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https://issues.apache.org/jira/browse/OLINGO-1064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16006348#comment-16006348
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Frederik Zimmer commented on OLINGO-1064:
-----------------------------------------
With this bugfix ClientPropertyImpl.hasNullValue no longer returns true for
null complex values as they are expected to be primitive. Will this side effect
bug be resolved in this ticket or should I create a new one?
> ComplexType is deserialized as Primitive Type if the value is NULL
> ------------------------------------------------------------------
>
> Key: OLINGO-1064
> URL: https://issues.apache.org/jira/browse/OLINGO-1064
> Project: Olingo
> Issue Type: Bug
> Components: odata4-client, odata4-commons
> Affects Versions: (Java) V4 4.2.0
> Reporter: Punith DG
> Assignee: Christian Amend
> Fix For: (Java) V4 4.4.0
>
> Attachments: complexType.png, OLINGO-1064.diff
>
>
> The ODataClient deserializer wrongly converts the Complex Type field to
> Primitive Type field if the value received for the complex type is NULL.
> e.g. on querying Person data from OData TripPin service
> (https://services.odata.org/TripPinRESTierService) I received below JSON
> response.
> {
> "@odata.context":
> "http://services.odata.org/TripPinRESTierService/(S(myhztseklikbg41mbg03ugk5))/$metadata#People(AddressInfo,FavoriteFeature,FirstName,HomeAddress,LastName,UserName)",
> "value": [{
> "FavoriteFeature": "Feature1",
> "FirstName": "Angel",
> "Gender": "Female",
> "LastName": "Huffman",
> "UserName": "angelhuffman",
> "AddressInfo": [{
> "Address": "55 Grizzly Peak Rd.",
> "City": {
> "Name": "Butte",
> "CountryRegion": "United States",
> "Region": "MT"
> }
> }],
> "HomeAddress": null
> }]
> }
> See that 'HomeAddress' is ComplexType of type 'Location' and received 'null'
> value.
> Similarly, ComplexType property 'City' is deserialized as Primitive Type in
> the below response.
> "HomeAddress": {
> "Address": null,
> "City": null
> }
> When you deserialize and get an entity, the HomeAddress property of the
> Person entity is set to Primitive Type with null value. This could be complex
> type?
> Metadata URL - http://tinyurl.com/gm8vomc
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