Error running npm-groovy-lint in Docker container: GroovyLint: Unable to start CodeNarc Server.

[CliveUnger]

I am trying to run npm-groovy-lint as a Docker container in a GitLab CI pipeline (similar to CircleCI). My CI config looks something like:

groovy_lint:
  stage: lint
  image: 
    name: nvuillam/npm-groovy-lint
    entrypoint: 
      - /bin/bash
  script:
    - node -v
    - java --version
    - npm-groovy-lint --version
    - npm-groovy-lint --noserver --config ".groovylintrc.json" --failon warning --verbose

However, it fails with the following error:

$ node -v
v18.19.1
$ java --version
openjdk 17.0.10 2024-01-16
OpenJDK Runtime Environment (build 17.0.10+7-alpine-r0)
OpenJDK 64-Bit Server VM (build 17.0.10+7-alpine-r0, mixed mode, sharing)
$ npm-groovy-lint --version
GroovyLint: Unable to start CodeNarc Server. Use --noserver if you do not even want to try
GroovyLint: Successfully processed CodeNarc: 
npm-groovy-lint version 14.4.0
Embeds:
Error collecting CodeNarc version
- Groovy version 3.0.9 (superlite)
$ npm-groovy-lint --noserver --config ".groovylintrc.json" --failon warning --verbose
Unable to use CodeNarc JSON result
undefined
Unexpected error: Cannot convert undefined or null to object
TypeError: Cannot convert undefined or null to object
    at Function.keys (<anonymous>)
    at processOutput (/usr/local/lib/node_modules/npm-groovy-lint/lib/output.js:109:37)
    at NpmGroovyLint.postProcess (/usr/local/lib/node_modules/npm-groovy-lint/lib/groovy-lint.js:335:39)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async NpmGroovyLint.run (/usr/local/lib/node_modules/npm-groovy-lint/lib/groovy-lint.js: f69:13)
    at async /usr/local/lib/node_modules/npm-groovy-lint/lib/index.js:12:9

I tried different permutations of the command: no flags, different path, different entry point, different image version, but it was always the same issue with CodeNarc unable to start. Any guidance on this would be greatly appreciated.

[nvuillam]

@CliveUnger please can you test with latest version ?

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