Please help! The connection is not available (80)

[Imran]

I successfully call connect on the connection, and I see traffic going back
and forth between the server.  The isConnected() returns true, but then when
I do an authenticate call I get the following error:

has anyone seen anything like this?

netscape.ldap.LDAPException: The connection is not available (80)
        at
netscape.ldap.LDAPConnection.sendRequest(LDAPConnection.java:1809)
        at
netscape.ldap.LDAPConnection.internalBind(LDAPConnection.java:1754)
        at
netscape.ldap.LDAPConnection.authenticate(LDAPConnection.java:1294)
        at
netscape.ldap.LDAPConnection.authenticate(LDAPConnection.java:1303)
        at
netscape.ldap.LDAPConnection.authenticate(LDAPConnection.java:1221)
        at SendMessages.createLdapConnection(SendMessages.java:98)
        at testclient.main(testclient.java:34)