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https://issues.apache.org/jira/browse/OLINGO-510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14278737#comment-14278737
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Christian Holzer commented on OLINGO-510:
-----------------------------------------
Hi Thierry,
you have to change the line
ODataReferenceAddingRequest req = client.getCUDRequestFactory()
.getReferenceAddingRequest(productCategoriesUri, ref);
to
ODataReferenceAddingRequest req = client.getCUDRequestFactory()
.getReferenceAddingRequest(serviceRoot, productCategoriesUri, ref);
The previous implementation sent always an empty body to the server. As
described in OData speciation (11.4.6.1 and 11.4.6.3), the body must contain,
in both cases, a single entity reference.
Such a body could look like this:
{
"@odata.context": "http://host/service/$metadata#$ref";,
"@odata.id": "Orders(10643)"
}
or
<metadata:ref xmlns:metadata="http://docs.oasis-open.org/odata/ns/metadata";
metadata:context="http://host/service/$metadata#$ref";
id="http://host/service/Orders(10643)" />
As mentioned in the OData format documents, the attribute context must be
provided. So the service root will be used to construct the URI the metadata
document.
Best Regards,
Christian
> Problem when using the ODataReferenceAddingRequest to add a reference to a
> property
> -----------------------------------------------------------------------------------
>
> Key: OLINGO-510
> URL: https://issues.apache.org/jira/browse/OLINGO-510
> Project: Olingo
> Issue Type: Bug
> Components: odata4-client
> Affects Versions: V4 4.0.0-beta-01
> Environment: java version : "1.7.0_72"
> Odata v4 service :
> http://services.odata.org/V4/OData/(S(li4s4wcplcgyiy3uvuog1lxl))/OData.svc
> Reporter: Thierry Templier
> Assignee: Christian Amend
>
> When using a ODataReferenceAddingRequest to a reference for a property:
> String serviceRoot = (...);
> URI productCategoriesUri = client.newURIBuilder(serviceRoot)
> .appendEntitySetSegment("Products")
> .appendKeySegment(1)
> .appendNavigationSegment("Categories")
> .appendRefSegment()
> .build();
> URI ref = client.newURIBuilder(serviceRoot)
> .appendEntitySetSegment("Categories")
> .appendKeySegment(1)
> .build();
> ODataReferenceAddingRequest req = client.getCUDRequestFactory()
> .getReferenceAddingRequest(productCategoriesUri, ref);
> ODataReferenceAddingResponse res = req.execute();
> The link of the reference to add isn't sent in the payload of the request.
> Here is the simplified content of the request:
> POST
> /V4/OData/(S(li4s4wcplcgyiy3uvuog1lxl))/OData.svc/Products(1)/Supplier/$ref
> and the simplified content of the response:
> HTTP/1.1 400 Bad Request
> {
> "error":{
> "code":"",
> "message":"An error occurred while processing this request.",
> "innererror":{
> "message":"An unexpected 'EndOfInput' node was found when reading from
> the JSON reader. A 'StartObject'
> node was
> expected.","type":"Microsoft.OData.Core.ODataException","stacktrace":" "
> }
> }
> }
> We should have something like this in the payload:
> {
> "@odata.id":"http://(...)/Suppliers(4)"
> }
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