[Bug 796797] New: Gstreamer RTSP client connects to Gstreamer RTSP server: Only fixed number of connections are possible, then always "Error (503): Service Unavailable"

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796797

            Bug ID: 796797
           Summary: Gstreamer RTSP client connects to Gstreamer RTSP
                    server: Only fixed number of connections are possible,
                    then always "Error (503): Service Unavailable"
    Classification: Platform
           Product: GStreamer
           Version: 1.14.1
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-rtsp-server
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: meinemailingliste2 at online.de
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 373004
  --> https://bugzilla.gnome.org/attachment.cgi?id=373004&action=edit
Wireshark trace of 5 successful connection and 20 not successful connections

I have a Gstreamer RTSP server, Gstreamer version 1.14.1 on Linux i.MX6.
I use a Gstreamer RTSP client, Gstreamer version 1.14.1 also on Linux i.MX6.
Both on same machine or on different machines, does not matter.
Linux is almost mainline latest.

Client side:

# cat stopme_5s
eos,   name=Done-testing, playback-time=5.0
stop, playback-time=7.0

# cat run_streaming_5s_multiple_times.sh
echo "*************************************"
echo "*** HERE IS THE START OF THE TEST ***"
echo "*************************************"
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh
./run_streaming_5s.sh

# cat run_streaming_5s.sh
gst-validate-1.0 --set-scenario stopme_5s rtspsrc
location=rtsp://10.5.121.255:8554/live ! capsfilter
caps=application/x-rtp,media=video ! rtph264depay ! identity silent=false !
fakesink
#

Server side: 

Part of a bigger application. 

When I let run the above test script, I see that I can connect 5 times,
but all further connects are rejected by "Error (503): Service Unavailable".

Major problem: Why only 5 connections? TCP is completely disconnected,
no still established connections? Does RTSP server not handle sudden
disconnects of the TCP connections and requires TEARDOWN to work
correctly?

Minor problem: Is it correct, that Gstreamer RTSP client (Element rtspsrc)
does not use a TEARDOWN message? Instead just disconnects?

I found https://bugzilla.gnome.org/show_bug.cgi?id=757624, 
looks similar, but I assume that such an important bug is not existing for 3
years?

I attach a Wireshark trace and also a Gstreamer trace.

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