C:\tmp1\restClient>javac HttpClientREST.java
HttpClientREST.java:30: cannot find symbol
symbol  : constructor AuthScope(java.lang.String,java.lang.String,java.lang.Stri
ng)
location: class org.apache.commons.httpclient.auth.AuthScope
        client.getState().setCredentials(new AuthScope(base_url, port , realm),
new UsernamePasswordCredentials(uname,passw));
                                         ^
1 error