If you want to have a default value of "null" then the type of your field needs to be a union of null and the real type. For example, for timestamp you would need: "type": ["long", "null"] ... View more

@Simon Jespersen This looks like an authentication issue. For the given topic can you add ACLs for anonymous user as the protocol is PLAINTEXT? bin/kafka-acls.sh --authorizer kafka.security.auth.SimpleAclAuthorizer --authorizer-properties zookeeper.connect=<zookeeper:host> --add --allow-principal User:ANONYMOUS --operation Read --operation Write --operation Describe --topic <topic> ... View more

Thank You mkalyanpur for ur response and i will try ... View more

@Sumit Das in my case, the problem was that Hive was not properly configured to support streaming. Basically transactions must be enabled but some others properties must be set as well. More info here: https://community.hortonworks.com/articles/49949/test-7.html The table must also respect some conditions (stored as ORC, transactional, bucketed). ... View more

@mkalyanpur do I have to copy the krb5.conf file from my Hive server to the NiFi server? ... View more

I am getting same error in HDP 3. ... View more

Great answer! Just to add a caveat, if you are using HDF 2.0 and HDP 2.5, please see the following: https://community.hortonworks.com/questions/59681/puthivestreaming-nifi-processor-various-errors.html ... View more