Cloudera Manager Is Not Aaccessible with "cloudera-scm-server dead but pid file exists" and CM Logs Report "com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure"

(Doc ID 2291844.1)

Last updated on DECEMBER 27, 2017

Applies to:

Big Data Appliance Integrated Software - Version 4.5.0 and later
Information in this document applies to any platform.

Symptoms

Cloudera Manager(CM) is not accessible.

1. Checking the status of the CM server on the CM server node shows: 

 

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms