Hi Maxim,

no, it happens in one tab AFAIK, randomly. It's a bit hard to know more
details from the user's side, since they're at home (they us OM during
#StayAtHome). But it has happened to me too, with one tab/one window.

I'll ask support to inquire more details from my users.

El vie., 27 mar. 2020 a las 23:56, Maxim Solodovnik (<[email protected]>)
escribió:

> Hello Rodolfo,
>
> In the other thread it turn out to be "multi-tab" issue
> Is this your case?
>
> If not could you share your steps?
>
> On Thu, 26 Mar 2020 at 14:21, Maxim Solodovnik <[email protected]>
> wrote:
>
>> most probably not :)
>>
>> On Thu, 26 Mar 2020 at 12:13, Rodolfo Gonzalez <
>> [email protected]> wrote:
>>
>>> The version of java is not the cause, right? :)
>>>
>>> Thanks, have a good day.
>>>
>>> El mié., 25 mar. 2020 a las 20:55, Maxim Solodovnik (<
>>> [email protected]>) escribió:
>>>
>>>> Well
>>>> In the ticket "Users log-in to OM from Moodle"
>>>> Moodle is CMS with OM plugin working via REST
>>>>
>>>> So it seems to be same report
>>>> Will try to to some tests later
>>>>
>>>> It is now day-time-job-time
>>>>
>>>>
>>>> On Thu, 26 Mar 2020 at 09:13, Rodolfo Gonzalez <
>>>> [email protected]> wrote:
>>>>
>>>>> Hi Maxim,
>>>>>
>>>>> I read the ticket. It's not exactly the same problem. In my case,
>>>>> users do not login from the OM's login window, but the API is used with a
>>>>> generic user with SOAP rights. Also, the problem is not a constant, which
>>>>> makes harder to reproduce. I have goten the error randomly. I'll try to do
>>>>> a test program to list rooms hashes in loop and concurently, to see if I
>>>>> can find something.
>>>>>
>>>>> El mié., 25 mar. 2020 a las 20:00, Maxim Solodovnik (<
>>>>> [email protected]>) escribió:
>>>>>
>>>>>> The problem is not reproducible in the clean environment :(
>>>>>> I have re-opened
>>>>>> https://issues.apache.org/jira/browse/OPENMEETINGS-2192
>>>>>> But we need to figure out reproducible steps for this :(
>>>>>>
>>>>>> On Thu, 26 Mar 2020 at 07:43, Rodolfo Gonzalez <
>>>>>> [email protected]> wrote:
>>>>>>
>>>>>>> Hi Maxim, the problem is, in the server output I can not find
>>>>>>> exceptions other than those refused logins. In the client (PHP) side, I
>>>>>>> only get that the object which is returned by the login API call is null
>>>>>>> (so the call to get the room hash crashes, as the method is called from 
>>>>>>> a
>>>>>>> null).
>>>>>>>
>>>>>>> I mean, I find other kind of exceptions, concerning to video stream
>>>>>>> and other things. But the problem seems to be that the login is being
>>>>>>> rejected. Another user posted a similar (maybe the same) problem just a
>>>>>>> moment ago.
>>>>>>>
>>>>>>> Regards.
>>>>>>>
>>>>>>> El mié., 25 mar. 2020 a las 18:21, Maxim Solodovnik (<
>>>>>>> [email protected]>) escribió:
>>>>>>>
>>>>>>>> Hello Rodolfo,
>>>>>>>>
>>>>>>>> Debug logging you quoted provide zero info :(
>>>>>>>> There are no limits for logins in the system
>>>>>>>>
>>>>>>>> Could you share error stack trace?
>>>>>>>>
>>>>>>>> I might write test foe this
>>>>>>>> Am I right thinking the use case is: 100 users are trying to
>>>>>>>> get room hash in parallel?
>>>>>>>>
>>>>>>>>
>>>>>>>> On Thu, 26 Mar 2020 at 00:58, Rodolfo Gonzalez <
