Maybe you can share your VirtualBox machine?
So I can reproduce the issue and investigate?

On Fri, 6 Aug 2021 at 18:53, DREHER, Walter (ESG) <
walter.w.dreher.exter...@airbus.com> wrote:

> Hello,
>
>
>
> I tested OM on my private maschine (using VirtualBox) and got the same
> results as in the VMWare environment here at the company.
>
> Server: VirtualBox Ubuntu 18.04.5 LTS => no form appears
>
> Client: VirtualBox Ubuntu 18.04.5 LTS => no form appears
>
> Client: Physical Windows 10pro => form appears (Chrome, Edge, Firefox)
>
>
>
> Yesterday I remembered that we had a Maschine with OM 5.1 where I have
> access to the GUI.
>
> My colleague downloaded at the beginning of this year the live iso for OM
> 5.1 and integrated it into our vmware environment.
>
> I logged in from this maschine to the OM 6.1 server and clicked on “About”
> and “Show cleanup report” or entered a meetingroom and tried to send out an
> invitation.
>
> Strangely enough, the forms were displayed here.
>
> Now I’m completely confused.
>
> I saw the live iso looks completely different to our installed Ubuntu
> although both show Ubuntu 18.04.5 LTS as the operating system.
>
> I think this is a customized, but maybe is this the key.
>
>
>
> Mit freundlichen Grüßen / Cordialment / Saludos / Best Regards
>
>
>
> Walter Dreher
>
>
>
> ESG ELEKTRONIKSYSTEM- UND LOGISTIK-GMBH
>
> Partnerfirma von Airbus Helicopters Deutschland im
> Systemunterstützungszentrum Drehflügler
>
> T   +49 (0)9 06 71 79 70
>
> E   walter.w.dreher.exter...@airbus.com
>
>
>
> *Von:* Maxim Solodovnik [mailto:solomax...@gmail.com]
> *Gesendet:* Dienstag, 3. August 2021 13:12
> *An:* Openmeetings user-list
> *Betreff:* Re: AW: AW: OM 6.1.0 Forms not shown [AIRBUS Amber]
>
>
>
> I'll set up Ubuntu Desktop VM and test again
>
>
>
> from mobile (sorry for typos ;)
>
>
>
>
> On Tue, Aug 3, 2021, 17:38 DREHER, Walter (ESG) <
> walter.w.dreher.exter...@airbus.com> wrote:
>
> Strange,
>
> at my first try a few month ago with OM 6.0.0 I had the same configuration
> like Alvaro.
>
> Server: VirtualBox Ubuntu 18.04 => I do not know anymore if form appear or
> not.
> Client: VirtualBox Ubuntu 18.04 => no form appears
> Client: Windows 10 Edge and Firefox => form appears
>
> Tomorrow I'll work in my Homeoffice so I'll test it again with a new
> maschine.
> I'm currently familiarizing myself with Docker on the old computer, and
> virtualbox no longer works there.
>
> Mit freundlichen Grüßen / Cordialment / Saludos / Best Regards
>
> Walter Dreher
>
> ESG ELEKTRONIKSYSTEM- UND LOGISTIK-GMBH
> Partnerfirma von Airbus Helicopters Deutschland im
> Systemunterstützungszentrum Drehflügler
> T   +49 (0)9 06 71 79 70
> E   walter.w.dreher.exter...@airbus.com
>
> -----Ursprüngliche Nachricht-----
> Von: Alvaro [mailto:zurca...@gmail.com]
> Gesendet: Montag, 2. August 2021 12:41
> An: user@openmeetings.apache.org
> Betreff: Re: AW: AW: OM 6.1.0 Forms not shown [AIRBUS Amber]
>
> ...for my testing have not internet connection.
> Was in LAN.
>
>
> ........
>
>
>
> On Mon, 2 Aug 2021 10:35:45 +0000
> "DREHER, Walter (ESG)" <walter.w.dreher.exter...@airbus.com> wrote:
>
> > Is there any Internetaccess necessary?
> >
> >
> > Mit freundlichen Grüßen / Cordialment / Saludos / Best Regards
> >
> > Walter Dreher
> >
> > ESG ELEKTRONIKSYSTEM- UND LOGISTIK-GMBH
> > Partnerfirma von Airbus Helicopters Deutschland im
> Systemunterstützungszentrum Drehflügler
> > T   +49 (0)9 06 71 79 70
> > E   walter.w.dreher.exter...@airbus.com
> >
> >
> > -----Ursprüngliche Nachricht-----
> > Von: Alvaro [mailto:zurca...@gmail.com]
> > Gesendet: Montag, 2. August 2021 12:32
> > An: user@openmeetings.apache.org
> > Betreff: Re: AW: OM 6.1.0 Forms not shown [AIRBUS Amber]
> >
> > ...i have the same result as Maxim.
