[BUG] R generator throws: Cannot read field "isArray" because "codegenProperty" is null #15915
Description
Bug Report Checklist
- Have you provided a full/minimal spec to reproduce the issue?
- Have you validated the input using an OpenAPI validator (example)?
- Have you tested with the latest master to confirm the issue still exists?
- The main branch does not compile successfully (
package lombok does not exist)
- The main branch does not compile successfully (
- Have you searched for related issues/PRs?
- What's the actual output vs expected output?
- [Optional] Sponsorship to speed up the bug fix or feature request (example)
Description
I want to generate an API client for R from this OpenAPI description, but the generation fails with the following error:
$ openapi-generator-cli generate
...
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] Exception in thread "main" java.lang.RuntimeException: Could not generate api file for 'Challenge'
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.DefaultGenerator.generateApis(DefaultGenerator.java:717)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.DefaultGenerator.generate(DefaultGenerator.java:949)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.cmd.Generate.execute(Generate.java:487)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.cmd.OpenApiGeneratorCommand.run(OpenApiGeneratorCommand.java:32)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.OpenAPIGenerator.main(OpenAPIGenerator.java:66)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] Caused by: java.lang.NullPointerException: Cannot read field "isArray" because "codegenProperty" is null
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.languages.RClientCodegen.constructExampleCode(RClientCodegen.java:950)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.languages.RClientCodegen.constructExampleCode(RClientCodegen.java:932)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.languages.RClientCodegen.postProcessOperationsWithModels(RClientCodegen.java:903)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.DefaultGenerator.processOperations(DefaultGenerator.java:1271)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] at org.openapitools.codegen.DefaultGenerator.generateApis(DefaultGenerator.java:605)
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] ... 4 more
[[api-client-r] #{cwd}/../api-description/build/openapi.yaml] java -jar "/workspaces/sage-monorepo/node_modules/@openapitools/openapi-generator-cli/versions/6.6.0.jar" generate --input-spec="/workspaces/sage-monorepo/libs/openchallenges/api-client-r/../api-description/build/openapi.yaml" --generator-name="r" --output="/workspaces/sage-monorepo/libs/openchallenges/api-client-r/src/lib/" exited with code 1
[api-client-r] #{cwd}/../api-description/build/openapi.yaml
java -jar "/workspaces/sage-monorepo/node_modules/@openapitools/openapi-generator-cli/versions/6.6.0.jar" generate --input-spec="/workspaces/sage-monorepo/libs/openchallenges/api-client-r/../api-description/build/openapi.yaml" --generator-name="r" --output="/workspaces/sage-monorepo/libs/openchallenges/api-client-r/src/lib/"The generator configuration is available here.
openapi-generator version
6.6.0
OpenAPI declaration file content or url
Generation Details
See above for the command used, the generator config file and openapi file.
Steps to reproduce
- Install the
openapi-generator-cli(see the README of this repo) - Create the folder
api-client-r - Add the following files to this folder
- From inside the folder
api-client-r, generate the API client for R withopenapi-generator-cli generate