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From "sandeep jain (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (AMQCPP-412) when trying to to close session or conenction when the producer is already down, close call hangs forever
Date Tue, 12 Jun 2012 17:02:43 GMT

    [ https://issues.apache.org/jira/browse/AMQCPP-412?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293768#comment-13293768
] 

sandeep jain edited comment on AMQCPP-412 at 6/12/12 5:02 PM:
--------------------------------------------------------------

int main () {
Connection* _connection;
	Session* _session ;

    Destination* destination;
    MessageConsumer* consumer;
	std::string _brokerIP1;
	std::string _brokerIP2;
	std::string _connectedIp;
	start();
}
	
void
cleanup()
{
	try {
		if (_connection) {
			_connection->close();
		}
	} catch (CMSException& ex) {
		std::cout <<"error in closing connection";

	}
	if ( consumer ) {
		delete consumer;
		consumer =0;
	}
	if ( destination ) {
		delete destination;
		destination = 0;
	}

	if (_session) {
		delete _session;
		_session = 0;
	}
	if (_connection) {
		delete _connection;
		_connection = 0;
	}
}

void
start()
{
    _brokerIP1 = "127.0.0.1:61616";
	_brokerIP2 = _brokerIP2;
	std::string URI = _brokerIP1;
 
    while (1){
       std::string connectionURI = "failover:(tcp://" 
		+ URI + 
		")?randomize=false&maxReconnectAttempts=1";
	activemq::core::ActiveMQConnectionFactory factory = 
		activemq::core::ActiveMQConnectionFactory (connectionURI);
	try {
		_connection = factory.createConnection();
	} catch (CMSException& e){
		//exception
	}
	if (_connection) {
		break;
    }
	URI = ( URI == _brokerIP1) ? _brokerIP2 : _brokerIP1;
	sleep(5);
	}

    _connectedIp = URI;
   
    // Create a connection.
    _connection->setExceptionListener(this);
    _session = _connection->createSession(Session::AUTO_ACKNOWLEDGE);

    desitnation = _session->createTopic("Topic");
    consumer = _session->createConsumer(destination);
    consumer->setMessageListener(this);

    _connection->start();

}

void
onMessage(const Message* origMessage)
    throw ()
{
    try {
        //reading data
    } catch (CMSException& ex) {
        //exception
    } catch (std::exception &ex) {
        //exception
    }
}

void
onException(const CMSException& ex) {
	std::cout << "disconnected from " << _connectedIp.c_str();
	cleanup();
	sleep(5);
	start();
}
                
      was (Author: sandeepjn):
    Here is the sample code:

int main () {
Connection* _connection;
	Session* _session ;

    Destination* destination;
    MessageConsumer* consumer;
	std::string _brokerIP1;
	std::string _brokerIP2;
	std::string _connectedIp;
	start();
}
	
void
cleanup()
{
	try {
		if (_connection) {
			_connection->close();
		}
	} catch (CMSException& ex) {
		std::cout <<"error in closing connection";

	}
	if ( consumer ) {
		delete consumer;
		consumer =0;
	}
	if ( destination ) {
		delete destination;
		destination = 0;
	}

	if (_session) {
		delete _session;
		_session = 0;
	}
	if (_connection) {
		delete _connection;
		_connection = 0;
	}
}

void
start()
{
    _brokerIP1 = "127.0.0.1:61616";
	_brokerIP2 = _brokerIP2;
 
    while (1){
       std::string connectionURI = "failover:(tcp://" 
		+ brokerIP + 
		")?randomize=false&maxReconnectAttempts=1";
	activemq::core::ActiveMQConnectionFactory factory = 
		activemq::core::ActiveMQConnectionFactory (connectionURI);
	try {
		_connection = factory.createConnection();
	} catch (CMSException& e){
		//exception
	}
	if (_connection) {
		break;
    }
	sleep(5);
	}

    _connectedIp = connectionURI;
   
    // Create a connection.
    _connection->setExceptionListener(this);
    _session = _connection->createSession(Session::AUTO_ACKNOWLEDGE);

    desitnation = _session->createTopic("Topic");
    consumer = _session->createConsumer(destination);
    consumer->setMessageListener(this);

    _connection->start();

}

void
onMessage(const Message* origMessage)
    throw ()
{
    try {
        //reading data
    } catch (CMSException& ex) {
        //exception
    } catch (std::exception &ex) {
        //exception
    }
}

void
onException(const CMSException& ex) {
	std::cout << "disconnected from " << _connectedIp.c_str();
	cleanup();
	sleep(5);
	start();
}
                  
> when trying to to close session or conenction when the producer is already down, close
call hangs forever
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: AMQCPP-412
>                 URL: https://issues.apache.org/jira/browse/AMQCPP-412
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>          Components: Integration Tests
>    Affects Versions: 3.0
>         Environment: Unix
>            Reporter: sandeep jain
>            Assignee: Timothy Bish
>              Labels: performance
>
> when trying to close the session on connection when producer is already down, the close
call hangs forever and neither come out of the call nor throw any ex ception.
> backtrace for the same is:
>   0x28bb33ed in activemq::core::ActiveMQConnection::syncRequest ()
>    from libactivemq-cpp.so.1
> #1  0x28bb3949 in activemq::core::ActiveMQConnection::disposeOf ()
>    from libactivemq-cpp.so.1
> #2  0x28bb3ce4 in activemq::core::ActiveMQConnection::disconnect ()
>    from libactivemq-cpp.so.1
> #3  0x28bb7c9a in activemq::core::ActiveMQConnection::close ()
>    from libactivemq-cpp.so.1

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