Created by: mugioka
Closes https://github.com/OpenAPITools/openapi-generator/issues/13588
Hi team.
The following error occurred while generating a k6 scenario from oas using openapi-generator-cli version 6.2.0.
Exception in thread "main" java.lang.RuntimeException: Could not process model 'CommonSiteLink'.Please make sure that your schema is correct!
at org.openapitools.codegen.DefaultGenerator.generateModels(DefaultGenerator.java:518)
at org.openapitools.codegen.DefaultGenerator.generate(DefaultGenerator.java:912)
at org.openapitools.codegen.cmd.Generate.execute(Generate.java:465)
at org.openapitools.codegen.cmd.OpenApiGeneratorCommand.run(OpenApiGeneratorCommand.java:32)
at org.openapitools.codegen.OpenAPIGenerator.main(OpenAPIGenerator.java:66)
Caused by: java.lang.NullPointerException: Cannot invoke "io.swagger.v3.oas.models.media.Schema.getDiscriminator()" because "childSchema" is null
at org.openapitools.codegen.DefaultCodegen.addImport(DefaultCodegen.java:5497)
at org.openapitools.codegen.DefaultCodegen.updateModelForComposedSchema(DefaultCodegen.java:2633)
at org.openapitools.codegen.DefaultCodegen.fromModel(DefaultCodegen.java:2963)
at org.openapitools.codegen.DefaultGenerator.processModels(DefaultGenerator.java:1291)
at org.openapitools.codegen.DefaultGenerator.generateModels(DefaultGenerator.java:513)
... 4 more
This error is occurred if allDefinitions is null or allDefinitions.get(ref) returned null.
Therefore i added null check of the childSchema to the if statement.
This error was generated by https://github.com/OpenAPITools/openapi-generator/pull/12798.
The release that incorporates this PR appears to be 6.1.0, so versions above 6.1.0 may have the above error.
Signed-off-by: mugioka okamugi0722@gmail.com
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