Docker Maven plugin authentication error when pushing to Docker Hub repository

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1

I’m getting an authentication error when trying to push a Docker image to Docker Hub using Maven. Here’s what I’m running:

mvn clean compile docker:build -DpushImage

The build process fails with this error message:

[WARNING] Failed to push myuser/spring-app, retrying in 10 seconds (5/5).

[ERROR] Failed to execute goal com.spotify:docker-maven-plugin:0.4.13:build (default-cli) on project spring-app: Exception caught: unauthorized: authentication required -> [Help 1]

I’ve tried logging in to Docker Hub using these commands and both work fine:

docker login -u myuser https://index.docker.io/v1/

docker login

The login is successful but I still get the authentication error when Maven tries to push. I already created the repository on Docker Hub and it’s set to public. What could be causing this issue and how can I fix it?

2

you might wanna check your settings.xml for any missing config related to Docker. sometimes specifying the auth details there helps maven find em correctly. also, double check the version of the plugin you’re using, maybe updating could resolve these issues.