FULL PRODUCT VERSION :
1.6.0_02-b05

ADDITIONAL OS VERSION INFORMATION :
reproduced with different windows systems

A DESCRIPTION OF THE PROBLEM :
Connecting Problems if char '_' in hostname


ERROR MESSAGES/STACK TRACES THAT OCCUR :
java.net.MalformedURLException: invalid authority: //akr_sharepoint:8000/ssssss
at java.rmi.Naming.intParseURL(Unknown Source)
at java.rmi.Naming.parseURL(Unknown Source)
at java.rmi.Naming.lookup("//abc_sharepoint:8000/ssssss")

It's easy to reproduce "java.net.URI.getHost()" should be the Problem.


---------- BEGIN SOURCE ----------
import java.rmi.Naming;

public class Test {

public Test(){
callLookup("host_name");
callLookup("hostname");
}

private void callLookup(String hostName){
System.out.println(hostName + " leads to");
try{
Naming.lookup("//" + hostName + ":6666/xxxxx");
}catch(Throwable er){
er.printStackTrace();
}
}

static public void main(String args[]) {
  new Test();
}
}

---------- END SOURCE ----------

REPRODUCIBILITY :
This bug can be reproduced always.

Release Regression From : 5.0
The above release value was the last known release where this
bug was not reproducible. Since then there has been a regression.