Exception in thread "main" java.net.SocketTimeoutException: POST http://192.168.20.192:5000/v2.0/tokens/ failed on exception: java.net.SocketTimeoutException: Read ti
med out; For more details see:  http://wiki.apache.org/hadoop/SocketTimeout
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)