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NullPointerException when trying to write mapper output - MapReduce - [mail # user]
...I am using hadoop 1.0.3 at Amazon EMR. I have a map / reduce job configured like this:  private static final String TEMP_PATH_PREFIX  System.getProperty("java.io.tmpdir") + "/dmp_p...
   Author: Marcelo Elias Del Valle, 2013-10-24, 17:19
[expand - 5 more] - Re: number of mapper tasks - MapReduce - [mail # user]
...Hello,      I have been able to make this work. I don't know why, but when but input file is zipped (read as a input stream) it creates only 1 mapper. However, when it's not z...
   Author: Marcelo Elias Del Valle, 2013-01-29, 12:53
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