FreeBSD 7-amd-64 broken-ness

Tried getting PL/Java working, then went with the test code here:
http://developer.apple.com/internet/opensource/postgres.html

Said code works on FreeBSD 6.3-i386

Here is the brokeness on amd64

$ java PgTest test liz liz
Caught Exception:
org.postgresql.util.PSQLException: The connection attempt failed.
org.postgresql.util.PSQLException: The connection attempt failed.
at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(Conne
ctionFactoryImpl.java:137)
at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactor
y.java:66)
at org.postgresql.jdbc2.AbstractJdbc2Connection.<init>(AbstractJdbc2Conn
ection.java:124)
at org.postgresql.jdbc3.AbstractJdbc3Connection.<init>(AbstractJdbc3Conn
ection.java:30)
at org.postgresql.jdbc3g.Jdbc3gConnection.<init>(Jdbc3gConnection.java:2
4)
at org.postgresql.Driver.makeConnection(Driver.java:386)
at org.postgresql.Driver.connect(Driver.java:260)
at java.sql.DriverManager.getConnection(DriverManager.java:525)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at PgTest.<init>(PgTest.java:26)
at PgTest.main(PgTest.java:63)
Caused by: java.net.SocketException: Invalid argument
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:520)
at java.net.Socket.connect(Socket.java:470)
at java.net.Socket.<init>(Socket.java:367)
at java.net.Socket.<init>(Socket.java:180)
at org.postgresql.core.PGStream.<init>(PGStream.java:62)
at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(Conne
ctionFactoryImpl.java:77)
... 10 more

$ netstat -an | grep 5432
tcp4 0 0 *.5432 *.* LISTEN
tcp6 0 0 *.5432 *.* LISTEN
tcp4 0 0 127.0.0.1.* 127.0.0.1.5432 CLOSED
ffffff0084f357c0 stream 0 0 ffffff0057e729b0 0 0
0 /tmp/.s.PGSQL.5432
$

COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
postgres 37455 pgsql 4u IPv6 0xffffff0084af25b0 0t0 TCP *:postgresql (
LISTEN)
postgres 37455 pgsql 5u IPv4 0xffffff0084af0b60 0t0 TCP *:postgresql (
LISTEN)
postgres 37455 pgsql 7u IPv6 0xffffff00a52bd000 0t0 UDP localhost:6410
0->localhost:64100
postgres 37457 pgsql 7u IPv6 0xffffff00a52bd000 0t0 UDP localhost:6410
0->localhost:64100
postgres 37458 pgsql 7u IPv6 0xffffff00a52bd000 0t0 UDP localhost:6410
0->localhost:64100

I do have a truss output at
http://www.milestonerdl.com/jdbc/truss.html