Use @Override to specify that you indeed override the good methods. Bertrand
On Mon, Oct 28, 2013 at 11:30 AM, Mirko Kämpf <[email protected]>wrote: > Hi, > > you should create a custom data type, which contains two of the > DoubleArrayWritable instances. This custom data type idea is also > explained here: > http://my.safaribooksonline.com/book/-/9781849517287/4dot-developing-complex-hadoop-mapreduce-applications/ch04s03_html > > Good luck. > Mirko > > > > 2013/10/28 unmesha sreeveni <[email protected]> > >> >> http://stackoverflow.com/questions/19602692/java-lang-classcastexception-in-hadoop-mapreduce >> >> I tried out, but it is not working. >> >> I was able to emit 1 2D array..but When i cross checked once more, i am >> not able to print the matrix(2D array) in reducer. >> >> Can anyone suggest me a gud way to emit 2 Matrices from mapper. >> >> >> >> -- >> *Thanks & Regards* >> * >> * >> Unmesha Sreeveni U.B* >> * >> *Junior Developer >> * >> *Amrita Center For Cyber Security >> * >> * >> Amritapuri. >> >> www.amrita.edu/cyber/ >> * >> > > -- Bertrand Dechoux
