[solved] It is due to permission issue.
On Wed, Nov 13, 2013 at 11:27 PM, Rahul Bhattacharjee < [email protected]> wrote: > If you have a map only job , then the output of the mappers would be > written by hadoop itself. > > thanks, > Rahul > > > On Wed, Nov 13, 2013 at 9:50 AM, Sahil Agarwal <[email protected]>wrote: > >> I’m not sure if it’s best way, but if all you’re looking for is the >> contents produced from the mapper, you could have a reducer function that >> just returns the data from the mapper unmodified. >> >> -Sahil >> >> From: unmesha sreeveni <[email protected]> >> Reply-To: "[email protected]" <[email protected]> >> Date: Tuesday, November 12, 2013 at 9:51 PM >> To: User Hadoop <[email protected]> >> Subject: How to write the contents from mapper into file >> >> How to write the contents of mapper into file. Is this fine. >> >> If my inputfile is splited whether my blw code works? >> >> In reducer i am combining this data. >> >> >> public class MyMapper extends >> Mapper<Object, Text, Text, MatrixWritable > { >> public void map(Object key, Text value, Context context) >> throws IOException, InterruptedException { >> Configuration conf = new Configuration(); >> FileSystem fs = FileSystem.get(conf); >> >> Path inputfile = new Path("in/map"); >> BufferedWriter getdatabuffer = new BufferedWriter(new >> OutputStreamWriter(fs.create(inputfile))); >> if(value.toString()!= null){ >> getdatabuffer.write(value.toString()); >> } >> getdatabuffer.close(); >> >> -- >> *Thanks & Regards* >> >> Unmesha Sreeveni U.B >> >> *Junior Developer * >> >> >> >> --------------------------------------------------------------------------------- >> The information transmitted in this email is intended only for the person or >> entity to which it is addressed, and may contain material confidential to >> Xoom Corporation, and/or its subsidiary, buyindiaonline.com Inc. Any >> review, retransmission, dissemination or other use of, or taking of any >> action in reliance upon, this information by persons or entities other than >> the intended recipient(s) is prohibited. If you received this email in >> error, please contact the sender and delete the material from your files. >> >> > -- *Thanks & Regards* Unmesha Sreeveni U.B *Junior Developer*
