transmit video stream- example doesn't work

[d]

Im kind of new with ubuntu..

this is the command I installed 1.x 
sudo add-apt-repository ppa:gstreamer-developers/ppa
sudo apt-get update
sudo apt-get install gstreamer1.0*

is o.k? be cause after that i tried to launch
*server:* gst-launch-1.0 videotestsrc ! x264enc ! queue ! decodebin !
videoconvert ! autovideosink 
*client:* gst-launch-1.0 rtspsrc location=rtsp://127.0.0.1:8554/test 

*on the server nothing happens:*

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Redistribute latency...
Redistribute latency...


*on the client I get:*
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Progress: (open) Opening Stream
Progress: (connect) Connecting to rtsp://127.0.0.1:8554/test
ERROR: from element /GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0: Could not
open resource for reading and writing.
Additional debug info:
gstrtspsrc.c(5746): gst_rtspsrc_retrieve_sdp ():
/GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0:
Failed to connect. (Generic error)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...






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