When configuring Hadoop for analytics in Pseudo Distributed/Distributed mode the datanode is failing to start up.
Last updated on NOVEMBER 03, 2016
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.
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