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From "Ryan Smith (Commented) (JIRA)" <>
Subject [jira] [Commented] (AMQ-3290) Wire format negotiation timeout: peer did not send his wire format
Date Thu, 06 Oct 2011 20:21:31 GMT


Ryan Smith commented on AMQ-3290:

"java.lang.OutOfMemoryError: unable to create new native thread" does not occur from a lack
of heap. It occurs from not enough memory left when you take all of the server's RAM and subtract
the heap. The system is probably 32-bit as well. I have never seen the error on 64-bit. The
error indicates you have too many threads and no more can be created. This error will kill
the thread that pulls new sockets off the queue and will prevent any new connections from
working. You will eventually get a true heap memory error if client continue to connect as
the unbounded socket queue will pile up. Either the process needs to be restarted or you may
be able to restart the broker using a TransportAcceptListener that is notified by onAcceptError.
> Wire format negotiation timeout: peer did not send his wire format
> ------------------------------------------------------------------
>                 Key: AMQ-3290
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.3.2
>         Environment: MS Windows 7 Home Premium x64 Intel Core i5 M 460 RAM 6GB
>            Reporter: Maxim Novikov
>            Priority: Critical
>              Labels: connection, did, failed, format, negotiation, not, peer, send, timeout,
>         Attachments: hs_err_pid24632.log
>   Original Estimate: 24h
>  Remaining Estimate: 24h
> I have two client application written on Java. Each of them has consumers to ActiveMQ
(maven dependancy 'activemq-core' version 5.3.2).
> Also there are three applications written on C# (two windows services and one ASP.NET
application) which use Apache.NMS 1.5 to connect to ActiveMQ server.
> During some time everything's fine (e.g. today this period has been about 4 hours). But
since some moment .NET started throw the following exception:
> Wire format negotiation timeout: peer did not send his wire format.
> Apache.NMS.ActiveMQ.IOException: Wire format negotiation timeout: peer did not send his
wire format.
>    at Apache.NMS.ActiveMQ.Connection.SyncRequest(Command command) in c:\dev\NMS.ActiveMQ\src\main\csharp\Connection.cs:line
>    at Apache.NMS.ActiveMQ.Connection.CheckConnected() in c:\dev\NMS.ActiveMQ\src\main\csharp\Connection.cs:line
>    at Apache.NMS.ActiveMQ.Connection.CreateAtiveMQSession(AcknowledgementMode ackMode)
in c:\dev\NMS.ActiveMQ\src\main\csharp\Connection.cs:line 467
>    at Apache.NMS.ActiveMQ.Connection.CreateSession() in c:\dev\NMS.ActiveMQ\src\main\csharp\Connection.cs:line
> Actually Java consumers also don't work though there are no errors in their part. But
I can see via ActiveMQ web console that no one Query has consumers (for each Query column
'Number Of Consumers' value equals 0).
> So actually nothing works (not Java, not C#) since some moment. I can see the error in
.NET but can't see in Java.
> Also this problem appears after restarting operation system. Not always but it happens
> PS For Java application I use org.apache.activemq.ActiveMQConnectionFactory and Mule
ESB jms:activemq-connector. And this part doesn't show error when it happens.
> For C# applications I use Apache.NMS.ActiveMQ.ConnectionFactory and every time when I
think we can face to problem I'm trying to get new connection with the following code lines:
> if ((connection == null) || !connection.IsStarted)
> {
> 	connection = factory.CreateConnection();
> 	ISession session = connection.CreateSession();
> 	IDestination dest = session.GetDestination(Queue);
> 	producer = session.CreateProducer(dest);
> }
> but unfortunately it doesn't help.

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