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The "HowToSetupYourDevelopmentEnvironment" page has been changed by LarsFrancke: https://wiki.apache.org/hadoop/HowToSetupYourDevelopmentEnvironment?action=diff&rev1=33&rev2=34 Comment: Fix part of the setup for YARN (still doesn't work) {{{ export HADOOP_COMMON_HOME=$(pwd)/$(ls -d hadoop-common-project/hadoop-common/target/hadoop-common-*-SNAPSHOT) export HADOOP_HDFS_HOME=$(pwd)/$(ls -d hadoop-hdfs-project/hadoop-hdfs/target/hadoop-hdfs-*-SNAPSHOT) - export HADOOP_MAPRED_HOME=$(pwd)/$(ls -d hadoop-mapreduce-project/target/hadoop-mapreduce-*-SNAPSHOT) + export HADOOP_MAPRED_HOME=$(pwd)/$(ls -d hadoop-yarn-project/target/hadoop-yarn-*-SNAPSHOT) - export YARN_HOME=$HADOOP_MAPRED_HOME + export HADOOP_YARN_HOME=$HADOOP_MAPRED_HOME export PATH=$HADOOP_COMMON_HOME/bin:$HADOOP_HDFS_HOME/bin:$HADOOP_MAPRED_HOME/bin:$PATH }}} Configure YARN to start a MR shuffle service: {{{ - cat > $YARN_HOME/conf/yarn-site.xml << EOF + cat > $HADOOP_YARN_HOME/conf/yarn-site.xml << EOF <?xml version="1.0"?> <configuration> <!-- Site specific YARN configuration properties -->
