Till Rohrmann created FLINK-7663:
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Summary: 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
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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