Enableexternalscorer failed with invalid scorer file 0x2002

[JRMeyer]

>>> Revathy_G
[February 23, 2021, 8:53am]

Hi,

We are using DeepSpeech to transcribe audio files that mostly pertain to
medical lexicons. We tried adding a couple of words that were initially
unavailable in the pre-built model and then created our own scorer file
following the link :
#reproducing-our-external-scorer> slash

The scorer file was generated, but on enabling the scorer, I get the
below error which says the scorer file is invalid. slash

However, using
deepspeech-0.9.3-models.scorer
works fine except that domain-specific words are'nt recognized.

We tried reading multiple threads from this forum, however there were'nt
sufficient information which could resolve our issue

All the steps followed are documented in
https://docs.google.com/document/d/19ruyvTUFVn_goVINkO5GA8YjKpXrj2YKhkMoB5ooOfs/edit?usp=sharing

DeepSpeech model : 0.9.3 slash
native_client : native_client.amd64.cpu.linux.tar.xz slash
Linux was used to build KenLM binaries and generate scorer : Ubuntu
20.04 slash
Python version : 3.8.5

[This is an archived TTS discussion thread from discourse.mozilla.org/t/enableexternalscorer-failed-with-invalid-scorer-file-0x2002]

[JRMeyer]

>>> othiele
[February 23, 2021, 9:13am]

As in the guidlines, no images please.

Do you do everything on the same machine? Screenshots look like Windows
to me. Test all with a really small scorer on one machine. And check
how this message is
thrown
in the native client.

[Archived Post]

[JRMeyer]

>>> lissyx
[February 23, 2021, 9:33am]

> All the steps followed are documented in
> https://docs.google.com/document/d/19ruyvTUFVn_goVINkO5GA8YjKpXrj2YKhkMoB5ooOfs/edit?usp=sharing

No external resources, please, share everything here as text only. It's
also super messy, you share infos about Ubuntu 20.04 but it's all
screenshots from Windows and obviously not over PuTTY.

We don't support training on Windows, and we have no experience with
WSL.

You also don't share your code to repro: please verify your scorer works
with our binaries, first. And why do we see ds.disableExternalScorer()
followed by ds.enableExternalScorer() ?

KenLM is a git submodule, please use the same sha1 instead of
downloading random version?

[Archived Post]