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https://issues.apache.org/jira/browse/MAPREDUCE-5057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vikas Jadhav updated MAPREDUCE-5057:
------------------------------------
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);
}
}
was:
DataJoin Package contributed to Hadoop has bug
1) MRJobConfig config is not present and will not return input file
name (MRJobConfig.MAP_INPUT_FILE)
> Datajoin Package for reduce side join (in contrib folder) MRJobCOnfig class
> not present hadoop 1.0.3
> ----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5057
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5057
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/data-join
> Affects Versions: 1.0.3
> Reporter: Vikas Jadhav
> Assignee: Vikas Jadhav
> Priority: Trivial
> Attachments: DataJoinMapperBase.java
>
>
> 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);
> }
> }
>
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