2016/02/26 10:38:07.809 [http-nio-8080-exec-13] ERROR o.a.c.processor.DefaultErrorHandler - Failed delivery for (MessageId: ID-ubuntu-12-36055-1456472089369-0-183 on ExchangeId: ID-ubuntu-12-36055-1456472089369-0-184). Exhausted after delivery attempt: 1 caught: org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "user_name_uniq"
  Подробности: Key (user_name)=(graf-posad@mail.ru) already exists.

Message History
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RouteId              ProcessorId          Processor                                                                        Elapsed (ms)
[createUser        ] [createUser        ] [                                                                              ] [         7]
[createUser        ] [setBody22         ] [setBody[simple{insert into users VALUES(:?username,:?password);}]             ] [         0]
[createUser        ] [to15              ] [jdbc:userDB?useHeadersAsParameters=true                                       ] [         7]

Exchange
---------------------------------------------------------------------------------------------------------------------------------------
Exchange[
	Id                  ID-ubuntu-12-36055-1456472089369-0-184
	ExchangePattern     InOnly
	Headers             {breadcrumbId=ID-ubuntu-12-36055-1456472089369-0-183, CamelRedelivered=false, CamelRedeliveryCounter=0, password=561e61fd-4d8c-44bc-9dac-bca427a8b42e, username=graf-posad@mail.ru}
	BodyType            String
	Body                insert into users VALUES(:?username,:?password);
]

Stacktrace
---------------------------------------------------------------------------------------------------------------------------------------
org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "user_name_uniq"
  Подробности: Key (user_name)=(graf-posad@mail.ru) already exists.