ipException with jain-sip-presence proxy: Could not forward request

Hi All,

I am currently developping an client/server application based on the  
SIP protocol.
I have installed the latest build (downloaded from the cvs repository) of the
"jain-sip-presence-proxy" and the "jain-sip".
I have built the file sip-sdp.jar with Ant and this library is used by  
my application.
All requests of the application are sent over the proxy(presence  
feature is disabled) to
the receiver.

The problem is actually that a SipException is generated by the proxy  
and I don't know if
this exception is due to a fault in the proxy or to an implementation  
error in my
application. (see stacktrace below)
[quote]
      [java] javax.sip.SipException: could not forward request
      [java]     at  
gov.nist.javax.sip.SipProviderImpl.sendRequest(SipProviderImp
l.java:547)
      [java]     at  
gov.nist.sip.proxy.RequestForwarding.forwardRequestStatelessl
y(Unknown Source)
      [java]     at  
gov.nist.sip.proxy.RequestForwarding.forwardRequest(Unknown S
ource)
      [java]     at gov.nist.sip.proxy.Proxy.processRequest(Unknown Source)
      [java]     at  
gov.nist.javax.sip.EventScanner.deliverEvent(EventScanner.jav
a:185)
      [java]     at gov.nist.javax.sip.EventScanner.run(EventScanner.java:324)
      [java]     at java.lang.Thread.run(Unknown Source)
[/quote]

This exception always occurs when the server wants to send a second  
notify request to the
client.
The request is sent to the proxy successfully, and after ~ 22 seconds,  
a  TimeoutEvent is
generated at the application's server side and the SipException is  
displayed in the proxy
server's command line.

Please find attached an image giving more information about the  
messages leading to the
error and the log files generated by the proxy server.

Any help will be appreciated.

Thanks in advance

Best Regards

Lionel Montheu

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