> >
> > Server: VirtualBox - Ubuntu 18.04 - OM 6.1.0
> >
> > Client: VirtualBox - Ubuntu 18.04 - Firefox.
> >
> > Client: Windows 10 - MS Edge anf  Firefox
> >
> > ...no find errors
> >
> >
> > ..........
> >
> >
> > On Mon, 2 Aug 2021 15:42:37 +0700
> > Maxim Solodovnik <solomax...@gmail.com> wrote:
> >
> > > Just tried to:
> > >
> > > 1) start OM on local machine (Ubuntu 20.04)
> > > 2) start Win10 on same machine in VMWare
> > > 3) Login to OM (MS Edge latest)
> > > 4) Open About dialog
> > >
> > > works as expected :(
> > >
> > > Any hint on how can I reproduce this behavior will be appreciated
> > > So far everything works for me
> > >
> > > On Mon, 2 Aug 2021 at 13:52, DREHER, Walter (ESG) <
> > > walter.w.dreher.exter...@airbus.com> wrote:
> > >
> > > > Hello Alvaro,
> > > >
> > > > OM 6.1.0 is installed in a VM under VMWare with Ubuntu 18.04
> (installed
> > > > from scratch).
> > > > This behaviour is only when the login comes from a virtual Maschine
> like a
> > > > Terminalserver.
> > > > When I log in from a ThinClient (Physical Maschine) with an embedded
> > > > Windows, everything works like expected.
> > > > A few month ago (OM 6.0.0 was recently released) I installed it on
> > > > VirtualBox with Ubuntu 18.04.
> > > > Here I saw the same behaviour. When login to OM from another virtual
> > > > maschine (also installed at VirtualBox) no forms appear.
> > > > Comes the login from a physical maschine everything works fine.
> > > >
> > > > Mit freundlichen Grüßen / Cordialment / Saludos / Best Regards
> > > >
> > > > Walter Dreher
> > > >
> > > > ESG ELEKTRONIKSYSTEM- UND LOGISTIK-GMBH
> > > > Partnerfirma von Airbus Helicopters Deutschland im
> > > > Systemunterstützungszentrum Drehflügler
> > > > T   +49 (0)9 06 71 79 70
> > > > E   walter.w.dreher.exter...@airbus.com
> > > >
> > > > -----Ursprüngliche Nachricht-----
> > > > Von: Alvaro [mailto:zurca...@gmail.com]
> > > > Gesendet: Samstag, 31. Juli 2021 09:48
> > > > An: user@openmeetings.apache.org
> > > > Betreff: Re: AW: OM 6.1.0 Forms not shown [AIRBUS Amber]
> > > >
> > > > ...Ubuntu 18.04...
> > > >
> > > >
> > > > ....
> > > >
> > > >
> > > > On Fri, 30 Jul 2021 12:38:49 +0200
> > > > Alvaro <zurca...@gmail.com> wrote:
> > > >
> > > > > ...only as information. OM 6.1.0 installed on VirtualBox
> > > > > works as expected. Maybe it is different to Terminalserver.
> > > > >
> > > > >
> > > > > .........
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > On Fri, 30 Jul 2021 08:14:38 +0000
> > > > > "DREHER, Walter (ESG)" <walter.w.dreher.exter...@airbus.com>
> wrote:
> > > > >
> > > > > > Hello,
> > > > > >
> > > > > > from our Terminalserver I loged in to OM 6.1.0 as admin (at the
> moment
> > > > the only user)
> > > > > > At the Dasboard I klick in the right upper corner “About” =>
> Screen
> > > > greyed out  and nothing happens. Expected behavior is that a form
> with
> > > > Informations about the version of appears.
> > > > > > At the Dashboard I klick under Admin functions on “Show cleanup
> > > > report” => Screen greyed out and nothing happens. Expected behaviour
> is
> > > > that a form appears.
> > > > > > I got to any room and try to send a invitation => Screen greyed
> out
> > > > and nothing happens. Expected behaviour is that a form appears.
> > > > > >
> > > > > > When I do the same actions from a physical Maschine (i.e. Laptop)
> > > > everything works like expected.
> > > > > > This behavior only occurs with virtual machines. This was
> already at
> > > > Version 6.0.0 so.
