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https://issues.apache.org/jira/browse/OLINGO-1064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15982573#comment-15982573
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Ramya commented on OLINGO-1064:
-------------------------------
The client Deserializer code is unchanged and it still returns a primitive
value when complex property has a null value. However, the ODataBinder class
has instance of EDM, hence we can check for the type of the property here.
Please verify the fix and reopen the issue if still reproducible.
> 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
> Attachments: complexType.png
>
>
> 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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