hadoop - chainReducer notworking -


i used map1->reduce1->map2 sequence, not able map2 output. instead, reduce1 output. here driver code:

public static void main(string[] args) throws exception  {       configuration conf = new configuration();     conf.set("mapred.textoutputformat.separator",":");        job job = job.getinstance(conf, "lsh1");      configuration mymapper = new configuration(false);     chainmapper.addmapper(job, mymapper.class, longwritable.class,text.class,longwritable.class, text.class, mymapper);      configuration reduceconf = new configuration(true);       chainreducer.setreducer(job, reducer1.class, text.class, longwritable.class,text.class,longwritable.class, reduceconf);     configuration reducer2 =new configuration(false);     chainreducer.addmapper(job, reducer2.class, text.class, longwritable.class,text.class, longwritable.class, reducer2);`     fileinputformat.addinputpath(job, new path(args[0]));     fileoutputformat.setoutputpath(job, new path(args[1]));`      system.exit(job.waitforcompletion(true) ? 0 : 1);}}

can please me?


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