Hello thanks everybody for your answers
The request is a put request from a Jax rs client java
………..
response = webResource.type("application/json").put(ClientResponse.class,
returnedJSONProcessor1Updated);
…………
with returnedJSONProcessor1Updated ( see the gist pls)
https://gist.github.com/pgibert/1fdd1d7bf8de4c9bda4e
best regards
philippe
De : Matt Gilman [mailto:[email protected]]
Envoyé : mardi 19 janvier 2016 17:58
À : [email protected]
Objet : Re: control nifi processors with REST (ie without GUI)
Philippe,
NiFi employs an optimistic locking scheme that requires clients to pass in a
revision when making a mutable request. The revision is comprised of a version
(a number that increments with each modification) and a client id. The client
id can be any string. Typically however, you'll use the client id that's
generated for you when you make your first request (like retrieving the entire
flow). You should continue to use this client id with all subsequent requests.
In order for a mutable request to be accepted, a client must either have the
current version or the client id that last modified the flow. The second check
allows clients to submit requests asynchronous without having to wait for
preceding requests to complete.
I am guessing that based on your error message your not including a client id
in your request and your revision is not current. Each successful mutable
request will contain the updated revision in the response.
Let me know if this helps. If not, could you send the requests your making?
Thanks!
Matt
On Tue, Jan 19, 2016 at 11:48 AM,
<[email protected]<mailto:[email protected]>> wrote:
Hello,
My nifi version : nifi 0.4.1
I try to control a nifi topology with REST API (java jaxRS client ).
I have a Nifi group of 2 processors and I can retrieve the json config for
each of them . perfect !
But when I modify the json config ( Input Directory for my getfile processor
instance) and use REST PUT API to update the proc config,
I get back these messages :
: HTTP status code : 409
: This NiFi instance has been updated by 'anonymous'. Please refresh to
synchronize the view.
And the config of the processor is not updated ( checking it with GUI, doing a
manual refresh status and also a REST get)
Any idea ? problem of user auth?
Best regards
Philippe
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