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From "Emil Anca" <>
Subject Re: Review Request 35729: Core-site config reverted after enabling NN HA
Date Mon, 22 Jun 2015 15:08:06 GMT

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(Updated June 22, 2015, 3:08 p.m.)

Review request for Ambari, Jaimin Jetly and Robert Levas.

Bugs: AMBARI-12065

Repository: ambari

Description (updated)

Steps to reproduce:
* Install cluster with no HA
* Set the following core-site.xml properties and restart affected services.
* Tell Ambari to authenticate itself {{ambari-server setup-security}} Option 3
* Validate that UI's require authentication
* Enable NN HA
* Try looking at core-site.xml for all configuration properties and you'll notice they've
been reverted to defaults

**Problem**: The process updated the core-site props as defined in the HDFS Kerberos descriptor
**Solution**: Removed SPNEGO related props from the HDFS Kerberos descriptor


  ambari-server/src/main/resources/common-services/HDFS/ f19e391 



Unit Tests *in progress*

Installed HDFS cluster, kerbenized, enabled HA, monitored core-site props not getting updated.
Relied on the metrics system to report any web interface access issues, none were reported.


Emil Anca

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