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openapi-generator-jar is ignoring the --custom-generator= option and trying to download the openapi-generator jar instead #989

@DavidBiesack

Description

@DavidBiesack

Describe the bug

The --custom-generator=path-to-local-jar option is ignored and openapi-generator-cli tries to download the openapi-generator jar instead.

There was an older issue #439 which was marked fixed, but the problem is recurring again.

Steps to Reproduce

On Linux, I've installed

$ npm install -D @openapitools/openapi-generator-cli@2.13.4
$ npm ls @openapitools/openapi-generator-cli
└── @openapitools/openapi-generator-cli@2.13.4

but when I try --custom-generator=/workspace/openapi-generator/openapi-generator-6.6.0.jar , the cli tries to download the jar instead

The jar exists in the named location:

# ls -al /workspace/api-defs/bin/openapi-generator/openapi-generator-6.6.0.jar
-rw-r--r-- 1 user user 6134461 Aug 15 17:50 /workspace/api-defs/bin/openapi-generator/openapi-generator-6.6.0.jar

The full command I'm using with openapi-generator-cli is shown below

npx openapi-generator-cli generate --skip-validate-spec --generator-name typescript-angular --input-spec /workspace/openapi.yaml --custom-generator=/workspace/openapi-generator/openapi-generator-6.6.0.jar --template-dir /workspace/openapi-generator/templates/typescript-angular19 --type-mappings set=Array '--additional-properties=npmName=@abc/typescript-angular19-client-sdk,namespace=abc,npmVersion=1.50.0,npmRegistry=https://example.com.com/repository/npm-private/,ngVersion="19.0.0",rxjsVersion="7.4.0",ngPackagrVersion="19.0.0",zonejsVersion="0.15.0",snapshot="false"' --output /workspace//sdks/angular19-client-sdk

but instead of using /workspace/openapi-generator/openapi-generator-6.6.0.jar as requested, the CLI tries to download the jar:

Download 6.6.0 ...

which then seems to hang (which is why we've made a copy of the jar, so our Jenkins CI build does not time out downloading the jar -- we need deterministic builds and dependencies in CI builds)

Expected behavior

Use the named custom generator, not try to download the jar

Operation System (please complete the following information):

  • OS: Linux
  • Version inux d72252143456 6.10.14-linuxkit

Package System (please complete the following information):

  • Version @openapitools/openapi-generator-cli@2.13.4
  • node --version
    v20.12.2
  • npm --version
    10.5.0

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