David, This was discussed here: http://www.mail-archive.com/mapreduce-...@hadoop.apache.org/msg01833.html. The reason is basically to give users more time to move to the new API. The old API will be marked as deprecated in 0.22.0.
Cheers, Tom On Wed, Sep 22, 2010 at 10:53 AM, David Rosenstrauch <dar...@darose.net> wrote: > Hmmm. Any idea as to why the undeprecation? I thought the intention was to > try to move everybody to the new API. Why the reversal? > > Thanks, > > DR > > On 09/22/2010 12:29 PM, Tom White wrote: >> >> Note that JobClient, along with the rest of the "old" API in >> org.apache.hadoop.mapred, has been undeprecated in Hadoop 0.21.0 so >> you can continue to use it without warnings. >> >> Tom >> >> On Wed, Sep 22, 2010 at 2:43 AM, Amareshwari Sri Ramadasu >> <amar...@yahoo-inc.com> wrote: >>> >>> In 0.21, JobClient methods are available in >>> org.apache.hadoop.mapreduce.Job >>> and org.apache.hadoop.mapreduce.Cluster classes. >>> >>> On 9/22/10 3:07 PM, "Martin Becker"<_martinbec...@web.de> wrote: >>> >>> Hello, >>> >>> I am using the Hadoop MapReduce version 0.20.2 and soon 0.21. >>> I wanted to use the JobClient class to circumvent the use of the command >>> line interface. >>> I am noticed that JobClient still uses the deprecated JobConf class for >>> jib submissions. >>> Are there any alternatives to JobClient not using the deprecated JobConf >>> class? >>> >>> Thanks in advance, >>> Martin >
