Error in making the API Client of Unity Cloud Build

Hi!

Error has occurred, when I tried to make the API Client of Unity Cloud Build by using swagger-codegen.
swagger-codegen's version is 2.2.1.

 $ swagger-codegen generate -i https://build-api.cloud.unity3d.com/api/v1/api.json -l ruby -o /tmp/unity-cloud-build
 [main] INFO io.swagger.parser.Swagger20Parser - reading from https://build-api.cloud.unity3d.com/api/v1/api.json
 [main] WARN io.swagger.util.PropertyDeserializer - no property from null, null, {ENUM=null, TITLE=null, DESCRIPTION=null, DEFAULT=null, PATTERN=null, DESCRIMINATOR=null, MIN_ITEMS=null, MAX_ITEMS=null, MIN_PROPERTIES=null, MAX_PROPERTIES=null, MIN_LENGTH=null, MAX_LENGTH=null, MINIMUM=null, MAXIMUM=null, EXCLUSIVE_MINIMUM=null, EXCLUSIVE_MAXIMUM=null, UNIQUE_ITEMS=null, EXAMPLE=null, TYPE=null, FORMAT=null, READ_ONLY=null, VENDOR_EXTENSIONS={}}
 [main] WARN io.swagger.util.PropertyDeserializer - no property from null, null, {ENUM=null, TITLE=null, DESCRIPTION=null, DEFAULT=null, PATTERN=null, DESCRIMINATOR=null, MIN_ITEMS=null, MAX_ITEMS=null, MIN_PROPERTIES=null, MAX_PROPERTIES=null, MIN_LENGTH=null, MAX_LENGTH=null, MINIMUM=null, MAXIMUM=null, EXCLUSIVE_MINIMUM=null, EXCLUSIVE_MAXIMUM=null, UNIQUE_ITEMS=null, EXAMPLE=null, TYPE=null, FORMAT=null, READ_ONLY=null, VENDOR_EXTENSIONS={}}
 [main] WARN io.swagger.util.PropertyDeserializer - no property from null, null, {ENUM=null, TITLE=null, DESCRIPTION=null, DEFAULT=null, PATTERN=null, DESCRIMINATOR=null, MIN_ITEMS=null, MAX_ITEMS=null, MIN_PROPERTIES=null, MAX_PROPERTIES=null, MIN_LENGTH=null, MAX_LENGTH=null, MINIMUM=null, MAXIMUM=null, EXCLUSIVE_MINIMUM=null, EXCLUSIVE_MAXIMUM=null, UNIQUE_ITEMS=null, EXAMPLE=null, TYPE=null, FORMAT=null, READ_ONLY=null, VENDOR_EXTENSIONS={}}
 [main] WARN io.swagger.util.PropertyDeserializer - no property from null, null, {ENUM=null, TITLE=null, DESCRIPTION=null, DEFAULT=null, PATTERN=null, DESCRIMINATOR=null, MIN_ITEMS=null, MAX_ITEMS=null, MIN_PROPERTIES=null, MAX_PROPERTIES=null, MIN_LENGTH=null, MAX_LENGTH=null, MINIMUM=null, MAXIMUM=null, EXCLUSIVE_MINIMUM=null, EXCLUSIVE_MAXIMUM=null, UNIQUE_ITEMS=null, EXAMPLE=null, TYPE=null, FORMAT=null, READ_ONLY=null, VENDOR_EXTENSIONS={}}
 [main] WARN io.swagger.util.PropertyDeserializer - no property from null, null, {ENUM=null, TITLE=null, DESCRIPTION=null, DEFAULT=null, PATTERN=null, DESCRIMINATOR=null, MIN_ITEMS=null, MAX_ITEMS=null, MIN_PROPERTIES=null, MAX_PROPERTIES=null, MIN_LENGTH=null, MAX_LENGTH=null, MINIMUM=null, MAXIMUM=null, EXCLUSIVE_MINIMUM=null, EXCLUSIVE_MAXIMUM=null, UNIQUE_ITEMS=null, EXAMPLE=null, TYPE=null, FORMAT=null, READ_ONLY=null, VENDOR_EXTENSIONS={}}
 [main] WARN io.swagger.util.PropertyDeserializer - no property from null, null, {ENUM=null, TITLE=null, DESCRIPTION=null, DEFAULT=null, PATTERN=null, DESCRIMINATOR=null, MIN_ITEMS=null, MAX_ITEMS=null, MIN_PROPERTIES=null, MAX_PROPERTIES=null, MIN_LENGTH=null, MAX_LENGTH=null, MINIMUM=null, MAXIMUM=null, EXCLUSIVE_MINIMUM=null, EXCLUSIVE_MAXIMUM=null, UNIQUE_ITEMS=null, EXAMPLE=null, TYPE=null, FORMAT=null, READ_ONLY=null, VENDOR_EXTENSIONS={}}
 [main] WARN io.swagger.util.PropertyDeserializer - no property from null, null, {ENUM=null, TITLE=null, DESCRIPTION=null, DEFAULT=null, PATTERN=null, DESCRIMINATOR=null, MIN_ITEMS=null, MAX_ITEMS=null, MIN_PROPERTIES=null, MAX_PROPERTIES=null, MIN_LENGTH=null, MAX_LENGTH=null, MINIMUM=null, MAXIMUM=null, EXCLUSIVE_MINIMUM=null, EXCLUSIVE_MAXIMUM=null, UNIQUE_ITEMS=null, EXAMPLE=null, TYPE=null, FORMAT=null, READ_ONLY=null, VENDOR_EXTENSIONS={}}
