copy webapps to hadoop-hdfs-project/hadoop-hdfs/target/classes
dfs.datanode.ipc.address0.0.0.0:50020
3. copy common-version-info.properties to hadoop-hdfs-project/hadoop-hdfs/src/main/resources
version=2.4.0
revision=1583262
branch=branch-2.4.0
user=jenkins
date=2014-03-31T08:29Z
url=http://svn.apache.org/repos/asf/hadoop/common
srcChecksum=375b2832a6641759c6eaf6e3e998147
protocVersion=2.5.0
http://bugs.java.com/view_bug.do?bug_id=5103988