R3704/hadoop-2.3.0-src/hadoop-common-project/hadoop-common/src/main/resources/META-INF/services/org.apache.hadoop.fs.FileSystemfuture
R3704/hadoop-2.3.0-src/hadoop-common-project/hadoop-common/src/main/resources/META-INF/services/org.apache.hadoop.fs.FileSystem
future