Trending questions in Big Data Hadoop

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main" java.io.IOException: Mkdirs failed to create /user/hadoop/name.

Hi@akhtar,  I think you missed to add below property ...READ MORE

Apr 17 in Big Data Hadoop by MD
• 79,850 points
416 views
0 votes
1 answer

SyntaxException: line 1:67 no viable alternative at input ',' (... University with replication={'class':[SimpleStrategy],...)

Hi@akhtar, It is showing syntax error in your ...READ MORE

Apr 1 in Big Data Hadoop by MD
• 79,850 points
1,105 views
0 votes
1 answer

Error mapreduce.Job: Task Id : attempt_1475517800829_0009_m_000000_0, Status : FAILED Error: Java heap space

Hi@Hasid, To avoid this error, you have to ...READ MORE

Apr 17 in Big Data Hadoop by MD
• 79,850 points
409 views
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0 answers

Hi. I keep on encountering the follow error when running conf in flume via flume-ng at line 189. Any possible solutions?

Running FLUME agent :     class: org.apache.flume.node.Application     arguments: -n agent1 ...READ MORE

Apr 22 in Big Data Hadoop by anonymous
• 120 points
147 views
0 votes
1 answer

INFO hdfs.DFSClient: Could not obtain block blk_-from any node: java.io.IOException: No live nodes contain current block

Hi@akhtar, I think your Datanodes are not in ...READ MORE

Apr 17 in Big Data Hadoop by MD
• 79,850 points
306 views
0 votes
1 answer

java.io.IOException: File /user/hadoop/ could only be replicated to 0 nodes, instead of 1

Hi@akhtar, To avoid this error, follow the bellow ...READ MORE

Apr 17 in Big Data Hadoop by MD
• 79,850 points
211 views
0 votes
1 answer

ERROR 2999: Unexpected internal error. Failed to create DataStorage.

Hi@akhtar, I think you didn't set all the ...READ MORE

Apr 17 in Big Data Hadoop by MD
• 79,850 points
165 views
0 votes
1 answer

ERROR: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet!

Hi@akhtar, This error occurs if the hbase server ...READ MORE

Mar 30 in Big Data Hadoop by MD
• 79,850 points
933 views
0 votes
1 answer

How do you find an HDFS path URL?

Hi@akhtar, The Hadoop configuration file is default located ...READ MORE

Feb 28 in Big Data Hadoop by MD
• 79,850 points
2,225 views
0 votes
1 answer

ERROR org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper - ZooKeeper exists failed after 4 attempts

Hi@akhtar, This error shows, Hbase is not able ...READ MORE

Mar 31 in Big Data Hadoop by MD
• 79,850 points
697 views
+2 votes
1 answer
0 votes
2 answers

How to set properties for secondary namenode in Hadoop?

Secondary NameNode in HDFS Secondary NameNode in Hadoop ...READ MORE

Mar 31 in Big Data Hadoop by anonymous
386 views
0 votes
1 answer

while executing this iam getting this error can anyone please help me with the solution please

Hi@srija, It seems you have not provided complete ...READ MORE

Apr 6 in Big Data Hadoop by MD
• 79,850 points
108 views
0 votes
1 answer

create table in Hbase using Java API

Hi@akhtar, You can use the below code to ...READ MORE

Mar 31 in Big Data Hadoop by MD
• 79,850 points
274 views
0 votes
1 answer

Implementation in Hadoop

Hi@pinal, You have already installed hadoop. Now you ...READ MORE

Apr 3 in Big Data Hadoop by MD
• 79,850 points
87 views
0 votes
1 answer

ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: ZooKeeper session expired

Hi@akhtar, To avoid this error you have to ...READ MORE

Mar 31 in Big Data Hadoop by MD
• 79,850 points
180 views
0 votes
1 answer

problem accessing /master-status. Reason: Master is initializing

Hi@akhtar, To avoid this error you have to ...READ MORE

Mar 30 in Big Data Hadoop by MD
• 79,850 points
210 views
0 votes
1 answer

How to set pssword based authentication in cassandra?

Hi@akhtar, You can set password to your cassandra ...READ MORE

Apr 1 in Big Data Hadoop by MD
• 79,850 points
93 views
0 votes
1 answer

configure Cassendra in Linux system?

Hi@akhtar, To install cassandra in your system, follow ...READ MORE

Apr 1 in Big Data Hadoop by MD
• 79,850 points
99 views
0 votes
1 answer

ERROR [main] client.ConnectionManager$HConnectionImplementation: The node /hbase is not in ZooKeeper.

Hi@akhtar, When you try to start hbase server, ...READ MORE

Mar 30 in Big Data Hadoop by MD
• 79,850 points
184 views
0 votes
1 answer

ConfigurationException: replication_factor is an option for SimpleStrategy, not NetworkTopologyStrategy

Hi@akhtar, In cassandra there are two types of ...READ MORE

Apr 1 in Big Data Hadoop by MD
• 79,850 points
90 views
0 votes
1 answer

How to create table in cassandra?

Hi@akhtar, To create table in cassandra, you have ...READ MORE

Apr 1 in Big Data Hadoop by MD
• 79,850 points
60 views
+1 vote
2 answers

Hadoop Learning Path

Hi! Since you have only 6 weeks, it's ...READ MORE

Nov 28, 2019 in Big Data Hadoop by Farheen
429 views
0 votes
13 answers

What is the difference between Hadoop/HDFS & HBase?

