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From James Hammerton <james.hammer...@mendeley.com>
Subject Unable to read sequence file produced by MR job
Date Thu, 27 May 2010 18:07:09 GMT

I tried using the "hadoop fs -text" command to read a sequence file
generated by a map reduce job and got the following error:

text: java.io.IOException: WritableName can't load class:

The ShortDocWritables is a Writable I created myself and the sequencefile
contains these objects. How do I tell this command where to find the class?

There was no trouble at all running the map reduce job that produced the


James Hammerton | Senior Data Mining Engineer

Mendeley Limited | London, UK | www.mendeley.com
Registered in England and Wales | Company Number 6419015

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