Spring odata uses MERGE method for updating Entity

If we dont add MERGE HttpMethod here, then preflight request with asking MERGE method will be rejected.

https://www.odata.org/documentation/odata-version-2-0/operations/ 2. Operations The OData service interface has a fixed number of operations that have uniform meaning across all the resources it can act on. These operations are retrieve, create, update and delete and they map to the GET, POST, PUT/MERGE and DELETE HTTP methods.

Comment From: pivotal-issuemaster

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Comment From: met-pub

OK. Finally I changed odata client to send PUT method. seems PUT/MERGE apply equally