Hi,
I am trying to create couchbase document_id (PutCouchbaseKey processor) as
json key "stud_id" using expression-language but i am getting below error.
due to uncaught
Exception:org.apache.nifi.attribute.expressac_noguage.exception.AttributeExpressionLanguageException:Subject
is empty.
Keys:-
{stud_id,first_name,last_name}
My Teamplate:-
ExecuteHQL->SplitAvro->AvroToJson->PutCouch
nifi1.PNG
<http://apache-nifi-developer-list.39713.n7.nabble.com/file/t927/nifi1.PNG>
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