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https://issues.apache.org/jira/browse/FLINK-9599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16517935#comment-16517935
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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/6178#discussion_r196695325
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/rest/FileUploadHandler.java
---
@@ -72,10 +82,12 @@ public FileUploadHandler(final Path uploadDir) {
protected void channelRead0(final ChannelHandlerContext ctx, final
HttpObject msg) throws Exception {
if (msg instanceof HttpRequest) {
final HttpRequest httpRequest = (HttpRequest) msg;
+ LOG.trace("Received request. URL:{} Method:{}",
httpRequest.getUri(), httpRequest.getMethod());
if (httpRequest.getMethod().equals(HttpMethod.POST)) {
if
(HttpPostRequestDecoder.isMultipart(httpRequest)) {
currentHttpPostRequestDecoder = new
HttpPostRequestDecoder(DATA_FACTORY, httpRequest);
currentHttpRequest = httpRequest;
+ currentUploadDir =
Files.createDirectory(uploadDir.resolve(UUID.randomUUID().toString()));
--- End diff --
How do we clean up the `currentUploadDir` in case of a failure?
> 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
> 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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