Re: [Cairo-user] [CAIRO] getting started with demos

[spencer l. <spe...@gm...>]

Hi Chris,

It looks like it may be a problem with jmf.   Cairo uses JMF for RTP
streaming.  Did you install it on the machine you are using?   The jmf
download link on Cairo installation web page is stale.  Sorry, we need to
fix that.  You can download it here

http://www.oracle.com/technetwork/java/javase/download-142937.html

If it is already installed, make sue that jmf.jar nd sound.jar are in the
lib.ext directory  of the jre that you are using.

Let me know if that solves the problem.

Spencer

On Mon, Nov 15, 2010 at 6:40 AM, Christian Schulz <chs...@df...> wrote:

> Hi all,
>
> I am new to the cairo project and I was trying out the demos you can
> download here:
> http://sourceforge.net/projects/cairo/files/
>
> Following the instructions here
> http://www.speechforge.org/projects/cairo/intro.html (that is identical
> to the instruction in the readme file included in the download) I
> however cannot get the demo applications run. In particular the
> recognizer will output this error, while trying to connect to the receiver:
>
>  Sending a SIP invitation to the cairo server.
> 2010-11-15 13:05:07,296 WARN  {EventScannerThread}
> org.speechforge.cairo.sip.SipListenerImpl
>  Received an unhandled SIP response status code (ignoring it): 183 :
> Session progress
> 2010-11-15 13:05:07,861 INFO  {main}
> org.speechforge.cairo.demo.recog.RecognitionClient
>  Received the SIP Response.
> java.lang.NullPointerException
> 2010-11-15 13:05:08,397 WARN  {Thread-7}
> org.speechforge.cairo.rtp.RTPPlayer playSource(): encountered unexpected
> exception:
> javax.media.NoDataSourceException: Error instantiating class:
> com.sun.media.protocol.dsound.DataSource : java.lang.NullPointerException
>         at javax.media.Manager.createDataSource(Manager.java:1012)
>         at
> org.speechforge.cairo.rtp.RTPPlayer.playSource(RTPPlayer.java:110)
>         at
>
> org.speechforge.cairo.rtp.NativeMediaClient$TransmitThread.run(NativeMediaClient.java:105)
> Exception in thread "Thread-7" java.lang.RuntimeException: playSource()
> encountered unexpected exception
>         at
> org.speechforge.cairo.rtp.RTPPlayer.playSource(RTPPlayer.java:153)
>         at
>
> org.speechforge.cairo.rtp.NativeMediaClient$TransmitThread.run(NativeMediaClient.java:105)
> Caused by: javax.media.NoDataSourceException: Error instantiating class:
> com.sun.media.protocol.dsound.DataSource : java.lang.NullPointerException
>         at javax.media.Manager.createDataSource(Manager.java:1012)
>         at
> org.speechforge.cairo.rtp.RTPPlayer.playSource(RTPPlayer.java:110)
>         ... 1 more
> 2010-11-15 13:05:18,577 WARN  {main}
> org.speechforge.cairo.demo.recog.RecognitionClient
>  org.mrcp4j.client.MrcpInvocationException: MRCP response contains an
> error code, the request invocation did not complete successfully.
> org.mrcp4j.client.MrcpInvocationException: MRCP response contains an
> error code, the request invocation did not complete successfully.
>         at org.mrcp4j.client.MrcpChannel.sendRequest(MrcpChannel.java:143)
>         at
>
> org.speechforge.cairo.demo.recog.RecognitionClient.doRecognize(RecognitionClient.java:164)
>         at
> org.speechforge.cairo.demo.recog.RecognitionClient.main(RecognitionCl
> ient.java:358)
> 2010-11-15 13:05:27,929 INFO  {main}
> org.speechforge.cairo.sip.SimpleSipAgent
>  Sent a SIP BYE.
>
> Thanks for your help!
>
> chris
>
>
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