HDFS is a distributed file system whereas ...READ MORE

Apr 26, 2019 in Big Data Hadoop by Arihar
• 160 points
21,529 views
0 votes
2 answers

Load data into the hive table

Hi, We can use a normal insert query ...READ MORE

Oct 15 in Big Data Hadoop by MD
• 79,850 points
564 views
0 votes
1 answer

Installing Zookeeper on Windows

Follow the below-mentioned steps to install Zookeeper ...READ MORE

Feb 22, 2019 in Big Data Hadoop by Omkar
• 69,030 points
16,882 views
0 votes
1 answer

HDFS on docker containers - is it possible?

Hi @judy, It is possible to Simplifying Hadoop deployments ...READ MORE

Feb 12 in Big Data Hadoop by Gitika
• 50,540 points
1,474 views
0 votes
1 answer

Error: FUNCTION 'NUCLEUS_ASCII' already exists.

Hi@akhtar, This error occurs when hive-shell started before ...READ MORE

Feb 5 in Big Data Hadoop by MD
• 79,850 points
1,604 views
0 votes
1 answer

apache.spark.sql.AnalysisException: Text data source does not support int data type.;

Hi@akhtar, I think your output is in different ...READ MORE

Feb 13 in Big Data Hadoop by MD
• 79,850 points
1,067 views
0 votes
1 answer

can we store hive output in hadoop hdfs

Hi, You can save your hive output to ...READ MORE

Feb 24 in Big Data Hadoop by MD
• 79,850 points
507 views
0 votes
0 answers

HIve sql multiple conditions in where cluase

Hi, My table has created_date, changed_date in datetime ...READ MORE

Feb 12 in Big Data Hadoop by syam
• 120 points

edited Feb 12 by Gitika 631 views
0 votes
3 answers

JDBC connection string for Netezza

HI.. Netezza is one of the widely used ...READ MORE

Oct 30 in Big Data Hadoop by SRI
265 views
0 votes
2 answers

Limit the maximum number of dynamic partitions in Hive

if you are already on hive shell ...READ MORE

Jul 23 in Big Data Hadoop by Shantanu
• 190 points
2,713 views
0 votes
1 answer

What is ETL tool in Hadoop?

Hi@akhtar, ETL means extract, transform, load. It is ...READ MORE

Feb 2 in Big Data Hadoop by MD
• 79,850 points
824 views
0 votes
1 answer

SOURCE $HIVE_HOME/scripts/metastore/upgrade/mysql/hive-schema-0.14.0.mysql.sql; ERROR:

Hi@akhtar, I think mysql is not able to ...READ MORE

Feb 13 in Big Data Hadoop by MD
• 79,850 points
304 views
0 votes
1 answer

ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

Hi@akhtar, Before setting password in mysql, check the ...READ MORE

Feb 13 in Big Data Hadoop by MD
• 79,850 points
199 views
0 votes
0 answers

Sentry: Grant role is getting error, while executing

Hi, Sentry: I am trying to grant a ...READ MORE

Feb 13 in Big Data Hadoop by Mahboob
• 140 points
206 views
0 votes
9 answers

Is there any way to check which Hadoop daemons are running?

use jps command, It will show all the running ...READ MORE

Dec 27, 2018 in Big Data Hadoop by Rakesh
• 160 points
21,021 views
0 votes
0 answers

Grant role is getting error, while executing

Hi, I am trying to grant a role ...READ MORE

Feb 13 in Big Data Hadoop by Mahboob
• 140 points
193 views
0 votes
1 answer

org.datanucleus.store.rdbms.exceptions.MissingTableException: Required table missing : "DBS" in Catalog "" Schema "".

Hi@akhtar, Here you have to add the below  ...READ MORE

Feb 5 in Big Data Hadoop by MD
• 79,850 points
501 views
0 votes
1 answer

Exception in thread "main" java.lang.RuntimeException: Hive metastore database is not initialized.

Hi@akhtar, In this scenario, first you check if ...READ MORE

Feb 5 in Big Data Hadoop by MD
• 79,850 points
255 views
+1 vote
1 answer

Does sqoop 1.4.6 version on HDP 2.6.4 support SSL

Hi, Is your "JDBC location" string connect?  If ...READ MORE

Jan 29 in Big Data Hadoop by Roshan
288 views
+1 vote
1 answer

Streaming facebook data using Flume framework!!!

Hi You can find the facebook 'API' from ...READ MORE

Jan 21 in Big Data Hadoop by anonymous
459 views
+1 vote
1 answer

About Available Space Block Placement Policy

Hi, We know, In HDFS data is divided into ...READ MORE

Jan 29 in Big Data Hadoop by MD
• 79,850 points
189 views
+1 vote
1 answer

Information Unavailable:Running jps command in Hadoop

Hi, I think this is because the process ...READ MORE

Jan 21 in Big Data Hadoop by anonymous
262 views
+1 vote
1 answer

what is splunk?

Splunk is a software platform to search, ...READ MORE

Jan 24 in Big Data Hadoop by Vardhan
99 views
+1 vote
2 answers

How to find previous records from a data set in Pig??

Hi, You can use ToDate() and SubtractDuration() function ...READ MORE

Jan 23 in Big Data Hadoop by MD
• 79,850 points
167 views