> > > > > >
> > > > > > I installed it at a Ubuntu 18.04 and used for that the manual
> from
> > > > Alvaro.
> > > > > > The only customization which I made was to use another Name and
> > > > Password for the DB-User.
> > > > > >
> > > > > > Mit freundlichen Grüßen / Cordialment / Saludos / Best Regards
> > > > > >
> > > > > > Walter Dreher
> > > > > >
> > > > > > ESG ELEKTRONIKSYSTEM- UND LOGISTIK-GMBH
> > > > > > Partnerfirma von Airbus Helicopters Deutschland im
> > > > Systemunterstützungszentrum Drehflügler
> > > > > > T   +49 (0)9 06 71 79 70
> > > > > > E   walter.w.dreher.exter...@airbus.com<mailto:
> > > > walter.w.dreher.exter...@airbus.com>
> > > > > >
> > > > > > Von: Maxim Solodovnik [mailto:solomax...@gmail.com]
> > > > > > Gesendet: Mittwoch, 28. Juli 2021 19:28
> > > > > > An: Openmeetings user-list
> > > > > > Betreff: Re: OM 6.1.0 Forms not shown [AIRBUS Amber]
> > > > > >
> > > > > > Just have checked
> > > > > >
> > > > > > vanilla 6.1.0
> > > > > > unpacked to the new folder
> > > > > > new DB created (H2)
> > > > > > Airplane mode ON
> > > > > > About dialog displayed as expected
> > > > > >
> > > > > > What were your steps?
> > > > > > Did you do any customizations?
> > > > > >
> > > > > > Can you check if the main demo server works for you?
> > > > https://om.alteametasoft.com/openmeetings
> > > > > >
> > > > > >
> > > > > > On Wed, 28 Jul 2021 at 20:25, Maxim Solodovnik <
> solomax...@gmail.com
> > > > <mailto:solomax...@gmail.com>> wrote:
> > > > > > Hello Walter,
> > > > > >
> > > > > > JS console errors seems to be false positive (your dashboard
> full of
> > > > styles)
> > > > > > I'll try to reproduce the issue in airplane mode
> > > > > >
> > > > > > will report back
> > > > > >
> > > > > > On Wed, 28 Jul 2021 at 19:12, DREHER, Walter (ESG) <
> > > > walter.w.dreher.exter...@airbus.com<mailto:
> > > > walter.w.dreher.exter...@airbus.com>> wrote:
> > > > > > Hello,
> > > > > >
> > > > > > I installed OM 6.1.0 on Ubuntu 18.04.
> > > > > > For the Installation I used the tutorial from Alvaro (many
> thanks for
> > > > it).
> > > > > > Most of our Users work at a ThinClient. So they log on to a
> > > > Terminalserver and work there.
> > > > > > We are working on a closed environment with no access to the
> internet.
> > > > > > When in OM should raise a form only the screen will be greyed
> out and
> > > > nothing happens.
> > > > > > I must refresh the page for to come back. I could see this
> behaviour
> > > > everywhere where
> > > > > > a form should appear (i.e. Dashboard -> About, Dashboard -> "Show
> > > > cleanup report", Rooms -> "Send invitation" ...)
> > > > > > At OM the forms raise normal.
> > > > > > I attached some Screenshots with an open Console.
> > > > > > Dashboard_5_1_0_About => expected (This is a screenshot of our OM
> > > > 5.1.0 Instance)
> > > > > > Dashboard_6_1_0 => Login to OM 6_1_0
> > > > > > Dashboard_6_1_0_About => Screen after klicking on "About"
> > > > > > Dashboard_6_1_0_About_Refresh => Sreen after Refresh
> > > > > >
> > > > > > I got the same behaviour everywhere, where a form should be
> shown.
> > > > > >
> > > > > > Mit freundlichen Grüßen / Cordialment / Saludos / Best Regards
> > > > > >
> > > > > > Walter Dreher
> > > > > >
> > > > > > ESG ELEKTRONIKSYSTEM- UND LOGISTIK-GMBH
> > > > > > Partnerfirma von Airbus Helicopters Deutschland im
> > > > Systemunterstützungszentrum Drehflügler
> > > > > > T   +49 (0)9 06 71 79 70
> > > > > > E   walter.w.dreher.exter...@airbus.com<mailto:
> > > > walter.w.dreher.exter...@airbus.com>
> > > > > > The information in this e-mail is confidential. The contents may
> not
> > > > be disclosed or used by anyone other than the addressee. Access to
> this
> > > > e-mail by anyone else is unauthorised.
> > > > > > If you are not the intended recipient, please notify Airbus
> > > > immediately and delete this e-mail.
