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 <rodolfo.gonza...@gmail.com>
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 (<solomax...@gmail.com>)
> 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 <
>> rodolfo.gonza...@gmail.com> 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 (<
>>> solomax...@gmail.com>) 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 <
>>>> rodolfo.gonza...@gmail.com> 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

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