General Technical Frequently Asked Questions

Cannot validate serde: com.cloudera.hive.serde.JSONSerDe
It seems that the jar which you have added in not the correct one. I have attached the jar at the end of this mail.Please download and add it. ...
Mon, 18 Apr, 2016 at 6:29 AM
Hbase Assignment Solution
Please start the hbase in your cloudera by using the below steps: sudo su cd /usr/lib/hbase/bin sh start-hbase.sh Install eclipse and ope...
Wed, 30 Mar, 2016 at 12:23 PM
How to leave safemode
Please use below to command to leave from the safe mode bin/hadoop dfsadmin -safemode leave  After that execute any command in hive and let us know ...
Wed, 30 Mar, 2016 at 12:24 PM
Can not find URI in Eclipse
To resolve the issue delete .lock file under  workspace/.metadata/ and re-import the project using below steps Inside package explorer, ...
Sat, 16 Apr, 2016 at 1:17 PM
Cloudera Developer certificate vs HDP Developer
Cloudera is one of the top Hadoop certification vendor providing companies. Most of our learner go with the Cloudera. Cloudera is the more popu...
Sat, 16 Apr, 2016 at 1:17 PM
Hive query to mapreduce code
If I want to check how the hive query converted into mapreduce code, where can i check corresponding map reduce code  for the hive query ex...
Mon, 11 Apr, 2016 at 4:50 PM
Sorted key value in HBase
Regards, Abhishek Tiwari edureka! Support Team On Mon, 11 Apr at 6:26 PM , Hadoop at ...
Mon, 11 Apr, 2016 at 6:28 PM
Java.lang.runtimeexception error in configuring object hive
The possible reason for getting the error could be absence of jars in the lib folder of hadoop and hive. You can manually add...
Mon, 11 Apr, 2016 at 8:42 PM
Hfile path in HBase
In below screen shot I have create custome table in HBase and output direcotry out999. Also answer to your second query, we have not ...
Mon, 11 Apr, 2016 at 9:07 PM
unstructured data before Hadoop
Dear Priti, Hope you are doing well. Relational databases and data warehouses, have been the primary way businesses and organiz...
Mon, 18 Apr, 2016 at 4:59 PM