[HDFS-2940] HA: NullPointerException while formatting NameNode(After Configuring HA)

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: HA branch (HDFS-1623)
• Component/s: ha, namenode
• Assignee: Uma Maheswara Rao G
• Reporter: Brahma Reddy Battula
• Created: 12/Feb/12 15:35
• Updated: 21/Feb/12 06:31
• Resolved: 21/Feb/12 06:31

Description

Scenario:
=========

Step 1: I configured all Ha related configurations

Step 2 : I formatted NN using (./hdfs namenode -format) format command

Please check following Trace:

Formatting using clusterid: CID-26a49fe8-abed-4d80-b02d-eeceb86dbd53
12/02/12 20:57:46 ERROR namenode.NameNode: Exception in namenode join
java.lang.NullPointerException
	at org.apache.hadoop.net.NetUtils.isLocalAddress(NetUtils.java:640)
	at org.apache.hadoop.hdfs.DFSUtil$4.match(DFSUtil.java:115)
	at org.apache.hadoop.hdfs.DFSUtil.getSuffixIDs(DFSUtil.java:934)
	at org.apache.hadoop.hdfs.DFSUtil.getNameServiceId(DFSUtil.java:890)
	at org.apache.hadoop.hdfs.DFSUtil.getNamenodeNameServiceId(DFSUtil.java:850)
	at org.apache.hadoop.hdfs.server.namenode.FSImage.<init>(FSImage.java:129)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:689)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:817)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:894)
12/02/12 20:57:46 INFO namenode.NameNode: SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at HOST-10-18-40-20/10.18.40.20