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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