[ome-users] Is a web-user different from an API user? I get a credentials error

[Mario Emmenlauer]

Dear OMERO Team,

I followed the documentation to add a user to a dockerized OMERO server:
https://www.openmicroscopy.org/site/support/omero5.3/sysadmins/cli/usergroup.html
When I start the dockerized OMERO, I can log in from the web with the
user/password credentials. Then I tried the minimal-omero-client example
from https://github.com/ome/minimal-omero-client but it fails. I do:

docker run \
    --publish 56022:22 --publish 56023:4063 --publish 56024:4064 \
    --publish 56028:80 --publish 56029:443 [...]

./gradlew build install && \
./build/install/GIT-minimal-omero-client/bin/GIT-minimal-omero-client \
    --omero.host='myhost' \
    --omero.port='56024' \
    --omero.user='myuser' \
    --omero.pass='mypassword'

But get error:
omero.gateway.exception.DSOutOfServiceException: Login credentials not valid
	at omero.gateway.Gateway.connect(Gateway.java:264)
	at com.example.SimpleConnection.connect(SimpleConnection.java:66)
	at com.example.SimpleConnection.main(SimpleConnection.java:95)
Caused by: Glacier2.PermissionDeniedException
    reason = "Password check failed for 'myuser': [id=2]"


I'm pretty sure the parameters to minimal-omero-client are correct,
because I tried various changes and they lead to adverse effects
like "SSL error" on port 56023 or "connection refused" on different
host names. I used copy-paste for the password, so the risk of typing
errors is small.

Why do the login credentials work on the website but fail via the API?
Does a user require certain privileges for API login?

All the best,

    Mario Emmenlauer


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