UnknownHostException on submission Spark jobs to an AWS EMR cluster

2019-08-01 Thread Yan Yang
We have been trying to submit Spark jobs to an AWS EMR cluster from our own Zeppelin instance. The YARN job was received and started properly, but ran into below error. The host indicated in the error is a weird 12-char alphanumeric string that does not look like hostname or IP. *Caused by: java.

Re: UnknownHostException on submission Spark jobs to an AWS EMR cluster

2019-08-02 Thread Yan Yang
Jeff When we run the Spark interpreter against remote cluster, does the interpreter process run locally or on the Spark cluster? Which port do we need to open on the zeppelin-server for the interpreter? Thanks a lot for the help. Yan

Issue with permissionsByRole field in Shiro integration

2019-10-29 Thread Yan Yang
Hi I am trying to integrate Shiro with LDAP auth. I have followed the setup guide on https://zeppelin.apache.org/docs/latest/setup/security/shiro_authentication.html and noticed one issue. The example refers to this configuration: ldapRealm.permissionsByRole= user_role = *:ToDoItemsJdo:*:*, *:T