Unanswered questions in Big Data Hadoop

+1 vote
0 answers

Hadoop Mapreduce : Null Pointer Exception

While running the below program, I got ...READ MORE

1 day ago in Big Data Hadoop by Tarun
• 160 points
6 views
+2 votes
0 answers
+1 vote
0 answers

Oozie filter all coordinator jobs based on nominalTime

Hi Edureka team. I would like to ...READ MORE

Nov 11 in Big Data Hadoop by Thayanban
• 130 points
57 views
0 votes
0 answers

Sqoop could not load db driver class

I am trying to connect postgres with ...READ MORE

Oct 25 in Big Data Hadoop by Ritu
• 120 points

edited Oct 25 by Ritu 70 views
+1 vote
0 answers

Class not found exception in wordcount program in mapreduce

import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import java.io.IOException; import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat; import org.apache.hadoop.mapreduce.*; import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; import ...READ MORE

Oct 3 in Big Data Hadoop by Tarun
• 160 points

edited Oct 3 by Omkar 93 views
+1 vote
0 answers

Missing Service request

Hello All, need assistance on one issue. ...READ MORE

Sep 17 in Big Data Hadoop by Hemanth
• 240 points
36 views
+1 vote
0 answers

Directory not found while using java -classpath

I'm using command java -classpath  ${HADOOP_CLASSPATH} -d '/home/shravanth/Desktop/wordcount/classes' ...READ MORE

Sep 14 in Big Data Hadoop by shravanth
33 views
+1 vote
0 answers

hdfs namenode -format not working, not showing anything.

can someone help me with this please, ...READ MORE

Sep 6 in Big Data Hadoop by nar
42 views
+3 votes
0 answers

How to handle Sqoop failure program and restart the job from failed tables?

When running a Sqoop jobs on a ...READ MORE

Aug 29 in Big Data Hadoop by Kunal
• 150 points

edited Sep 5 by Kunal 194 views
0 votes
0 answers

Cloudera Certification

Hi, I want to write CCA-175 (CCA Spark ...READ MORE

Aug 23 in Big Data Hadoop by Nagajyothi
• 160 points
44 views
0 votes
0 answers

HIve query data dates issue

Hello All, I am facing one issue, my ...READ MORE

Aug 21 in Big Data Hadoop by anonymous

edited Aug 22 by Omkar 58 views
0 votes
0 answers
+1 vote
0 answers

Output of dump command has empty records

this is my input file output_pig_group_education_comma/input_load.txt and its ...READ MORE

Aug 10 in Big Data Hadoop by Manju Bhargavi
48 views
0 votes
0 answers

ava.sql.SQLException: Error while processing statement:

Hi everyone, I am facing one issue ...READ MORE

Aug 7 in Big Data Hadoop by Hemanth
• 240 points

edited Aug 7 by Omkar 98 views
0 votes
0 answers

Job failed as tasks failed. failedMaps

Hello All, I am new to hadoop, i ...READ MORE

Aug 1 in Big Data Hadoop by Hemanth
• 240 points

edited Aug 1 by Omkar 386 views
0 votes
0 answers

Sqoop exclude tables

How to exclude tables in sqoop if ...READ MORE

Jul 25 in Big Data Hadoop by Will
27 views
0 votes
0 answers

pattern mapreduce

i need to write some mapreduce pattern ...READ MORE

Jul 23 in Big Data Hadoop by tiza
40 views
0 votes
0 answers

what are the commonly used Spark ecosystem?

Can someone mention what are the commonly ...READ MORE

Jul 1 in Big Data Hadoop by ranjan
27 views
0 votes
0 answers

Can I run Hadoop with Docker for both DEV and PROD environments?

Is there an easiest way that works ...READ MORE

Jun 26 in Big Data Hadoop by nitinrawat895
• 10,760 points
18 views
0 votes
0 answers

Hive data load error

I have table in hive with below ...READ MORE

Jun 19 in Big Data Hadoop by Rishi
20 views
0 votes
0 answers

Command to initiate MapReduce which provide decent UI?

