I've responded to the question on StackOverflow [1]. Thanks
Matt [1] http://stackoverflow.com/questions/43788780/nifi-issues-with-creating-and-connecting-rpg-programmatically/43789310#43789310 On Thu, May 4, 2017 at 12:49 PM, Pushkara R <[email protected]> wrote: > Hi, > > I am trying to write a function that takes two parameters, a processor ID > in machine A and an input port in machine B and creates an RPG in machine B > which connects the above to. > > Now, how I am doing that is > 1. A POST to the > */nifi-api/process-groups/<rootprocessgroupid>/remote-process-groups* > endpoint to create an RPG and retrieve the ID of that RPG > 2. A POST to the */nifi-api/process-groups/<rootprocessgroupid>/connections > *endpoint to create a connection between the processor and the input > port. the processorID and the ID of the input port are being provided along > with the list of the relationships. > 3. A final PUT to */nifi-api/remote-process-groups/<rpgid> *to enable the > transmission between the machines*.* > > Now, the function always throws errors in step 2. A 409 is thrown for the > POST request with the error being 'Unable to find specified destination'. > (though refreshing the canvas on machine 1 shows the rpg having been > created) > However, when I manually run the steps 2 and 3 afterwards, with the same > rpgid, the connection happens. > > Now, I'm not sure if this is a synchronization issue or not, but I want to > figure it out because I would not want to separate out steps 1 2 and 3. > Could somebody point out what could be the issue here? > > Pushkar > > PS - the post messages for steps 2 are the same when the api is called > from within the function and manually. >
