[MAPREDUCE-5057] Datajoin Package for reduce side join (in contrib folder) MRJobCOnfig class not present hadoop 1.0.3

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 1.0.3
• Component/s: contrib/data-join
• Tags: datajoin , reduce side join
• Assignee: Vikas Jadhav
• Reporter: Vikas Jadhav
• Created: 11/Mar/13 17:55
• Updated: 12/Mar/13 06:30
• Resolved: 11/Mar/13 18:05

Description

DataJoin Package contributed to Hadoop has bug
1) MRJobConfig config is not present and will not return input file
name (MRJobConfig.MAP_INPUT_FILE)

2 ) While Writing User program for joinig datasets using datajoin package
In TaggedWritable class you will find readFields method will throw exception
for that matter you will have to create new Text type object for reading beacause while writing
you are writing Text object

Taxt data;

public void readFields(DataInput in) throws IOException {
data = new Text();
this.tag.readFields(in);
if(this.data != null)

{ data.readFields(in); }

}