[jboss-dev-forums] [Design of Messaging on JBoss (Messaging/JBoss)] - Re: infinite loop when connecting to a stopped acceptor

[jmesnil]

I've isolated the problem: when there is no server to connect to, we have the infinite loop:


  |    public void testStartStop3() throws Exception
  |    {
  |       /***********************************/
  |       /* No JBM Server have been started */
  |       /***********************************/
  | 
  |       JBossConnectionFactory cf = new JBossConnectionFactory(new TransportConfiguration(NettyConnectorFactory.class.getName()),
  |                                                              null,
  |                                                              DEFAULT_CONNECTION_LOAD_BALANCING_POLICY_CLASS_NAME,
  |                                                              DEFAULT_PING_PERIOD,
  |                                                              DEFAULT_CONNECTION_TTL,
  |                                                              DEFAULT_CALL_TIMEOUT,
  |                                                              null,
  |                                                              DEFAULT_ACK_BATCH_SIZE,
  |                                                              DEFAULT_ACK_BATCH_SIZE,
  |                                                              DEFAULT_CONSUMER_WINDOW_SIZE,
  |                                                              DEFAULT_CONSUMER_MAX_RATE,
  |                                                              DEFAULT_SEND_WINDOW_SIZE,
  |                                                              DEFAULT_PRODUCER_MAX_RATE,
  |                                                              DEFAULT_MIN_LARGE_MESSAGE_SIZE,
  |                                                              DEFAULT_BLOCK_ON_ACKNOWLEDGE,
  |                                                              DEFAULT_BLOCK_ON_NON_PERSISTENT_SEND,
  |                                                              true,
  |                                                              DEFAULT_AUTO_GROUP,
  |                                                              DEFAULT_MAX_CONNECTIONS,
  |                                                              DEFAULT_PRE_ACKNOWLEDGE,
  |                                                              DEFAULT_RETRY_INTERVAL,
  |                                                              DEFAULT_RETRY_INTERVAL_MULTIPLIER,
  |                                                              DEFAULT_MAX_RETRIES_BEFORE_FAILOVER,
  |                                                              DEFAULT_MAX_RETRIES_AFTER_FAILOVER);
  |       Connection connection = cf.createConnection();
  |       assertNotNull(connection);
  | 
  |       try
  |       {
  |          connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
  |          fail("acceptor must not accept connections when stopped");
  |       }
  |       catch (Exception e)
  |       {
  |       }
  |    }
  | 

The code runs in an infinite loop in ConnectionManagerImpl.getConnectionForCreateSession: the failover() method returns true while there has been no failover.

I'm continuing the investigation

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