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Type mismatch error
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Hi All, I am a beginner of Hadoop. I modified the Inverted Index Code in Yahoo's Tutorial (http://developer.yahoo.com/hado but I always get errors of "java.io.IOException: Type mismatch in key from…
Tagged: LongWritable, missmatch, type
Started this discussion. Last reply by Zhiqiang Ma Feb 8.
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I figured out the problem already. Thanks
Unless you explicitly set it, you will get TextInputFormat for your inputformat, the keys are LongWritable.
If you want a text key text writable,
job.setInputFormat(KeyValueTextInputFormat.class) in your main.
or change the key that your mapper t…
Hi All,
I am a beginner of Hadoop. I modified the Inverted Index Code in Yahoo's
Tutorial
(http://developer.yahoo.com/hadoop/tutorial/module4.html#solution), but
I always get errors of "java.io.IOException: Type mismatch in key from
map: expected…
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