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translationswarning
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Daniel Bernhardt

On startup (docker compose up) I get lots of warnings "WARNING ? odoo.tools.translate: no translation language detected, skipping translation" for my translated addon. This happens even for fields which are clearly translated correctly since they are shown correctly on the frontend. Once up and running my odoo does not produce these warnings anymore - only on startup.

At first I thought this might be related to not having the correct language context on startup. But since I don't get these warnings for base modules, I suspect this is not expected behavior.


My structure looks like this:

myaddon
--i18n
----de.po
--models
----mymodel.py
--views
----my_views.xml


Any ideas what might be the cause?
Thanks in advance!

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Daniel Bernhardt
Forfatter

Based on the answers below (thanks!):
- this is normal behavior
- base modules are not effected in the same way due to cached translations / language initialization
- warnings can be suppressed (--log-handler=odoo.tools.translate:ERROR)

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Cybrosys Techno Solutions Pvt.Ltd
Bedste svar
Hi,

The warning “no translation language detected, skipping translation” during Odoo startup is usually normal and not a sign of broken translations. It occurs because, during the initial module loading phase, Odoo parses fields and views before a user language context is fully initialized. Since no active language is detected at that moment, Odoo logs the warning. Once the system is fully started and a language context exists, translations work correctly — which is why everything displays properly in the frontend.

This behavior is more noticeable in custom modules because they may be loaded at a stage when language initialization is not yet complete, unlike base modules that are loaded earlier and often benefit from cached translations. In most cases, if translations appear correctly in the UI and the warnings only occur at startup, the issue is harmless and can be safely ignored.

Hope it helps


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Kassér
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Kunjan Patel
Bedste svar

Hello Daniel Bernhardt,
I hope you are doing well

Fix: Harmless warning. Ignore it or add --log-handler=odoo.tools.translate:ERROR to suppress it. Translations work fine after startup.

I hope this information helps you

Thanks & Regards,
Kunjan Patel

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