swagger-codegen - Spring - NPE - Full Output

gistfile1.txt

spring-client $ swagger-codegen generate -v -l spring -i ../openapi.yaml
16:15:37.061 [main] DEBUG io.swagger.codegen.v3.cli.SwaggerCodegen - there are not options for command 'langs'
16:15:37.063 [main] DEBUG io.swagger.codegen.v3.cli.SwaggerCodegen - there are not options for command 'version'
16:15:37.107 [Thread-1] INFO io.swagger.codegen.v3.config.CodegenConfigurator - 
VERBOSE MODE: ON. Additional debug options are injected
 - [debugSwagger] prints the swagger specification as interpreted by the codegen
 - [debugModels] prints models passed to the template engine
 - [debugOperations] prints operations passed to the template engine
 - [debugSupportingFiles] prints additional data passed to the template engine
16:15:37.117 [Thread-1] DEBUG io.swagger.codegen.v3.config.CodegenConfigurator - Loaded raw data: openapi: '3.0.0'
into:
  title: Records OpenAPI document
  version: 1.0.0

components:
  schemas:
    Record:
      type: object
      properties:
        id:
          type: integer
          format: int64
        code:
          type: string
        info:
          type: string

paths:
  /records:
    get:
      description: Get the records
      responses:
        '200':
          description: A list of records
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Record'


16:15:37.121 [Thread-1] DEBUG io.swagger.v3.parser.OpenAPIV3Parser - Loaded raw data: openapi: '3.0.0'
into:
  title: Records OpenAPI document
  version: 1.0.0

components:
  schemas:
    Record:
      type: object
      properties:
        id:
          type: integer
          format: int64
        code:
          type: string
        info:
          type: string

paths:
  /records:
    get:
      description: Get the records
      responses:
        '200':
          description: A list of records
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Record'


16:15:37.122 [Thread-1] DEBUG io.swagger.v3.parser.OpenAPIV3Parser - Parsed rootNode: {"openapi":"3.0.0","into":{"title":"Records OpenAPI document","version":"1.0.0"},"components":{"schemas":{"Record":{"type":"object","properties":{"id":{"type":"integer","format":"int64"},"code":{"type":"string"},"info":{"type":"string"}}}}},"paths":{"/records":{"get":{"description":"Get the records","responses":{"200":{"description":"A list of records","content":{"application/json":{"schema":{"type":"array","items":{"$ref":"#/components/schemas/Record"}}}}}}}}}}
16:15:37.140 [Thread-1] INFO io.swagger.codegen.v3.ignore.CodegenIgnoreProcessor - No .swagger-codegen-ignore file found.
{
  "openapi" : "3.0.0",
  "servers" : [ {
    "url" : "/"
  } ],
  "paths" : {
    "/records" : {
      "get" : {
        "description" : "Get the records",
        "responses" : {
          "200" : {
            "description" : "A list of records",
            "content" : {
              "application/json" : {
                "schema" : {
                  "type" : "array",
                  "items" : {
                    "$ref" : "#/components/schemas/Record"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components" : {
    "schemas" : {
      "Record" : {
        "type" : "object",
        "properties" : {
          "id" : {
            "type" : "integer",
            "format" : "int64"
          },
          "code" : {
            "type" : "string"
          },
          "info" : {
            "type" : "string"
          }
        }
      }
    }
  }
}
Exception in thread "Thread-1" java.lang.NullPointerException
	at io.swagger.codegen.v3.generators.java.SpringCodegen.preprocessOpenAPI(SpringCodegen.java:421)
	at io.swagger.codegen.v3.DefaultGenerator.configureGeneratorProperties(DefaultGenerator.java:190)
	at io.swagger.codegen.v3.DefaultGenerator.generate(DefaultGenerator.java:713)
	at io.swagger.codegen.v3.cli.cmd.Generate.run(Generate.java:342)
	at java.lang.Thread.run(Thread.java:745)