When you try to load a password-protected WSDL using the WebService service in LiveCycle ES2 (18.104.22.168), the following exception occurs:
java.net.ProtocolException thrown: Server redirected too many times (20)
This is a bug in LC ES2. Update to LiveCycle ES2 SP1 or later. Contact Enterprise Support if you require a patch for LiveCycle ES2 (22.214.171.124).