Getting error while starting hdfs namenode -format

–1 vote

I'm installing hadoop on remote server when starting

hdfs namenode -format

I am getting this error 

java.net.UnknownHostException: Web: Web: unknown error

.bashrc file:

export JAVA_HOME=/opt/jdk1.8.0_101
export JRE_HOME=/opt/jdk1.8.0_101/jre
export PATH=$PATH:/opt/jdk1.8.0_101/bin:/opt/jdk1.8.0_101/jre/bin
export HADOOP_HOME=/opt/hadoop
export HADOOP_INSTALL=$HADOOP_HOME
export HADOOP_MAPRED_HOME=$HADOOP_HOME
export HADOOP_COMMON_HOME=$HADOOP_HOME
export HADOOP_HDFS_HOME=$HADOOP_HOME
export YARN_HOME=$HADOOP_HOME
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export PATH=$PATH:$HADOOP_HOME/sbin:$HADOOP_HOME/bin
Jan 12, 2019 in Big Data Hadoop by digger
• 26,740 points
1,844 views
Can you share the property files?

1 answer to this question.

0 votes

Check your /etc/hosts file, the format should be like this:

127.0.0.1       localhost localhost
192.168.10.11   abc.com   abc
192.168.10.12   xyz.com   xyz

And check your machine hostname and use the right hostname in the properties file.

answered Jan 12, 2019 by Omkar
• 69,210 points

Related Questions In Big Data Hadoop

0 votes
1 answer
0 votes
1 answer

Format HDFS Namenode Error: Could not find or load main class ”-Djava.library.path=.home.hadoop.hadoop-3.2.1.lib.native”

Hi@fwood, According to your configuration, you didn't set ...READ MORE

answered Jun 12, 2020 in Big Data Hadoop by MD
• 95,440 points
10,088 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
10,559 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

org.apache.hadoop.mapred is the Old API  org.apache.hadoop.mapreduce is the ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
2,185 views
+2 votes
11 answers

hadoop fs -put command?

Hi, You can create one directory in HDFS ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by nitinrawat895
• 11,380 points
104,217 views
–1 vote
1 answer

Hadoop dfs -ls command?

In your case there is no difference ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by kurt_cobain
• 9,390 points
4,260 views
0 votes
1 answer

Hadoop: Format namenode gives error: Shutting down NameNode at java.net.UnknownHostException

UnknownHostException is thrown when hadoop tries to resolve ...READ MORE

answered Nov 12, 2018 in Big Data Hadoop by Omkar
• 69,210 points
5,281 views
0 votes
1 answer

Hadoop: namenode -format error "java.io.IOException"

Run the command as sudo or add the ...READ MORE

answered Nov 26, 2018 in Big Data Hadoop by Omkar
• 69,210 points
3,070 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP