Pig code in Eclipse shows error LongWritable cannot be resolved to a type

Question

I am getting the below errors on many lines in eclipse. Please assist

Multiple markers at this line
- LongWritable cannot beresolved 
to a type
- Mapper cannot be resolved to a 
type
- Text cannot be resolved to a type
- Text cannot be resolved to a type
- Text cannot be resolved to a type

Answer 1

To rectify this errors, you need to import the respective packages. Add the below statements in your program and the errors will be resolved,

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;