Ident Connections With Tomcat and Postgresql

Has anyone had experience with IDENT authentication and JDBC with
Tomcat 5.5 and Postresql 8.2 using postgresql-8.2-506.jdbc3?

I set ident accross the board in pga_pg_hba.conf and restarted postgres

I set up an Ident service and I am able to connect using Ident with

su tomcat
psql -h locahost tomcat_test

But when I connect using JDBC under tomcat

String loginUser = "tomcat";
String loginUrl = "jdbc:postgresql://127.0.0.1/tomcat_test";
try
{
  Class.forName("org.postgresql.Driver");
  dbcon = DriverManager.getConnection(loginUrl, loginUser, "");
}

I get "Ident authentication failed for user tomcat"

When I log at the postgres log I see:

LOG:  invalidly formatted response from Ident server: "47537 , 5432 :
ERROR :NO-USER
        "
FATAL:  Ident authentication failed for user "tomcat"
LOG:  invalidly formatted response from Ident server: "47541 , 5432 :
ERROR :NO-USER
        "
I started Tomcat using jsvc and confirmed it is running as tomcat and
confirmed via System.getProperty("user.name") I was running as tomcat.

Also when I test ident standalone I get what appears to be good output

[root@host3 ~]# telnet localhost 113
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
47568,5432
47568 , 5432 : USERID : Linux :tomcat
Connection closed by foreign host.
[root@host3 ~]#

This is a weird one.  Thanks in advance for any help on this.