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https://issues.apache.org/jira/browse/YARN-8779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brahma Reddy Battula updated YARN-8779:
---------------------------------------
Target Version/s: 3.4.0 (was: 3.3.0)
Bulk update: moved all 3.3.0 non-blocker issues, please move back if it is a
blocker.
> Fix few discrepancies between YARN Service swagger spec and code
> ----------------------------------------------------------------
>
> Key: YARN-8779
> URL: https://issues.apache.org/jira/browse/YARN-8779
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn-native-services
> Affects Versions: 3.1.0, 3.1.1
> Reporter: Gour Saha
> Priority: Major
>
> Following issues were identified in YARN Service swagger definition during an
> effort to integrate with a running service by generating Java and Go
> client-side stubs from the spec -
>
> 1.
> *restartPolicy* is wrong and should be *restart_policy*
>
> 2.
> A DELETE request to a non-existing service (or a previously existing but
> deleted service) throws an ApiException instead of something like
> NotFoundException (the equivalent of 404). Note, DELETE of an existing
> service behaves fine.
>
> 3.
> The response code of DELETE request is 200. The spec says 204. Since the
> response has a payload, the spec should be updated to 200 instead of 204.
>
> 4.
> _DefaultApi.java_ client's _appV1ServicesServiceNameGetWithHttpInfo_ method
> does not return a Service object. Swagger definition has the below bug in GET
> response of */app/v1/services/\{service_name}* -
> {code:java}
> type: object
> items:
> $ref: '#/definitions/Service'
> {code}
> It should be -
> {code:java}
> $ref: '#/definitions/Service'
> {code}
>
> 5.
> Serialization issues were seen in all enum classes - ServiceState.java,
> ContainerState.java, ComponentState.java, PlacementType.java and
> PlacementScope.java.
> Java client threw the below exception for ServiceState -
> {code:java}
> Caused by: com.fasterxml.jackson.databind.exc.MismatchedInputException:
> Cannot construct instance of
> `org.apache.cb.yarn.service.api.records.ServiceState` (although at least one
> Creator exists): no String-argument constructor/factory method to deserialize
> from String value ('ACCEPTED')
> at [Source:
> (org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$UnCloseableInputStream);
> line: 1, column: 121] (through reference chain:
> org.apache.cb.yarn.service.api.records.Service["state”])
> {code}
> For Golang we saw this for ContainerState -
> {code:java}
> ERRO[2018-08-12T23:32:31.851-07:00] During GET request: json: cannot
> unmarshal string into Go struct field Container.state of type
> yarnmodel.ContainerState
> {code}
>
> 6.
> *launch_time* actually returns an integer but swagger definition says date.
> Hence, the following exception is seen on the client side -
> {code:java}
> Caused by: com.fasterxml.jackson.databind.exc.MismatchedInputException:
> Unexpected token (VALUE_NUMBER_INT), expected START_ARRAY: Expected array or
> string.
> at [Source:
> (org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$UnCloseableInputStream);
> line: 1, column: 477] (through reference chain:
> org.apache.cb.yarn.service.api.records.Service["components"]->java.util.ArrayList[0]->org.apache.cb.yarn.service.api.records.Component["containers"]->java.util.ArrayList[0]->org.apache.cb.yarn.service.api.records.Container["launch_time”])
> {code}
>
> 8.
> *user.name* query param with a valid value is required for all API calls to
> an unsecure cluster. This is not defined in the spec.
>
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