Additional Info:

When I enter the curl commands from the 2.0 document, I get the same error:
$ curl -X POST -H "Content-Type: application/vnd.kafka.json.v1+json"   --data 
'{"records":[{"value":{"foo":"bar"}}]}' "http://10.1.30.48:8082/topics/jsontest";
$ curl -X POST -H "Content-Type: application/vnd.kafka.v1+json"  --data 
'{"name": "my_consumer_instance", "format": "json", "auto.offset.reset": 
"smallest"}'   http://10.1.30.48:8082/consumers/my_json_consumer
 $ curl -X GET -H "Accept: application/vnd.kafka.json.v1+json"        
http://10.1.30.48:8082/consumers/my_json_consumer/instances/my_consumer_instance/topics/jsontest
 $ curl -X DELETE  
http://10.1.30.48:8082/consumers/my_json_consumer/instances/my_consumer_instance


http://docs.confluent.io/2.0.0/kafka-rest/docs/intro.html#produce-and-consume-json-messages

-----Original Message-----
From: Heath Ivie [mailto:hi...@autoanything.com] 
Sent: Tuesday, January 12, 2016 3:08 PM
To: users@kafka.apache.org
Subject: 409 Conflict

Hi ,

I am running into an issue where I cannot register new consumers.

The server is consistently return error code 40901: "Consumer cannot subscribe 
the the specified target because it has already subscribed to other topics".

I am using different groups, different topics and different names but I cannot 
figure out what I am doing wrong.

I am using the REST proxy for all of my communication.

I am also letting Kafka select the instance name for me so that it is unique.

Can someone please point me in the right direction?
Thanks
Heath


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