ant build your mapreduce job jar first. See the following ant build.xml
<project name=”MyProject” basedir=”.” default=”distr”>
<property name=”Name” value=”TSMapReduce”/>
<property name=”name” value=”TSMapReduce”/>
<property name=”version” value=”0.1.0″/>
<property name=”final.name” value=”${name}-${version}”/>
<property name=”src.dir” value=”src”/>
<property name=”lib.dir” value=”lib”/>
<property name=”build.dir” value=”build”/>
<property name=”jar.dir” value=”${build.dir}”/>
<property name=”build.lib.dir” value=”${build.dir}/lib”/>
<property name=”main-class” value=”com.your_xxx_domain.timeseries.MyMapReduceJob”/>
<property name=”tmp.dir” value=”tmp”/>
<path id=”classpath”>
<fileset dir=”${lib.dir}” includes=”**/*.jar”/>
</path>
<target name=”clean”>
<delete dir=”${build.dir}”/>
<delete dir=”${tmp.dir}”/>
</target>
<target name=”compile”>
<mkdir dir=”${tmp.dir}”/>
<mkdir dir=”${build.dir}”/>
<javac srcdir=”${src.dir}” destdir=”${tmp.dir}” debug=”on”
classpathref=”classpath”/>
</target>
<target name=”distr” depends=”jar”>
<mkdir dir=”${build.lib.dir}”/>
<copy todir=”${build.lib.dir}”>
<fileset dir=”${lib.dir}”/>
</copy>
<delete dir=”${tmp.dir}”/>
</target>
<target name=”jar” depends=”clean, compile”>
<jar destfile=”${build.dir}/${final.name}.jar” basedir=”${tmp.dir}”>
<!– <manifest>
<attribute name=”Main-Class” value=”${main-class}”/>
<attribute name=”Class-Path” value=”classpath”/>
</manifest>
–>
<fileset dir=”.”>
<include name=”**/${lib.dir}/**” />
</fileset>
</jar>
</target>
</project>
./bin/hadoop jar YOUR_MAP_REDUCE_JOB.jar com.your_xxx_domain.path.to.your.class.MyMapReduceClass programArgs1 programArgs2
Wei Shung Chung 