Error when starting hbase shell

[Sreeram]

Hi,

I built HBase using cygwin in my local machine (the master branch) and I
get below error when starting up hbase shell.

NameError: cannot initialize Java class
org.apache.hadoop.hbase.HColumnDescriptor
  get_proxy_or_package_under_package at
org/jruby/javasupport/JavaUtilities.java:54
                      method_missing at
file:/C:/Users/xxxx/.m2/repository/org/jruby/jruby-complete/1.6.8/jruby-com
plete-1.6.8.jar!/builtin/javasupport/java.rb:51
                      HBaseConstants at
d:/hbase-master/hbase-master/bin/../hbase-shell/src/main/ruby/hbase.rb:93
                              (root) at
d:/hbase-master/hbase-master/bin/../hbase-shell/src/main/ruby/hbase.rb:34
                             require at org/jruby/RubyKernel.java:1062
                              (root) at
d:/hbase-master/hbase-master/bin/../bin/hirb.rb:118

The JDK/JRE version I have is 1.8.0_51.
Any thoughts on what is going on here ?

Sreeram