Recent questions tagged hadoop

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How to change columname in a dataframe

May 20 in Big Data Hadoop by anonymous
• 130 points • 120 views

+1 vote

1 answer

starting hive gave me exception

May 19 in Big Data Hadoop by Hans
• 130 points • 90 views

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What are the career opportunities after doing Big Data course in India?

May 15 in Career Counselling by akhtar
• 11,250 points • 34 views

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What are good big data courses for freshers?

May 15 in Big Data Hadoop by akhtar
• 11,250 points • 127 views

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What skills are required to be a Hadoop developer?

May 15 in Big Data Hadoop by akhtar
• 11,250 points • 115 views

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Which is the best online Big Data Hadoop course?

May 15 in Big Data Hadoop by akhtar
• 11,250 points • 116 views

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Where can I get best spark tutorials for beginners?

May 14 in Apache Spark by akhtar
• 11,250 points • 73 views

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Is there any alternative for edureka vm ?

May 10 in Big Data Hadoop by preetham
• 120 points • 71 views

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getting error: -bash: syntax error near unexpected token `('

May 5 in Big Data Hadoop by Anjali
• 120 points • 108 views

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

Apr 30 in Big Data Hadoop by akhtar
• 11,250 points • 64 views

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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]

Apr 30 in Big Data Hadoop by akhtar
• 11,250 points • 84 views

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1 answer

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

Apr 30 in Big Data Hadoop by akhtar
• 11,250 points • 68 views

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

Apr 30 in Big Data Hadoop by akhtar
• 11,250 points • 46 views

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1 answer

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

Apr 30 in Big Data Hadoop by akhtar
• 11,250 points • 92 views

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Real time access to data in hadoop

Apr 30 in Big Data Hadoop by anonymous
• 120 points • 29 views

0 votes

1 answer

ERROR thriftserver.SparkExecuteStatementOperation: Error executing query, currentState RUNNING, org.apache.spark.sql.catalyst.errors.package$TreeNodeException

Apr 29 in Apache Spark by akhtar
• 11,250 points • 42 views

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Error: sql.out:Error: org.apache.spark.SparkException: Job aborted due to stage failure: Total size of serialized results of 381610 tasks (4.0 GB) is bigger than spark.driver.maxResultSize (4.0 GB)

Apr 29 in Apache Spark by akhtar
• 11,250 points • 113 views

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1 answer

"java.lang.ClassNotFoundException" in Spark on Amazon EMR

Apr 29 in Apache Spark by akhtar
• 11,250 points • 63 views

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How to create one job in Sqoop?

Apr 29 in Big Data Hadoop by akhtar
• 11,250 points • 78 views

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1 answer

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

Apr 24 in Big Data Hadoop by akhtar
• 11,250 points • 61 views

0 votes

1 answer

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

Apr 23 in Big Data Hadoop by akhtar
• 11,250 points • 54 views

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1 answer

error: Caused by: org.apache.spark.SparkException: Failed to execute user defined function.

Apr 22 in Apache Spark by akhtar
• 11,250 points • 81 views

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1 answer

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

Apr 17 in Big Data Hadoop by akhtar
• 11,250 points • 45 views

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1 answer

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

Apr 17 in Big Data Hadoop by akhtar
• 11,250 points • 65 views

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1 answer

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

Apr 17 in Big Data Hadoop by akhtar
• 11,250 points • 78 views

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1 answer

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

Apr 17 in Big Data Hadoop by akhtar
• 11,250 points • 111 views

0 votes

1 answer

FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask

Apr 17 in Big Data Hadoop by akhtar
• 11,250 points • 310 views

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1 answer

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

Apr 17 in Big Data Hadoop by Hasid
• 370 points • 33 views

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1 answer

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

Apr 17 in Big Data Hadoop by akhtar
• 11,250 points • 36 views

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1 answer

ERROR 1006 (HY000): Can't create database 'test' (errno: 2) in mysql

Apr 14 in Database by akhtar
• 11,250 points • 125 views

+1 vote

1 answer

py4j.protocol.Py4JError: org.apache.spark.api.python.PythonUtils.getEncryptionEnabled does not exist in the JVM

Apr 7 in Apache Spark by akhtar
• 11,250 points • 1,045 views

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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).

Apr 7 in Big Data Hadoop by akhtar
• 11,250 points • 236 views

0 votes

1 answer

How to set pssword based authentication in cassandra?

Apr 1 in Big Data Hadoop by akhtar
• 11,250 points • 33 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.

Apr 1 in Big Data Hadoop by akhtar
• 11,250 points • 119 views

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1 answer

How to create table in cassandra?

Apr 1 in Big Data Hadoop by akhtar
• 11,250 points • 23 views

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1 answer

ConfigurationException: replication_factor is an option for SimpleStrategy, not NetworkTopologyStrategy

Apr 1 in Big Data Hadoop by akhtar
• 11,250 points • 24 views

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1 answer

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

Apr 1 in Big Data Hadoop by akhtar
• 11,250 points • 151 views

0 votes

1 answer

configure Cassendra in Linux system?

Apr 1 in Big Data Hadoop by akhtar
• 11,250 points • 32 views

0 votes

2 answers

How to set properties for secondary namenode in Hadoop?

Mar 31 in Big Data Hadoop by akhtar
• 11,250 points • 62 views

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1 answer

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

Mar 31 in Big Data Hadoop by akhtar
• 11,250 points • 33 views

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1 answer

create table in Hbase using Java API

Mar 31 in Big Data Hadoop by akhtar
• 11,250 points • 94 views

0 votes

1 answer

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

Mar 31 in Big Data Hadoop by akhtar
• 11,250 points • 100 views

0 votes

1 answer

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

Mar 30 in Big Data Hadoop by akhtar
• 11,250 points • 42 views

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1 answer

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

Mar 30 in Big Data Hadoop by akhtar
• 11,250 points • 55 views

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1 answer

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

Mar 30 in Big Data Hadoop by akhtar
• 11,250 points • 155 views

0 votes

1 answer

How do you find an HDFS path URL?

Feb 28 in Big Data Hadoop by akhtar
• 11,250 points • 369 views

+1 vote

1 answer

FileStreamSink: Error while looking for metadata directory. java.lang.IllegalArgumentException: java.net.UnknownHostException: hive

Feb 13 in Big Data Hadoop by akhtar
• 11,250 points • 1,066 views

0 votes

1 answer

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

Feb 13 in Big Data Hadoop by akhtar
• 11,250 points • 296 views

0 votes

1 answer

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

Feb 13 in Big Data Hadoop by akhtar
• 11,250 points • 129 views

+1 vote

1 answer

ERROR 1064 (42000): You have an error in your SQL syntax;check the manual that corresponds to your MySQL server version for the right syntax to use near 'identified by 'Hivepass70@'' at line 1

Feb 13 in Big Data Hadoop by akhtar
• 11,250 points • 1,713 views

Recent questions tagged hadoop

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