General Technical Frequently Asked Questions

"Host "192.168.56.101" is not allowed to connect to this MySQL server"
Please Follow the Below Steps to resolve this issue: Step 1 mysql -u root -p Enter password: mysql>use mysql mysql>GRANT ALL ON *....
Sat, 19 Mar, 2016 at 1:04 PM
MySQL in Edureka VM
Dear Learner, Hope you are doing well. We would like to inform you that MySQL is already present in Edureka VM. Plea...
Sat, 19 Mar, 2016 at 1:04 PM
ORA-00942: table or view does not exist
Dear Learner, Hope you are doing good. The possible reason of the error is that you tried to execute a SQL statement that refer...
Sat, 19 Mar, 2016 at 1:11 PM
Difference between copyFromLocal and Put
copyFromLocal is similar to put command, except that the source is restricted to a local file reference. So, basically you can do w...
Wed, 20 Apr, 2016 at 2:33 PM
download link for hadoop
Please refer below link to download hadoop package http://a.mbbsindia.com/hadoop/common/ // OR http://hadoop.apache...
Sat, 2 Apr, 2016 at 1:02 PM
Empty string
For the issue that you are facing you can specify condition in your MapReduce for the empty string. if(str != null && !str...
Sat, 2 Apr, 2016 at 1:24 PM
View submitted Assignments
You can view all your submitted assignment and question in Community -> Forum   Please refer below screen shot ...
Mon, 18 Apr, 2016 at 5:20 PM
IncompatibleClassChangeError
From the error that you are getting it seems you have included the wrong jars to your program. IncompatibleClassChangeError occurs du...
Mon, 18 Apr, 2016 at 5:19 PM
Best practice of logging in map-reduce batch process
There is a log file generated in /usr/lib/hadoop-2.2.0/logs directory for each job . so alternatively you can collect log through ...
Mon, 18 Apr, 2016 at 5:19 PM
Load array in hive table
For loading array into table please specify different delimiter other than "," so that hive can differentiate delimiter of colum...
Sun, 3 Apr, 2016 at 1:44 PM