Hadoop mapreduce error apache hadoop mapred FileAlreadyExistsException Output directory

0 votes

I am trying to run this command: 

hadoop jar hadoop-examples-1.0.4.jar wordcount /home/hadoop/support/ /home/hadoop/support-new

I am getting this error:

04/12/18 06:02:10 INFO mapred.JobClient: Cleaning up the staging area    

hdfs://localhost:54310/home/hadoop/tmp/mapred/staging/hadoop/.staging/job_201304180554_0001      

04/12/18 06:02:10 ERROR security.UserGroupInformation: PriviledgedActionException       

as:hadoop cause:org.apache.hadoop.mapred.FileAlreadyExistsException: Output directory

/home/hadoop/support-new already exists

org.apache.hadoop.mapred.FileAlreadyExistsException: Output directory

/home/hadoop/support-new already exists at


org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.checkOutputSpecs(FileOutputFormat.j

ava:137) at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:887) at

org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850) at

java.security.AccessController.doPrivileged(Native Method) at

javax.security.auth.Subject.doAs(Subject.java:416) at

org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121) at  

org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850) at 

org.apache.hadoop.mapreduce.Job.submit(Job.java:500) at 

org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:530) at

org.apache.hadoop.examples.WordCount.main(WordCount.java:67) at

sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at

sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:616) at

org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)

at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) at

org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:64) at

sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at

sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:616) at  

org.apache.hadoop.util.RunJar.main(RunJar.java:156) hadoop@master:~/hadoop$ bin/stop-

all.sh Warning: $HADOOP_HOME is deprecated. stopping jobtracker localhost: stopping  

tasktracker stopping namenode localhost: stopping datanode localhost: stopping

secondarynamenode    hadoop@master:~/hadoop$

How to solve this?

Dec 5, 2018 in Big Data Hadoop by digger
• 26,740 points
2,553 views

1 answer to this question.

0 votes
Seems like the output file already exists. Delete it and try again.
answered Dec 5, 2018 by Omkar
• 69,220 points

Related Questions In Big Data Hadoop

0 votes
1 answer

Error running hadoop mapreduce in Python using Hadoop Streaming

Hi As you write mapper and reducer program  ...READ MORE

answered Jan 21, 2020 in Big Data Hadoop by anonymous
2,579 views
0 votes
1 answer

Getting error in Hadoop: Output file already exist

When you executed your code earlier, you ...READ MORE

answered Apr 19, 2018 in Big Data Hadoop by Shubham
• 13,490 points
8,544 views
0 votes
1 answer

Error in Hadoop Mapreduce

The file that you are referring here ...READ MORE

answered Apr 19, 2018 in Big Data Hadoop by Shubham
• 13,490 points
1,173 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
11,065 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
2,566 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
109,010 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
• 9,350 points
4,632 views
0 votes
1 answer

PIG - Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected

Yes, it is a compatibility issue. in Hadoop ...READ MORE

answered Oct 10, 2018 in Big Data Hadoop by Omkar
• 69,220 points
1,099 views
0 votes
1 answer

Hadoop Mapreduce: Error: Could not find or load main class com.sun.tools.javac.Main

You have to add HADOOP_CLASSPATH environment parameter: expor ...READ MORE

answered Oct 30, 2018 in Big Data Hadoop by Omkar
• 69,220 points
3,671 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