[OASIS Issue Tracker] (ODATA-868) Describe format for In-Stream errors

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

     [ https://issues.oasis-open.org/browse/ODATA-868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ralf Handl updated ODATA-868:
-----------------------------

    Description: 
In Part 1: Protocol, section 9.4 we talk about in-stream errors in a format-independent way. Unfortunately we don't define how these should be represented in the JSON format.

Situations where in-stream errors can occur include
- metadata requests in XML or JSON
- data request in JSON or XML
- media resource requests with any content-type

  was:In Part 1: Protocol, section 9.4 we talk about in-stream errors in a format-independent way. Unfortunately we don't define how these should be represented in the JSON format.

       Proposal: 
No proposal yet, just a collection of ideas:

- if error occurs, inject invalid character (sequence) in stream to stop parsing on client, then inject format-specific error body
- streaming responses contain a header with a link to a monitor resource where clients can check whether the streamed response ended prematurely due to an error.
- with HTTP/2 server can push response to monitor resource requests to client in case of errors
- with HTTP/1.1 use chunked transfer encoding and send error information in trailing headers, e.g. an odata-error "header" that contains a header-friendly encoded JSON or XML error response


> Describe format for In-Stream errors
> ------------------------------------
>
>                 Key: ODATA-868
>                 URL: https://issues.oasis-open.org/browse/ODATA-868
>             Project: OASIS Open Data Protocol (OData) TC
>          Issue Type: Bug
>          Components: OData JSON Format
>    Affects Versions: V4.0_ERRATA02
>            Reporter: Ralf Handl
>              Labels: Clarification
>             Fix For: V4.01_WD01
>
>
> In Part 1: Protocol, section 9.4 we talk about in-stream errors in a format-independent way. Unfortunately we don't define how these should be represented in the JSON format.
> Situations where in-stream errors can occur include
> - metadata requests in XML or JSON
> - data request in JSON or XML
> - media resource requests with any content-type



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