MissingTokenError when using us-west

Bugs & Features
#1

I’m using the Batch API with the sentinelhub Python library.

When I set sh_base_url to us-west:

config = SHConfig()
config.sh_client_id = ...
config.sh_client_secret = ...
config.sh_base_url = "https://services-uswest2.sentinel-hub.com"
config.save()

Then any subsequent requests fail:

SentinelHubBatch.get_tiling_grid(2, config=config)

With:

MissingTokenError: (missing_token) Missing access token parameter

This doesn’t happen if I set sh_base_url to "https://services.sentinel-hub.com".

Is this some account auth settings that need to be changed or am I doing something wrong?

(The reason for using us-west is that we need MODIS, which seems to be only on us-west.)

#2

Similar issue if I try to get a token using oauth directly:

...

client = BackendApplicationClient(client_id=client_id)
oauth = OAuth2Session(client=client)

token = oauth.fetch_token(
    token_url="https://services-uswest2.sentinel-hub.com/oauth/token",
    client_id=client_id,
    client_secret=client_secret,
)

oauthlib.oauth2.rfc6749.errors.MissingTokenError: (missing_token) Missing access token parameter.
#3

If I use the regular EU endpoint and an EU S3 bucket (remember this is MODIS which is only on us-west), then the jobs are created, but analysis fails.

 'status': 'FAILED',
 'error': 'Error occurred during analysis of the request.'

If I use a us-west bucket, then creating the jobs obviously fails with "bucket in wrong AWS region".

#4

Hi @chris1 ,

Your approach was correct: you have actually discovered a buried bug in the sentinelhub-py code, so thank you for posting in the forum! The team in charge of the Python package is working on a fix, and we will update this thread when it is rolled out.

In the meantime, if you want to run Batch API in Python, I would suggest you use the requests library. I have written an example of how you would run a batch request with MODIS data, using the us-west endpoint. From there on, you can follow the example snippets from the documentation. If you follow this route, remember to use a bucket located in US-West (Oregon) and to change the endpoint in the example commands.

Sorry for the inconvenience!

#5

Thanks maxim, confirming that your code works and have managed to reorganise my little loop to play nicely with this!

1 Like
#6

Hi @maxim.lamare ! Any news on this? I also get this MissingTokenError trying to download Sentinel-3 OLCI data with earthspy (setting config.sh_base_url to "https://creodias.sentinel-hub.com" in a catalog.search() then using the resulting search iterator in a process API request)

Thank you a lot in advance for your help! :slight_smile: