Most voted questions in Big Data Hadoop

0 votes
1 answer

Error: Couldn't properly initialize access to HDFS internals. Please update your WAL Provider to not make use of the 'asyncfs' provider.

Hi@akhtar, I think you are trying to use AsyncFSWAL for HBase-2.x as ...READ MORE

Apr 30, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,325 views
0 votes
1 answer

Exception in createBlockOutputStream java.net.SocketTimeoutException: 69000 millis timeout while waiting for channel to be ready for connect.[connection-pending remote=/ xxx:50010]

Hi@akhtar, This type of error indicates a write ...READ MORE

Apr 30, 2020 in Big Data Hadoop by MD
 • 95,440 points • 2,298 views
0 votes
1 answer

java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView

Hi@akhtar, I think there is a problem in ...READ MORE

Apr 30, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,535 views
0 votes
1 answer

kernel: java: page allocation failure. order:4, mode:0x20

Hi@akhtar, You may got this error because of ...READ MORE

Apr 30, 2020 in Big Data Hadoop by MD
 • 95,440 points • 949 views
0 votes
1 answer

ERROR [main] client.HConnectionManager$HConnectionImplementation: Can't get connection to ZooKeeper: KeeperErrorCode = ConnectionLoss for /hbase ERROR: KeeperErrorCode = ConnectionLoss for /hbase

Hi@akhtar, Before starting Hbase Shell, make sure you ...READ MORE

Apr 30, 2020 in Big Data Hadoop by MD
 • 95,440 points • 2,349 views
0 votes
0 answers

Real time access to data in hadoop

We need to store customer billing data ...READ MORE

Apr 30, 2020 in Big Data Hadoop by anonymous
 • 120 points • 819 views
0 votes
1 answer

How to create one job in Sqoop?

Hi@akhtar, You can create one job for future ...READ MORE

Apr 29, 2020 in Big Data Hadoop by MD
 • 95,440 points • 717 views
0 votes
1 answer

Distcp From Local to HDFS giving error file not found

Hey, @Amey, This is probably because of a ...READ MORE

Apr 29, 2020 in Big Data Hadoop by Gitika
 • 65,910 points • 1,812 views
0 votes
1 answer

ERROR tool.BaseSqoopTool: Got error creating database manager: java.io.IOException: No manager for connect string

Hi@akhtar, I think your jdbc jars are not ...READ MORE

Apr 24, 2020 in Big Data Hadoop by MD
 • 95,440 points • 2,594 views
0 votes
1 answer

error:org.apache.flume.sink.hdfs.HDFSEventSink.process(HDFSEventSink.java:456)] HDFS IO error java.io.IOException

Hi@akhtar, There may be problem in firewall, so ...READ MORE

Apr 23, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,521 views
0 votes
1 answer

ERROR node.Application: A fatal error occurred while running. Exception follows. org.apache.commons.cli.MissingOptionException: Missing required option: n

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

Apr 23, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,307 views
0 votes
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 23, 2020 in Big Data Hadoop by anonymous
 • 120 points • 1,088 views
0 votes
1 answer

Error while starting the daemon process in windows 10

Hi@Arun, By default, the parameter "dfs.datanode.failed.volumes.tolerated" is set ...READ MORE

Apr 20, 2020 in Big Data Hadoop by MD
 • 95,440 points • 7,939 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,206 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 2,100 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,105 views
0 votes
1 answer

exception:org.apache.hadoop.security.AccessControlException Permission denied: user=test, access=WRITE, inode="/user/hive/warehouse/test"

Hi@akhtar, According to your error, it shows you ...READ MORE

Apr 17, 2020 in Big Data Hadoop by MD
 • 95,440 points • 3,300 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 2,664 views
0 votes
1 answer

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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 2,186 views
0 votes
1 answer

org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /try.txt._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1).

Hi@akhtar, This error may occur if your datanode ...READ MORE

Apr 7, 2020 in Big Data Hadoop by MD
 • 95,440 points • 7,227 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 452 views
0 votes
1 answer

Implementation in Hadoop

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

Apr 3, 2020 in Big Data Hadoop by MD
 • 95,440 points • 329 views
0 votes
1 answer

8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused

Hi@Bhavesh,  You got connection refused. So, there may ...READ MORE

Apr 2, 2020 in Big Data Hadoop by MD
 • 95,440 points • 12,776 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 446 views
0 votes
1 answer

InvalidRequest: Error from server: code=2200 [Invalid query] message="Cannot execute this query as it might involve data filtering and thus may have unpredictable performance.

Hi@akhtar, You are trying to filter data from ...READ MORE

Apr 1, 2020 in Big Data Hadoop by MD
 • 95,440 points • 7,727 views
0 votes
1 answer

How to create table in cassandra?

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

Apr 1, 2020 in Big Data Hadoop by MD
 • 95,440 points • 399 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 897 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 6,440 views
0 votes
1 answer

nodetool: Failed to connect to '127.0.0.1:7199' - ConnectException: 'Connection refused (Connection refused)'.

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

Apr 1, 2020 in Big Data Hadoop by MD
 • 95,440 points • 16,470 views
0 votes
1 answer

configure Cassendra in Linux system?

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

Apr 1, 2020 in Big Data Hadoop by MD
 • 95,440 points • 599 views
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, 2020 in Big Data Hadoop by anonymous
 • 3,654 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,612 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,374 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 3,405 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,270 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 987 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 4,898 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 18,984 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 2,144 views
0 votes
0 answers

Grant role is getting error, while executing

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

Feb 14, 2020 in Big Data Hadoop by Mahboob
 • 140 points • 628 views
0 votes
0 answers

Sentry: Grant role is getting error, while executing

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

Feb 14, 2020 in Big Data Hadoop by Mahboob
 • 140 points • 761 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 5,452 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 1,245 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 902 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, 2020 in Big Data Hadoop by syam
 • 120 points
edited Feb 12, 2020 by Gitika • 2,223 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, 2020 in Big Data Hadoop by Gitika
 • 65,910 points • 2,635 views
0 votes
1 answer

how to make an existing hadoop cluster self adaptive?

Hey, @Sanjana, You can't shrink or expand nodes ...READ MORE

Jul 16, 2020 in Big Data Hadoop by Gitika
 • 65,910 points • 523 views
0 votes
1 answer

Exception in thread "main" java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative path in absolute URI: ${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D

Hi@akhtar, Here you have add the following properties ...READ MORE

Feb 5, 2020 in Big Data Hadoop by MD
 • 95,440 points • 8,101 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 2,381 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, 2020 in Big Data Hadoop by MD
 • 95,440 points • 8,695 views
Page:

Most popular tags

"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.