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https://issues.apache.org/jira/browse/FLINK-7663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16175050#comment-16175050
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ASF GitHub Bot commented on FLINK-7663:
---------------------------------------
GitHub user tillrohrmann opened a pull request:
https://github.com/apache/flink/pull/4699
[FLINK-7663] [flip6] Return BAD_REQUEST if HandlerRequest cannot be created
## What is the purpose of the change
This commit changes the behaviour such that a failure in creating a
`HandlerRequest` will
result in a BAD_REQUEST response by the AbstractRestHandler.
## Brief change log
- Introduce the `HandlerRequestException` indicating that the
`HandlerRequest` could not be created
- Introduce a checked `ConversionException` for
`MessageParameter#convertFromString` to let conversions fail explicitly
- Send `BAD_REQUEST` response in case that the `HandlerRequest` could not
be created
## Verifying this change
- Added `RestEndpointITCase#testBadHandlerRequest`
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable)
R @zentol
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tillrohrmann/flink supportBadRestRequests
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4699.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4699
----
commit 38c8a188ad72a1ce48129077b71df971ade44354
Author: Till Rohrmann <trohrm...@apache.org>
Date: 2017-09-21T16:14:45Z
[FLINK-7663] [flip6] Return BAD_REQUEST if HandlerRequest cannot be created
This commit changes the behaviour such that a failure in creating a
HandlerRequest will
result in a BAD_REQUEST response by the AbstractRestHandler.
----
> Allow AbstractRestHandler to handle bad requests
> ------------------------------------------------
>
> Key: FLINK-7663
> URL: https://issues.apache.org/jira/browse/FLINK-7663
> Project: Flink
> Issue Type: Bug
> Components: REST
> Affects Versions: 1.4.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Labels: flip-6
>
> The {{AbstractRestHandler}} parses the request and tries to generate a
> {{HandlerRequest}}. If this fails, then the server answers with an internal
> server error. Instead we should allow the {{AbstractRestHandler}} to be able
> to return a BAD_REQUEST status code. In order to do that, I would like to
> introduce a {{HandlerRequestException}} which can be thrown while creating
> the {{HandlerRequest}}. If this exception is thrown, then we return an error
> message with {{BAD_REQUEST}} {{HttpResponseStatus}}.
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