オライリーの本みながら0.21.0使うとはまるので、0.20.2を入れる。 conf/hadoop-env.shのJAVA_HOMEを設定 export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home $ hadoop-0.20.2/bin/hadoop version Hadoop 0.20.2 Subversion https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r 911707 Compiled by chrisdo on Fri Feb 19 08:07:34 UTC 2010
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