check hadoop config
this tool can check hadoop config , for example:
if you config with property not exist this tool can find this property
Usage: 1 download the apache default,choose your hadoop version, you can download files for hadoop 2.3.0 as follows http://hadoop.apache.org/docs/r2.3.0/hadoop-project-dist/hadoop-common/core-default.xml
http://hadoop.apache.org/docs/r2.3.0/hadoop-project-dist/hadoop-hdfs/hdfs-default.xml
http://hadoop.apache.org/docs/r2.3.0/hadoop-yarn/hadoop-yarn-common/yarn-default.xml
2 you can java jar this project to jar
3 use it Example java -jar hadoopConfchecker.jar ./core-default.xml ./hdfs-default.xml ./mapred-default.xml ./yarn-default.xml /usr/hadoop-2.3.0/etc/hadoop/core-site.xml /usr/hadoop-2.3.0/etc/hadoop/hdfs-site.xml /usr/hadoop-2.3.0/etc/hadoop/mapred-site.xml /usr/hadoop-2.3.0/etc/hadoop/yarn-site.xml
or just check a file
java -jar hadoopConfchecker.jar ./core-default.xml ./hdfs-default.xml ./mapred-default.xml ./yarn-default.xml /usr/hadoop-2.3.0/etc/hadoop/core-site.xml
test master add test Enjoy it!!!!!11111