>>>>>>>> [email protected]> wrote:
>>>>>>>>
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> currently I run an OM 4.0.10 server with a pretty default
>>>>>>>>> configuration, using
>>>>>>>>>
>>>>>>>>> # java -version
>>>>>>>>> openjdk version "1.8.0_242"
>>>>>>>>> OpenJDK Runtime Environment (build
>>>>>>>>> 1.8.0_242-8u242-b08-0ubuntu3~16.04-b08)
>>>>>>>>> OpenJDK 64-Bit Server VM (build 25.242-b08, mixed mode)
>>>>>>>>>
>>>>>>>>> on Ubuntu 16.04 (default values for file handles limits).
>>>>>>>>>
>>>>>>>>> I integrated OM with a web app made in PHP with the Yii framework,
>>>>>>>>> using the SOAP API. I use this library:
>>>>>>>>>
>>>>>>>>> https://github.com/hakeem23/open-meetings-soap
>>>>>>>>>
>>>>>>>>> The server is on AWS, being a c4d.4xlarge instance, with htop
>>>>>>>>> reporting 16 cores. CPU usage is reported by AWS to be around 50%, 
>>>>>>>>> with a
>>>>>>>>> system load maxing up at the 5-7 range reported by htop. The thing is 
>>>>>>>>> that
>>>>>>>>> as many as 100 users try to list rooms or connect to the server at a 
>>>>>>>>> given
>>>>>>>>> time.
>>>>>>>>>
>>>>>>>>> I'm having several problems with the service, the main one being
>>>>>>>>> that the users sometimes can not get the room hashes or enter a room. 
>>>>>>>>> Given
>>>>>>>>> the flow of the process, my best guess is that the library can not 
>>>>>>>>> login to
>>>>>>>>> the OM server. The errors in the output are like these, I think (I'm 
>>>>>>>>> not
>>>>>>>>> sure if these are the cause of the problem):
>>>>>>>>>
>>>>>>>>> DEBUG 03-25 11:44:24.577 o.a.o.d.u.AuthLevelUtil:42
>>>>>>>>> [0.0-5453-exec-7] - Level Admin :: [DENIED]
>>>>>>>>> DEBUG 03-25 11:44:24.632 o.a.o.d.u.AuthLevelUtil:42
>>>>>>>>> [0.0-5453-exec-7] - Level Admin :: [DENIED]
>>>>>>>>> DEBUG 03-25 11:44:24.633 o.a.o.d.u.AuthLevelUtil:42
>>>>>>>>> [0.0-5453-exec-7] - Level GroupAdmin :: [DENIED]
>>>>>>>>> DEBUG 03-25 11:44:24.642 o.a.o.d.u.AuthLevelUtil:42
>>>>>>>>> [0.0-5453-exec-7] - Level Admin :: [DENIED]
>>>>>>>>> DEBUG 03-25 11:44:24.642 o.a.o.d.u.AuthLevelUtil:42
>>>>>>>>> [0.0-5453-exec-7] - Level Admin :: [DENIED]
>>>>>>>>>
>>>>>>>>> and so on. But I'm unsure if this is the error which causes a
>>>>>>>>> cascade exceptions which render the web app unable to get the room  
>>>>>>>>> hashes
>>>>>>>>> and so (those process relay on being loged in, anyway). The thing is, 
>>>>>>>>> the
>>>>>>>>> SOAP library currently does the login process from the app, using and 
>>>>>>>>> user
>>>>>>>>> "admin" with SOAP and ADMIN level credentials. And the problem is
>>>>>>>>> intermitent.
>>>>>>>>>
>>>>>>>>> Do you consider that my guess is right? Is there a limit on
>>>>>>>>> "logins" at any given time? If so, can it be increased? Does the 
>>>>>>>>> version of
>>>>>>>>> java affect?
>>>>>>>>>
>>>>>>>>> Any other ideas are welcome.
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>> Rodolfo.
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> WBR
>>>>>>>> Maxim aka solomax
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>> --
>>>>>> WBR
>>>>>> Maxim aka solomax
>>>>>>
>>>>>
>>>>
>>>> --
>>>> WBR
>>>> Maxim aka solomax
>>>>
>>>
>>
>> --
>> WBR
>> Maxim aka solomax
>>
>
>
> --
> WBR
> Maxim aka solomax
>

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