When configuring Hadoop for analytics in Pseudo Distributed/Distributed mode the datanode is failing to start up.
(Doc ID 1425774.1)
Last updated on MAY 14, 2021
Applies to:Oracle WebCenter Sites - Version 2.5 to 2.5.1 [Release FatWire]
Information in this document applies to any platform.
When configuring Hadoop for analytics in Pseudo Distributed/Distributed mode the datanode is failing to start up and gives the following exception:
ERROR org.apache.hadoop.dfs.DataNode: java.io.IOException: Incompatible namespaceIDs in /home/hadoop/dfs/data: namenode namespaceID = ; datanode namespaceID =
This causes the Analytics jobs to fail since the hadoop jobs and hdfs agent fail to to start.
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document