The impersonation feature of Zeppelin is currently based per default on SSH-ing to localhost:
https://zeppelin.apache.org/docs/0.7.0/manual/userimpersonation.html This can be overridden e.g. by setting ZEPPELIN_IMPERSONATE_CMD as env variable (e.g. for sudo), but the above error you are reporting sounds like you are trying to use impersonation without having set up the underlying SSH infrastructure. -- View this message in context: http://apache-zeppelin-users-incubating-mailing-list.75479.x6.nabble.com/what-causes-InterpreterException-Host-key-verification-failed-tp5586p6090.html Sent from the Apache Zeppelin Users (incubating) mailing list mailing list archive at Nabble.com.
