2.1. What's Changed in Hadoop
The following updates were made to HDFS for 1.3.7:
BUG-16960, HDFS-6141:
WebHdfsFileSystem#toUrl does not perform character escaping.
BUG-13793: Port HDFS-5982 to Hadoop 1.
BUG-13753, HDFS-2264, HDFS-3404: Dual homing
patched Hadoop Core jar for SNN issue.