> > > > > > Airbus cannot accept any responsibility for the accuracy or
> > > > completeness of this e-mail as it has been sent over public
> networks. If
> > > > you have any concerns over the content of this message or its
> Accuracy or
> > > > Integrity, please contact Airbus immediately.
> > > > > > All outgoing e-mails from Airbus are checked using regularly
> updated
> > > > virus scanning software but you should take whatever measures you
> deem to
> > > > be appropriate to ensure that this message and any attachments are
> virus
> > > > free.
> > > > > >
> > > > > >
> > > > > > --
> > > > > > Best regards,
> > > > > > Maxim
> > > > > >
> > > > > >
> > > > > > --
> > > > > > Best regards,
> > > > > > Maxim
> > > > > > The information in this e-mail is confidential. The contents may
> not
> > > > be disclosed or used by anyone other than the addressee. Access to
> this
> > > > e-mail by anyone else is unauthorised.
> > > > > > If you are not the intended recipient, please notify Airbus
> > > > immediately and delete this e-mail.
> > > > > > Airbus cannot accept any responsibility for the accuracy or
> > > > completeness of this e-mail as it has been sent over public
> networks. If
> > > > you have any concerns over the content of this message or its
> Accuracy or
> > > > Integrity, please contact Airbus immediately.
> > > > > > All outgoing e-mails from Airbus are checked using regularly
> updated
> > > > virus scanning software but you should take whatever measures you
> deem to
> > > > be appropriate to ensure that this message and any attachments are
> virus
> > > > free.
> > > > >
> > > > >
> > > > > --
> > > > >
> > > >
> > > >
> > > > --
> > > >
> > > > The information in this e-mail is confidential. The contents may not
> be
> > > > disclosed or used by anyone other than the addressee. Access to this
> e-mail
> > > > by anyone else is unauthorised.
> > > > If you are not the intended recipient, please notify Airbus
> immediately
> > > > and delete this e-mail.
> > > > Airbus cannot accept any responsibility for the accuracy or
> completeness
> > > > of this e-mail as it has been sent over public networks. If you have
> any
> > > > concerns over the content of this message or its Accuracy or
> Integrity,
> > > > please contact Airbus immediately.
> > > > All outgoing e-mails from Airbus are checked using regularly updated
> virus
> > > > scanning software but you should take whatever measures you deem to
> be
> > > > appropriate to ensure that this message and any attachments are
> virus free.
> > > >
> > >
> > >
> > > --
> > > Best regards,
> > > Maxim
> >
> >
> > --
> >
> > The information in this e-mail is confidential. The contents may not be
> disclosed or used by anyone other than the addressee. Access to this e-mail
> by anyone else is unauthorised.
> > If you are not the intended recipient, please notify Airbus immediately
> and delete this e-mail.
> > Airbus cannot accept any responsibility for the accuracy or completeness
> of this e-mail as it has been sent over public networks. If you have any
> concerns over the content of this message or its Accuracy or Integrity,
> please contact Airbus immediately.
> > All outgoing e-mails from Airbus are checked using regularly updated
> virus scanning software but you should take whatever measures you deem to
> be appropriate to ensure that this message and any attachments are virus
> free.
>
>
> --
>
> The information in this e-mail is confidential. The contents may not be
> disclosed or used by anyone other than the addressee. Access to this e-mail
> by anyone else is unauthorised.
> If you are not the intended recipient, please notify Airbus immediately
> and delete this e-mail.
> Airbus cannot accept any responsibility for the accuracy or completeness
> of this e-mail as it has been sent over public networks. If you have any
> concerns over the content of this message or its Accuracy or Integrity,
> please contact Airbus immediately.
> All outgoing e-mails from Airbus are checked using regularly updated virus
> scanning software but you should take whatever measures you deem to be
> appropriate to ensure that this message and any attachments are virus free.
>
> The information in this e-mail is confidential. The contents may not be
> disclosed or used by anyone other than the addressee. Access to this e-mail
> by anyone else is unauthorised.
> If you are not the intended recipient, please notify Airbus immediately
> and delete this e-mail.
> Airbus cannot accept any responsibility for the accuracy or completeness
> of this e-mail as it has been sent over public networks. If you have any
> concerns over the content of this message or its Accuracy or Integrity,
> please contact Airbus immediately.
> All outgoing e-mails from Airbus are checked using regularly updated virus
> scanning software but you should take whatever measures you deem to be
> appropriate to ensure that this message and any attachments are virus free.
>


-- 
Best regards,
Maxim

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