Well It worked for a single service implementing the interface, as soon as I
added a second service it blew up :(

I was given this exception 
Caused by: java.lang.RuntimeException: Error building service proxy for
service 'Scheduler' (at
org.mydomain.eprs.services.Scheduler(HibernateSessionSource, Session,
AutocompleteCache, AutocompleteCache) (at Scheduler.java:34) via
org.mydomain.eprs.services.AppModule.bind(ServiceBinder) (at
AppModule.java:29)): Service interface
org.mydomain.eprs.services.AutocompleteCache is matched by 2 services:
UserAutocompleteCache, VendorAutocompleteCache.  Automatic dependency
resolution requires that exactly one service implement the interface.

this is my code

public class AppModule {

    public static void bind(ServiceBinder binder) {
        binder.bind(UserInfo.class, UserInfoImpl.class);
        binder.bind(Scheduler.class);
    }
    
    public static AutocompleteCache<ApplicationUser>
buildUserAutocompleteCache() {
        return new AutocompleteCacheImpl<ApplicationUser>() {};
    }
    
    public static AutocompleteCache<IfasvVendor>
buildVendorAutocompleteCache() {
        return new AutocompleteCacheImpl<IfasvVendor>() {};
    }

public class Scheduler {

    public Scheduler(AutocompleteCache<ApplicationUser>
userAutocompleteCache,
            AutocompleteCache<IfasvVendor> vendorAutocompleteCache) {


I looked at Taha's suggestion "Disambiguation with Marker Annotations" in 
http://tapestry.apache.org/defining-tapestry-ioc-services.html

however that example seemed like one interface implementing different
classes, where as I have one interface implementing one class, ie the
generic. 

Any thoughts or suggestions?

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