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From Christian Posta <>
Subject Re: "OpenWireFormatNegotiator::onewayWire format negotiation timeout" when creating connection/session
Date Thu, 17 Oct 2013 02:04:01 GMT
What versions of activemq and NMS are you using?
This probably happens on a call to createConnection().. when the transport
starts up, it tries to negotiate an appropriate openwire protocol version
to use. something failed or locked up during this. can this be recreated?

On Wed, Oct 16, 2013 at 6:30 PM, JRR <> wrote:

> Hello,
> I've encountered a problem where a user of our product reported their AMQ
> messages stopped working, and when I dug into the details I found that we
> are getting an exception for:
> "OpenWireFormatNegotiator::onewayWire format negotiation timeout" when we
> create the connection and then the session. Sadly I'm not sure which call
> is
> throwing the exception, either createConnection() or createSession(). This
> is because of the granularity of the debugging error messages in our code.
> I googled around for this and didn't really find any answers, and so I'm
> hoping the experts and users on this forum might be able to provide some
> more insights into why this could be happening, and what I should look
> into.
> Thanks in advance for your help,
> -=John
> --
> View this message in context:
> Sent from the ActiveMQ - User mailing list archive at

*Christian Posta*
twitter: @christianposta

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