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https://issues.apache.org/jira/browse/OLINGO-1554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17493171#comment-17493171
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Prasanth Ganesh Rao commented on OLINGO-1554:
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Submiting the patch with possible fix for review. Can someone check and assist?
> Olingo V4 - Uniqueness of Content-ID in batch request
> -----------------------------------------------------
>
> Key: OLINGO-1554
> URL: https://issues.apache.org/jira/browse/OLINGO-1554
> Project: Olingo
> Issue Type: Bug
> Components: odata4-client
> Affects Versions: (Java) V4 4.8.0
> Environment: SAP_GWFND 7.54 SP4
> Reporter: Kai Stritzelberger
> Priority: Blocker
> Labels: V4, batch, clientCore, odata4, olingo, olingo4
> Attachments:
> 0001-OLINGO-1554-Fix-for-Uniqueness-of-Content-ID-in-requ.patch
>
>
> Currently, the Olingo client core uses an ascending index for the Content-ID
> header value which is unique in the individual changeset but not in the
> complete batch request when using BatchManager.addChangeset API.
> This leads to problems with SAPs OData V4 services and is not correct
> according to the OData V4 spec:
> 11.7.7.1 Multipart Batch Request Body
> "[...] Each body part representing an operation in the change set MUST
> specify a Content-ID header with a request identifier that is unique within
> the batch request. [...]"
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