ] org.apache.activemq.network.DemandForwardingBridgeSupport
- Outbound transport to remote resumed
> 2011:03:09 18:19:22,435 [INFO ] org.apache.activemq.transport.failover.FailoverTransport
- Successfully reconnected to tcp://localhost:61616
> 2011:03:09 18:19:22,469 [WARN ] org.apache.activemq.broker.TransportConnection - Unexpected
extra broker info command received: BrokerInfo {commandId = 1911, responseRequired = false,
brokerId = ID:Air-17262-1299683959982-0:1, brokerURL = tcp://validation.sls.microsoft.com:61616,
slaveBroker = false, masterBroker = false, faultTolerantConfiguration = false, networkConnection
= false, duplexConnection = false, peerBrokerInfos = [], brokerName = remote, connectionId
= 0, brokerUploadUrl = null, networkProperties = null}
> Sending 31-th message
> Sending 32-th message
> Sending 33-th message
> {code}
> *Sample code to reproduce this issue:*
> {code}
> import org.apache.activemq.ActiveMQConnectionFactory;
> import org.apache.activemq.broker.BrokerService;
> import org.apache.activemq.broker.TransportConnector;
> import org.apache.activemq.network.NetworkConnector;
> import javax.jms.*;
> import java.net.URI;
> public class JmsTester implements MessageListener {
>     private static final int size = 256;
>     private static byte[] payload;
>     static {
>         char[] DATA = "abcdefghijklmnopqrstuvwxyz".toCharArray();
>         payload = new byte[size];
>         for (int i = 0; i < size; i++) {
>             payload[i] = (byte)DATA[i % DATA.length];
>         }
>     }
>     public static void main(String[] args) throws Exception {
>         if(System.getProperty("jms.mode").equals("publisher"))
>             publisher();
>         else if(System.getProperty("jms.mode").equals("broker"))    
>             broker();
>         else
>             subscriber();
>     }
>     private static void publisher() throws Exception {
>         System.out.println("Starting publisher ...");
>         BrokerService broker = new BrokerService();
>         broker.setBrokerName("local");
>         broker.setUseJmx(true);
>         broker.setPersistent(true);
>         NetworkConnector nc = broker.addNetworkConnector("static:(failover:(tcp://localhost:61616))");
>         nc.setDuplex(true);
>         nc.setNetworkTTL(4);
>         broker.start();
>         ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://local");
>         Connection connection = factory.createConnection();
>         Session session = connection.createSession(false, Session.DUPS_OK_ACKNOWLEDGE);
>         Topic topic = session.createTopic("topictest.messages");
>         MessageProducer publisher = session.createProducer(topic);
>         publisher.setDeliveryMode(DeliveryMode.PERSISTENT);
>         for (int i=0; i<1000; i++) {
>             Thread.sleep(1000);
>             System.out.println("Sending " + i + "-th message");
>             BytesMessage msg = session.createBytesMessage();
>             msg.setIntProperty("count", i);
>             msg.writeBytes(payload);
>             publisher.send(msg);
>         }
>         broker.stop();
>     }
>     private static void broker() throws Exception {
>         System.out.println("Starting broker ...");
>         BrokerService broker = new BrokerService();
>         broker.setPersistent(true);
>         broker.setBrokerName("remote");
>         broker.setUseJmx(true);
>         TransportConnector connector = new TransportConnector();
>         connector.setUri(new URI("tcp://localhost:61616"));
>         
>         broker.addConnector(connector);
>         broker.start();
>         while(true) { }
>     }
>     private static void subscriber() throws Exception {
>         System.out.println("Starting subscriber ...");
>         BrokerService broker = new BrokerService();
>         broker.setBrokerName("local1");
>         broker.setUseJmx(true);
>         broker.setPersistent(true);
>         NetworkConnector nc = broker.addNetworkConnector("static:(failover:(tcp://localhost:61616))");
>         nc.setDuplex(true);
>         nc.setNetworkTTL(4);
>         broker.start();
>         ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://local1");
>         Connection connection = factory.createConnection();
>         connection.setClientID("subscriber2");
>         Session session = connection.createSession(false, Session.DUPS_OK_ACKNOWLEDGE);
>         Topic topic = session.createTopic("topictest.messages");
>         MessageConsumer consumer = session.createDurableSubscriber(topic, "subscriber2");
>         JmsTester tester = new JmsTester();
>         consumer.setMessageListener(tester);
>         connection.start();
>         while(true) {
>             Thread.sleep(1000);
>         }
>     }
>     @Override
>     public void onMessage(Message message) {
>         try {
>             int count = message.getIntProperty("count");
>             System.out.println("Received " + count + "-th message.");
>         } catch (JMSException e) {
>             e.printStackTrace();
>         }
>     }
> }
> {code}

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