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https://issues.apache.org/jira/browse/FLINK-9599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16519614#comment-16519614
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ASF GitHub Bot commented on FLINK-9599:
---------------------------------------

Github user tillrohrmann commented on a diff in the pull request:

    https://github.com/apache/flink/pull/6189#discussion_r197217367
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/rest/RestClient.java ---
    @@ -184,7 +206,64 @@ public void shutdown(Time timeout) {
                return submitRequest(targetAddress, targetPort, httpRequest, 
responseType);
        }
     
    -   private <P extends ResponseBody> CompletableFuture<P> 
submitRequest(String targetAddress, int targetPort, FullHttpRequest 
httpRequest, JavaType responseType) {
    +   private static Request createRequest(String targetAddress, int 
targetPort, String targetUrl, HttpMethodWrapper httpMethod, ByteBuf 
jsonPayload, Collection<FileUpload> fileUploads) throws IOException {
    --- End diff --
    
    Could we combine `targetAddress` and `targetPort` into `targetAddressPort = 
targetAddress + ':' + targetPort`?


> Implement generic mechanism to receive files via rest
> -----------------------------------------------------
>
>                 Key: FLINK-9599
>                 URL: https://issues.apache.org/jira/browse/FLINK-9599
>             Project: Flink
>          Issue Type: New Feature
>          Components: REST
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.6.0
>
>
> As a prerequisite for a cleaner implementation of FLINK-9280 we should
>  * extend the RestClient to allow the upload of Files
>  * extend FileUploadHandler to accept mixed multi-part requests (json + files)
>  * generalize mechanism for accessing uploaded files in {{AbstractHandler}}
> Uploaded files can be forwarded to subsequent handlers as an attribute, 
> similar to the existing special case for the {{JarUploadHandler}}. The JSON 
> body can be forwarded by replacing the incoming http requests with a simple 
> {{DefaultFullHttpRequest}}.
> Uploaded files will be retrievable through the {{HandlerRequest}}.
> I'm not certain if/how we can document that a handler accepts files.



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