[9a1] Login to empty screen with Odoo Logo only after POS-Module installation

[explanar]

Comparable "historic" bug: https://bugs.launchpad.net/openobject-server/+bug/1280148

Usually i could fix it with the workaround of error "You cannot update the translated value of field 'Arch Blob'" when using a differend Language than EN(US):

cd /opt/odoo/odoo-server && sudo su odoo -c './openerp-server -d DATABASENAME -u base'

But after installing POS-Module there's no chance any more that way. After login as admin i can only see the logo (attached screenshot).

Setup:

• Ubuntu 14.04-64 with xubuntu-desktop
• Installation via sSchenkels-Script Link
• Additionally installed in case of "could not execute command lessc":
  sudo service odoo-server stop &&

curl -sL https://deb.nodesource.com/setup_0.10 | sudo bash - &&

sudo apt-get install -y nodejs &&

sudo npm install -g npm less less-plugin-clean-css
• Additionally installed aiming to use Modules hw_proxy and hw_escpos:
  
  sudo apt-get -y install python-pip python-qrcode python-evdev &&

sudo pip install pyusb==1.0.0b2 &&

sudo usermod -a -G lp odoo &&

sudo groupadd usbusers &&

sudo usermod -a -G usbusers odoo &&

sudo su -c 'echo "SUBSYSTEM==\"usb\", GROUP=\"usbusers\", MODE=\"0660\"" >> /etc/udev/rules.d/99-usbusers.rule' &&

sudo su -c 'echo "SUBSYSTEMS==\"usb\", GROUP=\"usbusers\", MODE=\"0660\"" >> /etc/udev/rules.d/99-usbusers.rule'

After these steps installation of hw_proxy etc is working fine. But when i install "Point of Sale" the named and described symptom occurs.

Last output of openerp-server:

2015-08-04 14:57:38,690 2345 INFO None werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:38] "POST /web/database/duplicate HTTP/1.1" 200 -
2015-08-04 14:57:38,748 2345 INFO None werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:38] "POST /web/database/duplicate HTTP/1.1" 303 -
2015-08-04 14:57:44,352 2345 INFO posbox werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:44] "GET /web?db=posbox2 HTTP/1.1" 302 -
2015-08-04 14:57:44,368 2345 INFO ? openerp.http: Generating nondb routing
2015-08-04 14:57:44,386 2345 INFO ? werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:44] "GET /web?db=posbox2 HTTP/1.1" 302 -
2015-08-04 14:57:44,409 2345 INFO posbox2 openerp.modules.loading: loading 1 modules...
2015-08-04 14:57:44,425 2345 INFO posbox2 openerp.modules.loading: 1 modules loaded in 0.02s, 0 queries
2015-08-04 14:57:44,462 2345 INFO posbox2 openerp.modules.loading: loading 38 modules...
2015-08-04 14:57:44,536 2345 INFO posbox2 openerp.modules.loading: 38 modules loaded in 0.07s, 0 queries
2015-08-04 14:57:45,753 2345 INFO posbox2 openerp.modules.loading: Modules loaded.
2015-08-04 14:57:45,755 2345 INFO posbox2 openerp.addons.base.ir.ir_http: Generating routing map
2015-08-04 14:57:45,816 2345 INFO posbox2 werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:45] "GET /web?db=posbox2 HTTP/1.1" 200 -
2015-08-04 14:57:45,960 2345 INFO posbox2 werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:45] "GET /web/login?redirect=http%3A%2F%2F192.168.2.152%3A8069%2Fweb%3Fdb%3Dposbox2 HTTP/1.1" 200 -
2015-08-04 14:57:48,102 2345 INFO posbox2 werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:48] "POST /web/login HTTP/1.1" 200 -
2015-08-04 14:57:49,423 2345 INFO posbox2 werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:49] "GET /web?db=posbox2 HTTP/1.1" 200 -
2015-08-04 14:57:55,061 2345 INFO posbox2 werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:55] "GET /web/database/selector HTTP/1.1" 200 -
2015-08-04 14:57:56,776 2345 INFO posbox2 werkzeug: 192.168.2.20 - - [04/Aug/2015 14:57:56] "GET /web/database/manager HTTP/1.1" 200 -
2015-08-04 14:58:02,804 2345 INFO None openerp.sql_db: ConnectionPool(used=1/count=2/max=64): Closed 2 connections to 'dbname=posbox2'
2015-08-04 14:58:03,220 2345 INFO None openerp.service.db: DROP DB: posbox2
2015-08-04 14:58:03,227 2345 INFO None werkzeug: 192.168.2.20 - - [04/Aug/2015 14:58:03] "POST /web/database/drop HTTP/1.1" 303 -
2015-08-04 14:58:03,256 2345 INFO posbox2 werkzeug: 192.168.2.20 - - [04/Aug/2015 14:58:03] "GET /web/database/manager HTTP/1.1" 200 -
2015-08-04 14:58:09,529 2345 INFO posbox werkzeug: 192.168.2.20 - - [04/Aug/2015 14:58:09] "GET /web?db=posbox HTTP/1.1" 200 -
2015-08-04 14:58:09,685 2345 INFO posbox werkzeug: 192.168.2.20 - - [04/Aug/2015 14:58:09] "GET /web/login?redirect=http%3A%2F%2F192.168.2.152%3A8069%2Fweb%3Fdb%3Dposbox HTTP/1.1" 200 -
2015-08-04 14:58:12,083 2345 INFO posbox werkzeug: 192.168.2.20 - - [04/Aug/2015 14:58:12] "POST /web/login HTTP/1.1" 200 -
2015-08-04 14:58:12,987 2345 INFO posbox werkzeug: 192.168.2.20 - - [04/Aug/2015 14:58:12] "GET /web?db=posbox HTTP/1.1" 200 -

Maybe someone got an idea. We'll keep searching.

[explanar]

Finally we did the job:

• change language settings of admin back to "English" [EN(US)]
• install Pos-module -> now the post-installation-screen is not "empty" any more:
  
• after that install hw_proxy etc and all modules necessary
• now change language back to a possibly different than English.
• check hw_proxy status page to validate installation of its module:
  

[tomaspworld2017]

The answer is here -> #14581 (comment)