Integration Guide

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Configure the Metadata Access Service

When the MapR cluster is secured with MapR Kerberos or ticketed authentication, edit Metadata Access Service properties to enable communication between the Developer tool and the cluster.

Perform this task in the following situations:
You are integrating for the first time. You upgraded from version 10.2 or earlier.

In the Administrator tool Domain Navigator, select the Metadata Access Service to configure, and then select the

Processes

tab.

In the

Environment Variables

area, configure the following property to define the Kerberos authentication protocol:

Property	Value
JAVA_OPTS	-Dhadoop.login=<MAPR_ECOSYSTEM_LOGIN_OPTS> -Dhttps.protocols=TLSv1.2 where <MAPR_ECOSYSTEM_LOGIN_OPTS> is the value of the MAPR_ECOSYSTEM_LOGIN_OPTS property in the file /opt/mapr/conf/env.sh .
MAPR_TICKETFILE_LOCATION	Required when the MapR cluster uses Kerberos or MapR Ticket authentication. Location of the MapR ticket file if you saved it to a directory other than /tmp. For example, /export/home/username1/Keytabs_and_krb5conf/Tickets/project1/maprticket_30103