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From Jim_Cross <jimcross1...@googlemail.com>
Subject Re: Orphan connections from .NET clients
Date Thu, 21 Jun 2007 07:36:21 GMT

Gaurav,

Did you ever find a workaround for this? I've hit the same problem with NMS
and ActiveMQ 4.1.1 (also seems to affect 4.1.0 but not 4.0.2), and it looks
like it could be a show stopper for us.

Cheers,

Jim


Gaurav Hariani-2 wrote:
> 
> yes
> 
> Hiram Chirino wrote:
>> Odd. look like a bug.  You using 4.1.1?
>>
>>
>> On 6/6/07, Gaurav Hariani <gaurav@blackspark.com> wrote:
>>> Since James and Hiram are back on the list ... I thought I'd repost 
>>> this-
>>>
>>> We are facing a problem of orphan connections to ActiveMQ. A simple .NET
>>> client that only creates a connection/session and then closes and exits,
>>> still shows up in jconsole.
>>> It is possible to stop it manually in jconsole.
>>>
>>> Below is an example to reproduce the problem:
>>>
>>>
>>> The following code creates a connection to an OpenWire transport
>>> connector, waits for 1 second and then closes the session/connection.
>>> Looking at JConsole ... ActiveMQ reports the connection as open. Too
>>> many open connections and ActiveMQ stops processing messages.
>>>
>>> However if the connection is not closed by the application and the
>>> application is killed using Ctrl-C ... then ActiveMQ closes the
>>> connections.
>>>
>>> Is there something obvious that I'm doing wrong or is this a bug in the
>>> TcpTransport code?
>>>
>>>
>>>
>>> using System;
>>> using System.Threading;
>>> using NMS;
>>>
>>> namespace ActiveMQ {
>>>    class TestMain {
>>>
>>>        static void Main(string[] args) {
>>>
>>>            Uri uri = new Uri("tcp://activemqserver:61616");
>>>
>>>            ConnectionFactory factory = new ConnectionFactory(uri);
>>>            IConnection connection = null;
>>>            ISession session = null;
>>>
>>>            try {
>>>                connection = factory.CreateConnection();
>>>                Console.WriteLine("Connection Created");
>>>
>>>                connection.ClientId = "[test1] " + connection.ClientId;
>>>
>>>                session = connection.CreateSession();
>>>                Console.WriteLine("Session Created");
>>>
>>>                Thread.Sleep(1000);
>>>
>>>            } finally {
>>>                session.Close();
>>>                connection.Close();
>>>                Console.WriteLine("Connection Closed");
>>>            }
>>>        }
>>>    }
>>> }
>>>
>>
>>
> 
> 

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