On Oracle Big Data Appliance(BDA) Errors are Noticed During Restarting CDH Services in Cloudera Manager(CM) (Doc ID 1913995.1)

Last updated on OCTOBER 11, 2016

Applies to:

Big Data Appliance Integrated Software - Version 2.2.1 and later
Linux x86-64

Symptoms

On Oracle Big Data Appliance(BDA) trying to restart some/All of the CDH services(Yarn, Hue, Hive ..etc) in Cloudera Manager fail with below error

Command failed to start: com.cloudera.cmf.service.DaemonRoleHandler$ProcessSupplierException: com.cloudera.cmf.service.config.ConfigGenException: Unable to parse XML safety valve

There are NO manual configuration changes made for any of the CDH services failing to start. But error seems to be on the following safety valve parameters:

  1. JobHistory Server Default Group / Advanced JobHistory Server Advanced Configuration Snippet (Safety Valve) for mapred-site.xml
  2. NodeManager Default Group / Advanced NodeManager Advanced Configuration Snippet (Safety Valve) for yarn-site.xml
  3. Oozie Server Default Group / Advanced Oozie Server Advanced Configuration Snippet (Safety Valve) for oozie-site.xml
  4. Service-Wide / Advanced Hive Service Advanced Configuration Snippet (Safety Valve) for hive-site.xml
  5. Gateway Default Group / Advanced Hive Client Advanced Configuration Snippet (Safety Valve) for hive-site.xml

This error can be noticed

a) After installing CDH Non-Secure cluster using mammoth 3.0.1 on a 2.6 Image.

OR

b) Adding a Edge server to the Cluster

OR

c) Just restart of Cluster needed for maintainence purpose

Cause

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