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Restarting a NameNode on the BDA Fails with "FATAL namenode.NameNode: Exception in namenode join java.lang.NullPointerException". (Doc ID 2002790.1)

Last updated on APRIL 28, 2015

Applies to:

Big Data Appliance Integrated Software - Version 4.0 and later
Linux x86-64

Symptoms

On BDA V4.0 restarting one of the NameNode fails with:

"FATAL namenode.NameNode: Exception in namenode join java.lang.NullPointerException".


Running: hadoop namenode -recover, fails with:

 

Cause

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In this Document
Symptoms
Cause
Solution
 Reactive Solution
 Collect the data
 Steps to recover the fsimage
 Proactive Solution
References


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