JX2, need help for the errors, tks

nvidia@tegra-ubuntu:~/Downloads/gst-rtsp-server-1.8.1/examples$ gst-launch-1.0 --gst-debug=3 rtspsrc location=“rtsp://127.16.127.255:8554/test” latency=100 ! decodebin ! nvvidconv ! autovideosink
Setting pipeline to PAUSED …
0:00:00.078644797 5395 0x647460 WARN omx gstomx.c:2826:plugin_init: Failed to load configuration file: Valid key file could not be found in search dirs (searched in: /home/nvidia/.config:/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg as per GST_OMX_CONFIG_DIR environment variable, the xdg user config directory (or XDG_CONFIG_HOME) and the system config directory (or XDG_CONFIG_DIRS)
Pipeline is live and does not need PREROLL …
Progress: (open) Opening Stream
Progress: (connect) Connecting to rtsp://127.16.127.255:8554/test
0:00:00.107928313 5395 0x6478a0 ERROR default gstrtspconnection.c:960:gst_rtsp_connection_connect_with_response: failed to connect: Could not connect to 127.16.127.255: Connection refused
0:00:00.108022713 5395 0x6478a0 ERROR rtspsrc gstrtspsrc.c:4141:gst_rtsp_conninfo_connect: Could not connect to server. (Generic error)
0:00:00.108063737 5395 0x6478a0 WARN rtspsrc gstrtspsrc.c:6819:gst_rtspsrc_retrieve_sdp: error: Failed to connect. (Generic error)
0:00:00.108196344 5395 0x6478a0 WARN rtspsrc gstrtspsrc.c:6898:gst_rtspsrc_open: can’t get sdp
0:00:00.108252312 5395 0x6478a0 WARN rtspsrc gstrtspsrc.c:5075:gst_rtspsrc_loop: we are not connected
ERROR: from element /GstPipeline:pipeline0/GstRTSPSrc:rtspsrc0: Could not open resource for reading and writing.
Additional debug info:
gstrtspsrc.c(6819): 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 …

The first warning is usual…The error message seems to say there is no rtsp server at that address providing file test…Can you try this one instead:

gst-launch-1.0 rtspsrc location="rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov" ! decodebin ! nvvidconv ! xvimagesink