 [main] WARN io.swagger.util.PropertyDeserializer - no property from null, null, {ENUM=null, TITLE=null, DESCRIPTION=null, DEFAULT=null, PATTERN=null, DESCRIMINATOR=null, MIN_ITEMS=null, MAX_ITEMS=null, MIN_PROPERTIES=null, MAX_PROPERTIES=null, MIN_LENGTH=null, MAX_LENGTH=null, MINIMUM=null, MAXIMUM=null, EXCLUSIVE_MINIMUM=null, EXCLUSIVE_MAXIMUM=null, UNIQUE_ITEMS=null, EXAMPLE=null, TYPE=null, FORMAT=null, READ_ONLY=null, VENDOR_EXTENSIONS={}}
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/lib/swagger_client/models/inline_response_200.rb
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 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/docs//OrgsorgidbuildtargetsSettingsScm.md
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/lib/swagger_client/models/orgsorgidprojects_settings.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/spec/models/orgsorgidprojects_settings_spec.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/docs//OrgsorgidprojectsSettings.md
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/lib/swagger_client/models/orgsorgidprojects_settings_scm.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/spec/models/orgsorgidprojects_settings_scm_spec.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/docs//OrgsorgidprojectsSettingsScm.md
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/lib/swagger_client/models/orgsorgidprojectsprojectidauditlog_lines.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/spec/models/orgsorgidprojectsprojectidauditlog_lines_spec.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/docs//OrgsorgidprojectsprojectidauditlogLines.md
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/lib/swagger_client/models/orgsorgidprojectsprojectidbuildtargets_credentials.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/spec/models/orgsorgidprojectsprojectidbuildtargets_credentials_spec.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/docs//OrgsorgidprojectsprojectidbuildtargetsCredentials.md
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/lib/swagger_client/models/orgsorgidprojectsprojectidbuildtargets_credentials_signing.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/spec/models/orgsorgidprojectsprojectidbuildtargets_credentials_signing_spec.rb
 [main] INFO io.swagger.codegen.AbstractGenerator - writing file /tmp/unity-cloud-build/docs//OrgsorgidprojectsprojectidbuildtargetsCredentialsSigning.md
 [main] ERROR io.swagger.codegen.DefaultCodegen - unexpected missing property for name response
 [main] WARN io.swagger.codegen.DefaultCodegen - skipping invalid property {
   "type" : "array"
 }
 [main] ERROR io.swagger.codegen.DefaultCodegen - unexpected missing property for name response
 Exception in thread "main" java.lang.RuntimeException: Could not process operation:
   Tag: webhooks
   Operation: listHooksForOrg
   Resource: get /orgs/{orgid}/hooks
   Definitions: {orgsorgidbuilds_projectVersion=io.swagger.models.ModelImpl@1a4f246f, inline_response_200_upgrade=io.swagger.models.ModelImpl@cc60d42, options_10=io.swagger.models.ModelImpl@a115693d, orgsorgidprojectsprojectidbuildtargets_credentials=io.swagger.models.ModelImpl@72dc8cd2, options_11=io.swagger.models.ModelImpl@8179b416, orgsorgidprojectsprojectidauditlog_lines=io.swagger.models.ModelImpl@59856bf, options=io.swagger.models.ModelImpl@5a276003, orgsorgidprojects_settings=io.swagger.models.ModelImpl@da9908c6, inline_response_200_9=io.swagger.models.ModelImpl@fe66fe92, inline_response_200_5=io.swagger.models.ModelImpl@45d7b859, inline_response_200_6=io.swagger.models.ModelImpl@fbe4dc1e, inline_response_200_7=io.swagger.models.ModelImpl@addf91ee, inline_response_200_8=io.swagger.models.ModelImpl@3cc21cc5, options_9=io.swagger.models.ModelImpl@992cf9c5, options_8=io.swagger.models.ModelImpl@5a276003, orgsorgidbuildtargets_settings_advanced_unity_playerExporter=io.swagger.models.ModelImpl@3d2f7bcb, options_7=io.swagger.models.ModelImpl@5a276003, orgsorgidbuildtargets_settings_advanced_unity=io.swagger.models.ModelImpl@e1d70c5c, options_6=io.swagger.models.ModelImpl@87eaf1cb, options_5=io.swagger.models.ModelImpl@a16404ad, orgsorgidbuildtargets_credentials_signing_credentialResourceRef=io.swagger.models.ModelImpl@408aaf89, options_4=io.swagger.models.ModelImpl@a16404ad, options_3=io.swagger.models.ModelImpl@42c18bc0, options_2=io.swagger.models.ModelImpl@42c18bc0, orgsorgidbuildtargets_settings_advanced_unity_playerSettings_Android=io.swagger.models.ModelImpl@6fb07693, options_1=io.swagger.models.ModelImpl@5a276003, orgsorgidbuildtargets_credentials=io.swagger.models.ModelImpl@e4325fe0, inline_response_200_1=io.swagger.models.ModelImpl@de73b8f1, orgsorgidbuildtargets_settings_scm=io.swagger.models.ModelImpl@8bdc074f, inline_response_200_2=io.swagger.models.ModelImpl@dc91e158, inline_response_200_3=io.swagger.models.ModelImpl@32a979ff, inline_response_200_effective=io.swagger.models.ModelImpl@6b68b130, orgsorgidbuildtargets_settings_advanced_unity_playerSettings=io.swagger.models.ModelImpl@ceb2fd6c, orgsorgidbuildtargets_settings_advanced=io.swagger.models.ModelImpl@3b8f2090, inline_response_200_4=io.swagger.models.ModelImpl@39a9138c, orgsorgidbuilds_testResults=io.swagger.models.ModelImpl@1f792a17, orgsorgidbuildtargets_credentials_signing_credentialResourceRef_certificate=io.swagger.models.ModelImpl@68c40560, inline_response_200_billingDetails=io.swagger.models.ModelImpl@ec69a373, inline_response_200_11=io.swagger.models.ModelImpl@e715564, inline_response_200_10=io.swagger.models.ModelImpl@75c8c2f8, inline_response_200_13=io.swagger.models.ModelImpl@a398d0bf, inline_response_200_12=io.swagger.models.ModelImpl@16e857b2, inline_response_200_15=io.swagger.models.ModelImpl@a0f787b8, inline_response_200_14=io.swagger.models.ModelImpl@4ca725b, orgsorgidbuildtargets_settings=io.swagger.models.ModelImpl@6aa6edaf, orgsorgidbuildtargets_credentials_signing_credentialResourceRef_keystore=io.swagger.models.ModelImpl@f417d7e, inline_response_200=io.swagger.models.ModelImpl@7c4e77e3, orgsorgidbuildtargets_settings_platform=io.swagger.models.ModelImpl@9892a398, orgsorgidprojectsprojectidbuildtargets_credentials_signing=io.swagger.models.ModelImpl@8babe9e1, inline_response_202=io.swagger.models.ModelImpl@d4038fd7, inline_response_404=io.swagger.models.ModelImpl@a02c4087, orgsorgidbuildtargets_credentials_signing=io.swagger.models.ModelImpl@f186d642, orgsorgidprojects_settings_scm=io.swagger.models.ModelImpl@b4c3041d, orgsorgidbuildtargets_settings_advanced_unity_assetBundles=io.swagger.models.ModelImpl@e86d68c9, orgsorgidbuildtargets_credentials_signing_credentialResourceRef_provisioningProfile=io.swagger.models.ModelImpl@c7e603c5, inline_response_200_billing=io.swagger.models.ModelImpl@a675cab7}
   Exception: null
     at io.swagger.codegen.DefaultGenerator.processOperation(DefaultGenerator.java:720)
     at io.swagger.codegen.DefaultGenerator.processPaths(DefaultGenerator.java:612)
     at io.swagger.codegen.DefaultGenerator.generate(DefaultGenerator.java:339)
     at io.swagger.codegen.cmd.Generate.run(Generate.java:223)
     at io.swagger.codegen.SwaggerCodegen.main(SwaggerCodegen.java:36)
 Caused by: java.lang.NullPointerException
     at io.swagger.codegen.DefaultCodegen.fromResponse(DefaultCodegen.java:1646)
     at io.swagger.codegen.DefaultCodegen.fromOperation(DefaultCodegen.java:1440)
     at io.swagger.codegen.languages.RubyClientCodegen.fromOperation(RubyClientCodegen.java:229)
     at io.swagger.codegen.DefaultGenerator.processOperation(DefaultGenerator.java:668)
     ... 4 more

I think the error happens because of the 'the allOf inside array' on api.json. https://github.com/swagger-api/swagger-ui/issues/1883

Are there anyone who has been in the same trouble??