Hi Henry,

The URL below looks like the one from the YARN proxy (note that "proxy"
appears in the URL):


http://storage4.test.lan:8089/proxy/application_1532081306755_0124/jobs/269608367e0f548f30d98aa4efa2211e/savepoints

You can use

    yarn application -status <APPLICATION_ID>

to find the host and port of the application master (AM host & RPC Port).

Best,
Gary

On Wed, Sep 26, 2018 at 3:23 AM 徐涛 <happydexu...@gmail.com> wrote:

> Hi Till,
> Actually I do send to request to the application master:
> "
> http://storage4.test.lan:8089/proxy/application_1532081306755_0124/jobs/269608367e0f548f30d98aa4efa2211e/savepoints
> ”
> with post body
> { "target-directory" : "hdfs://flinkDsl/xxx", "cancel-job" : "true” }
> If I use the following GET url, everything is OK
> "
> http://storage4.test.lan:8089/proxy/application_1532081306755_0124/jobs/269608367e0f548f30d98aa4efa2211e/checkpoints
> "
>
> Best
> Henry
>
>
> 在 2018年9月26日,上午5:32,Till Rohrmann <trohrm...@apache.org> 写道:
>
> Hi Henry,
>
> I think when running Flink on Yarn, then you must not go through the Yarn
> proxy. Instead you should directly send the post request to the node on
> which the application master runs. When starting a Flink Yarn session via
> yarn-session.sh, then the web interface URL is printed to stdout, for
> example.
>
> Cheers,
> Till
>
> On Tue, Sep 25, 2018 at 9:43 AM 徐涛 <happydexu...@gmail.com> wrote:
>
>> Hi All,
>> I am trying to POST a RESTful url and want to generate a savepoint, the
>> Flink version is 1.6.0.
>> When I executed the POST in local, everything is OK, but when I POST the
>> url on a Flink on YARN application. The following error is returned:
>> “405 HTTP method POST is not supported by this URL”, I guess it is caused
>> by YARN limitation. (
>> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/REST-API-quot-broken-quot-on-YARN-because-POST-is-not-allowed-via-YARN-proxy-td19329.html
>> )
>> But does it have a workaround now?
>>
>> Best
>> Henry
>>
>
>

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