run

# export HADOOP_HOME=/usr/local/hadoop

# Path to hadoop libs
# export CLASSPATH=$HADOOP_HOME/hadoop-core-0.20.2-cdh3u0.jar:$HADOOP_HOME/lib/commons-logging-1.0.4.jar

# Alternate way without having to specify a version on hadoop-core:
export CLASSPATH=$(for i in $HADOOP_HOME/hadoop-core*.jar ; do echo -n $i: ; done):$(for i in $HADOOP_HOME/lib/commons-logging*.jar ; do echo -n $i: ; done)

# Add conf path where core-site.xml is
export CLASSPATH=$CLASSPATH:./conf

node-waf clean
node-waf configure
node-waf build 
node demo/demo.js