I am new to MapReduce and want ...READ MORE

Jun 14 in Big Data Hadoop by Rachna
33 views
0 votes
0 answers

why do we need MaPReduce in BigData Hadoop?

What is the need of MapReduce in ...READ MORE

Jun 3 in Big Data Hadoop by Rajnish
40 views
0 votes
0 answers

How to run WebHCat using Hive?

How can I run WebHCat using hive ...READ MORE

May 17 in Big Data Hadoop by Rishi
32 views
0 votes
0 answers

Explain to me the HUE.

I am kind of new to Big-Data ...READ MORE

May 16 in Big Data Hadoop by nitinrawat895
• 10,760 points
32 views
0 votes
0 answers

What is the motivation behind developing Hive?

Hey, I am learning Hive in a basic ...READ MORE

May 8 in Big Data Hadoop by dyna
27 views
0 votes
0 answers

How run wordcount on multi node hadoop using eclipse?

Apr 24 in Big Data Hadoop by حسين
• 200 points

recategorized Apr 24 by Omkar 56 views
0 votes
0 answers

Why we use 'help' command in Hadoop Sqoop?

Use of help command in Hadoop sqoop. READ MORE

Apr 11 in Big Data Hadoop by amrita
39 views
0 votes
0 answers

hey,can you help me

I am install hadoop and runing program ...READ MORE

Apr 11 in Big Data Hadoop by faris
41 views
0 votes
0 answers

Nutch with hadoop 2.7 error "GC overhead limit exceeded"

I have a small cluster of 5 ...READ MORE

Apr 10 in Big Data Hadoop by Hafiz
• 170 points
116 views
0 votes
0 answers

How to import Flat files in Hadoop using sqoop?

It is possible to import data between ...READ MORE

Apr 9 in Big Data Hadoop by Gitika
• 25,420 points
74 views
0 votes
0 answers

What are Hadoop daemons? What are their live examples?

First of all why Hadoop daemon are ...READ MORE

Apr 4 in Big Data Hadoop by rashmi
114 views
0 votes
0 answers

Difference between Name node and Secondary Name node

Explain to me the difference between the ...READ MORE

Mar 26 in Big Data Hadoop by nitinrawat895
• 10,760 points
30 views
0 votes
0 answers

How Pig programming gets converted into MapReduce jobs?

Could you please give me a brief ...READ MORE

Feb 21 in Big Data Hadoop by Neha
• 6,280 points
25 views
0 votes
0 answers
0 votes
0 answers

wordcount example not running on edureka vm

Hi, wordcount example failing on edureka vm(VM is ...READ MORE

Dec 25, 2018 in Big Data Hadoop by PRASAD
• 120 points
67 views
0 votes
0 answers

Number of tasks submitted and executed within the day in hadoop

Tasks Write a software application, service, daemon or ...READ MORE

Dec 11, 2018 in Big Data Hadoop by Irfan
• 120 points
41 views
0 votes
0 answers

Is the Hadoop scalability linear or proportional to number of nodes?

Is it common to see this sentence: ...READ MORE

Nov 27, 2018 in Big Data Hadoop by Jins
• 140 points
177 views
+1 vote
0 answers

How to set up Hadoop cluster on Mac in intelliJ IDEA

I have Installed hadoop using brew and ...READ MORE

Jul 25, 2018 in Big Data Hadoop by Neha
• 6,280 points
162 views
0 votes
0 answers

Error running hadoop mapreduce in Python using Hadoop Streaming

I was trying a sample mapredyce code ...READ MORE

Apr 2, 2018 in Big Data Hadoop by nitinrawat895
• 10,760 points
188 views
0 votes
0 answers

Docker: Access a service on host from a container

Mar 26, 2018 in Big Data Hadoop by shubham
• 6,890 points
35 views
0 votes
0 answers

How to run Hadoop in Docker containers?

I want to incorporate Hadoop in Docker ...READ MORE

Mar 16, 2018 in Big Data Hadoop by nitinrawat895
• 10,760 points
101 views