Hello,

I got reports like this before M3 has been released
Debugging shows camera/microphone stream just stops flow on client
(you can see NOT_FLOWING in the logs)
I was able to see this on Windows VM only, one of the cases was fixed
and was included into M3

I would appreciate if you can share details so I'll try to reproduce
the issue (impossible to fix without reproducing)
1) Is the problem reproducible at demo-next?
https://om.alteametasoft.com:8443/next/ (It is M4, but still will be
good to know)
2) Your client/server OS
3) Client browser name/version
4) Are you connecting directly or have front-end proxy (Apache/nginx)
5) Do you have CPU high load during connection interruption?
6) Anything else ...

On Fri, 20 Mar 2020 at 16:06, Denis Noctor <[email protected]> wrote:
>
> Hi there Hosch, my gut reaction is that this is down to the turn server setup 
> I have... but I could be wrong. I am hoping that if there is someone out 
> there that has managed to setup a perfectly working model... that they might 
> share... and explain it in simple terms from A to Z... after the initial 
> installation prerequisites. It is 3am on this side, so I will put my head 
> down for a few hours... but hopefully will wake up to a plethora of 
> suggestions... look after yourself too. Talk soon... and thanks for reaching 
> out! All the best. Denis.
>
> Sent from my iPhone
>
> On Mar 20, 2020, at 2:45 AM, Stefan Kühl <[email protected]> wrote:
>
> Morning!
>
> Denis, could please explain how you are going to connect to OM? Is it 
> possible that these problems are caused by network issues?
> I've got this by myself yesterday evening in a class with 7 other students. 
> Couldn't find anything in kurento or om logs. I suggested that I just run in 
> little disconnections in private network or provider connections?!
>
> Greetings and stay healthy everyone!
>
>
> Hosch
>
>
>
>
> Am 20.03.2020 09:15, schrieb Denis Noctor:
>
> @Tajuddin and anybody else that can help.
>
> Tajuddin, I have been "off grid" for some time and apologies to those I have 
> not been able to be in contact with recently.
>
> Hopefully you might be able to provide me with some help. And please forgive 
> me if I haven't seen a previous, solution or comment that might help me with 
> this problem.
>
> I am adding to a thread that was created by in May of last year (2019)... and 
> given the whole Coronavirus issue, I have been forced to look into a working 
> version of OpenMeetings, on an AWS instance... before things turn to s#it on 
> my side... and when I say "s#it"... it is breaking my heart.
>
> I set up OM some time back and everything seem to run beautifully.... a few 
> glitches with uploading ( I understand there have been some improvements).... 
> but after increasing ram and cpu speed things got to an acceptable level 
> (running OM 5 - M2). As you can appreciate, due to recent events, I have 
> needed to revisit the whole online approach of things and have ran into the 
> following problem:
>
> (Tested with me and a few others students on a "one to one" basis)
>
> When I am initially in a room... everything works as expected, I am able to 
> move from whiteboard to whiteboard and demonstrate a great class, with audio, 
> video, pdfs and so on.... but suddenly my audio and video is disconnected... 
> I can still see and hear the other participant... but they can't see or hear 
> me.... I refresh the page... and everything continues as normal for a few 
> mins... and my audio and video is disconnected again. This "seems" to be 
> Kurento related  only (I assume) as I can still interact with everyone via 
> whiteboard etc.
>
> Based on previous messages that you may see below with Tajuddin, this is 
> probably related to having a AWS EC2 virtual server... using a "NUMB" "turn 
> server" (details below in a previous message).
>
> Is there anyone out there that can explain in simple terms... "apples and 
> bananas"... what I should be doing in order to get things running to at least 
> a minimal acceptable level?
>
> For reference, I have the following setup (I know that some recommendations 
> will be to upgrade to OM 5.03... but I am still curious as to the "why" 
> regarding my current setup and situation).
>
> OM
> Version 5.0.0-M2-SNAPSHOT
> Revision 85daa3b
> Build date 2019-05-13T16:53:23Z
>
> Kurento 6.10.0 bionic kms6
>
> Ubuntu 18.04
>
> Once again, if if hasn't been clear... in this email or others... I am a 
> simple teacher that thought by opening up a AWS EC2 instance, I could make a 
> difference... and now even more, given the state of affairs... I am bumbling 
> over my owns steps trying to get something working... I think I have even 
> knotted myself up in confusion.
>
> I would appreciate any help on this...  @Tajuddin  @Maxim and at anybody else.
>
> If you can.... please... get back in touch with constructive comments or 
> suggestions... I know you all have a lot going on during this time and I wish 
> you all the best and good health...
>
> I am more than happy to make myself a personal ambassador of OM after all of 
> this!
>
> All the best.
>
> Denis
>
>
>
> On Tue, May 28, 2019 at 4:04 AM Denis Noctor <[email protected]> wrote:
>>
>> Good man Tajuddin. Much appreciated - will check this out in the morning. 
>> All the best, Denis.
>>
>> Sent from my iPhone
>>
>> On May 28, 2019, at 2:49 AM, Tajuddin Bennur <[email protected]> wrote:
>>
>> Hi Denis,
>>
>> Apologies for the late reply.
>>
>> To answer your question, and the steps which I followed are as follows, 
>> which are most similar to the steps which you shared in your email.
>>
>> As per instructions are given in the 
>> "https://doc-kurento.readthedocs.io/en/6.10.0/user/installation.html#installation-stun-turn";
>>  document,
>>
>> 1. I opened all the UDP ports in my security group.
>> 2. Then I registered to the NUMB server to get the username and password.
>> 3. To configure a TURN server in KMS, uncommented the following lines in the 
>> WebRtcEndpoint configuration file, located at 
>> /etc/kurento/modules/kurento/WebRtcEndpoint.conf.ini
>>
>> turnURL=<user>:<password>@<serverIp>:<serverPort>
>>
>> Following details are used in the server
>>
>> turnURL=<myusername>:<mypassword>@158.69.221.198:3478
>>
>> 4. And restarted the Kurento server.
>>
>>
>>
>> Thus my Mic and Audio issue resolved.
>>
>>
>>
>> On Thu, May 23, 2019 at 1:51 PM Denis Noctor <[email protected]> wrote:
>>>
>>> Hi there Tajuddin (and everyone else),
>>>
>>> Would you be kind enough to go through step by step the process you went 
>>> through to solve your problem.
>>>
>>> I have gone through all the installation processes of installing everything 
>>> on an AWS EC2 instance (with Ubuntu 18.04.2 LTS). At first glance 
>>> everything seemed to be working fine until I realized that when 2 users 
>>> were logged on in a room, they could see their own camera but could not see 
>>> the other participants screen (this applies to audio also).
>>>
>>> At first I thought this might be down to how I installed everything but 
>>> having read most (if not all the treads), I came across the following query 
>>> which suggests a Turn Server is required... ( 
>>> https://issues.apache.org/jira/browse/OPENMEETINGS-2066&#010 ) According to 
>>> the Kurento documentation ( 
>>> https://doc-kurento.readthedocs.io/en/6.10.0/user/installation.html   )    
>>> If Kurento Media Server, its Application Server, or any of the clients are 
>>> located behind a NAT, you need to use a STUN or a TURN server in order to 
>>> achieve NAT traversal.  I tried the suggest TURN settings using NUMB (after 
>>> registering a user name and password), but with no joy, still have the same 
>>> problem.
>>>
>>> Finally on a separate matter I noticed there are 9 versions of Alvaro's 
>>> instructions for setting up openmeetings on Ubuntu 18.04 LTS  - versions 1 
>>> to 7 make reference to DOCKER.... 8 and 9 don't. Excuse my ignorance but 
>>> does that mean it is no longer require. All versions contain the same date 
>>> (25-3-2019).
>>>
>>> Any help would be appreciate.
>>>
>>> All the best.
>>>
>>> Denis
>>
>>
>>
>> --
>> Thanks & Regards,
>> Tajuddin Bennur



-- 
WBR
Maxim aka solomax

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