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The following page has been changed by masukomi: http://wiki.apache.org/lucene-hadoop/QuickStart ------------------------------------------------------------------------------ ...(and so on) }}} - If you saw the error `Exception in thread "main" java.lang.NoClassDefFoundError: build/hadoop-0/15/0-dev-examples/jar` it means you forgot to type `jar` after `bin/hadoop` If you were unable to run this example, roll back to a previous night's version. + If you saw the error `Exception in thread "main" java.lang.NoClassDefFoundError: build/hadoop-0/15/0-dev-examples/jar` it means you forgot to type `jar` after `bin/hadoop` If you were unable to run this example, roll back to a previous night's version. If it seemed to run fine but cat didn't spit anything out you probably mistyped something. Try copying the command directly from the wiki to avoid typos. You'll need to wipe out the output directory between each run. Congratulations you have just successfully run your first MapReduce with Hadoop.
