java - Spring social - Implicit sign up is not working -

i spring social along spring mvc connect twitter. want achieve implicit sign up, if user new following spring social docs. getting following error, when application deployed

 error: org.springframework.web.context.contextloader - context initialization failed org.springframework.beans.factory.beancreationexception: error creating bean name 'springsecurityfilterchain' defined in class org.springframework.security.config.annotation.web.configuration.websecurityconfiguration: instantiation of bean failed; nested exception org.springframework.beans.factory.beandefinitionstoreexception: factory method [public javax.servlet.filter org.springframework.security.config.annotation.web.configuration.websecurityconfiguration.springsecurityfilterchain() throws java.lang.exception] threw exception; nested exception java.lang.illegalstateexception: springsocialconfigurer depends on org.springframework.social.security.socialauthenticationservicelocator. no single bean of type found in application context.     @ org.springframework.beans.factory.support.constructorresolver.instantiateusingfactorymethod(constructorresolver.java:597)     @ org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.instantiateusingfactorymethod(abstractautowirecapablebeanfactory.java:1094)     @ org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.createbeaninstance(abstractautowirecapablebeanfactory.java:989)     @ org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.docreatebean(abstractautowirecapablebeanfactory.java:504)     @ org.springframework.beans.factory.support.abstractautowirecapablebeanfactory.createbean(abstractautowirecapablebeanfactory.java:475)     @ org.springframework.beans.factory.support.abstractbeanfactory$1.getobject(abstractbeanfactory.java:304)     @ org.springframework.beans.factory.support.defaultsingletonbeanregistry.getsingleton(defaultsingletonbeanregistry.java:228)     @ org.springframework.beans.factory.support.abstractbeanfactory.dogetbean(abstractbeanfactory.java:300)     @ org.springframework.beans.factory.support.abstractbeanfactory.getbean(abstractbeanfactory.java:195)     @ org.springframework.beans.factory.support.defaultlistablebeanfactory.preinstantiatesingletons(defaultlistablebeanfactory.java:703)     @ org.springframework.context.support.abstractapplicationcontext.finishbeanfactoryinitialization(abstractapplicationcontext.java:760)     @ org.springframework.context.support.abstractapplicationcontext.refresh(abstractapplicationcontext.java:482)     @ org.springframework.web.context.contextloader.configureandrefreshwebapplicationcontext(contextloader.java:403)     @ org.springframework.web.context.contextloader.initwebapplicationcontext(contextloader.java:306)     @ org.springframework.web.context.contextloaderlistener.contextinitialized(contextloaderlistener.java:106)     @ org.apache.catalina.core.standardcontext.listenerstart(standardcontext.java:4937)     @ org.apache.catalina.core.standardcontext.startinternal(standardcontext.java:5434)     @ org.apache.catalina.util.lifecyclebase.start(lifecyclebase.java:150)     @ org.apache.catalina.core.containerbase$startchild.call(containerbase.java:1559)     @ org.apache.catalina.core.containerbase$startchild.call(containerbase.java:1549)     @ java.util.concurrent.futuretask.run(futuretask.java:262)     @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1145)     @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:615)     @ java.lang.thread.run(thread.java:744) caused by: org.springframework.beans.factory.beandefinitionstoreexception: factory method [public javax.servlet.filter org.springframework.security.config.annotation.web.configuration.websecurityconfiguration.springsecurityfilterchain() throws java.lang.exception] threw exception; nested exception java.lang.illegalstateexception: springsocialconfigurer depends on org.springframework.social.security.socialauthenticationservicelocator. no single bean of type found in application context.     @ org.springframework.beans.factory.support.simpleinstantiationstrategy.instantiate(simpleinstantiationstrategy.java:188)     @ org.springframework.beans.factory.support.constructorresolver.instantiateusingfactorymethod(constructorresolver.java:586)     ... 23 more 

this how socialconfig.java

package org.springframework.social.showcase.config;  import javax.inject.inject; import javax.sql.datasource;  import org.springframework.context.annotation.bean; import org.springframework.context.annotation.configuration; import org.springframework.context.annotation.scope; import org.springframework.context.annotation.scopedproxymode; import org.springframework.core.env.environment; import org.springframework.security.core.authentication; import org.springframework.security.core.context.securitycontextholder; import org.springframework.security.crypto.encrypt.encryptors; import org.springframework.social.useridsource; import org.springframework.social.config.annotation.connectionfactoryconfigurer; import org.springframework.social.config.annotation.enablesocial; import org.springframework.social.config.annotation.socialconfigureradapter; import org.springframework.social.connect.connection; import org.springframework.social.connect.connectionfactorylocator; import org.springframework.social.connect.connectionrepository; import org.springframework.social.connect.connectionsignup; import org.springframework.social.connect.usersconnectionrepository; import org.springframework.social.connect.jdbc.jdbcusersconnectionrepository; import org.springframework.social.connect.support.connectionfactoryregistry; import org.springframework.social.connect.web.connectcontroller; import org.springframework.social.connect.web.providersignincontroller; import org.springframework.social.connect.web.reconnectfilter; import org.springframework.social.facebook.api.facebook; import org.springframework.social.facebook.connect.facebookconnectionfactory; import org.springframework.social.facebook.web.disconnectcontroller; import org.springframework.social.linkedin.api.linkedin; import org.springframework.social.linkedin.connect.linkedinconnectionfactory; import org.springframework.social.showcase.account.accountconnectionsignup; import org.springframework.social.showcase.account.accountrepository; import org.springframework.social.showcase.facebook.posttowallafterconnectinterceptor; import org.springframework.social.showcase.signin.simplesigninadapter; import org.springframework.social.showcase.twitter.tweetafterconnectinterceptor; import org.springframework.social.twitter.api.twitter; import org.springframework.social.twitter.connect.twitterconnectionfactory;   @configuration @enablesocial public class socialconfig extends socialconfigureradapter {      @inject     private datasource datasource;      @inject     private environment environment;      @override     public void addconnectionfactories(connectionfactoryconfigurer cfconfig, environment env) {         cfconfig.addconnectionfactory(new twitterconnectionfactory(env.getproperty("twitter.appkey"), env.getproperty("twitter.appsecret")));         cfconfig.addconnectionfactory(new facebookconnectionfactory(env.getproperty("facebook.appkey"), env.getproperty("facebook.appsecret")));         cfconfig.addconnectionfactory(new linkedinconnectionfactory(env.getproperty("linkedin.appkey"), env.getproperty("linkedin.appsecret")));     }      @override     public useridsource getuseridsource() {         return new useridsource() {                      @override             public string getuserid() {                 authentication authentication = securitycontextholder.getcontext().getauthentication();                 if (authentication == null) {                     throw new illegalstateexception("unable connectionrepository: no user signed in");                 }                 return authentication.getname();             }         };     }      @override     public usersconnectionrepository getusersconnectionrepository(connectionfactorylocator connectionfactorylocator) {         return new jdbcusersconnectionrepository(datasource, connectionfactorylocator, encryptors.nooptext());     }      @bean     public connectcontroller connectcontroller(connectionfactorylocator connectionfactorylocator, connectionrepository connectionrepository) {         connectcontroller connectcontroller = new connectcontroller(connectionfactorylocator, connectionrepository);         connectcontroller.addinterceptor(new posttowallafterconnectinterceptor());         connectcontroller.addinterceptor(new tweetafterconnectinterceptor());         return connectcontroller;     }      @bean     public disconnectcontroller disconnectcontroller(usersconnectionrepository usersconnectionrepository, environment environment) {         return new disconnectcontroller(usersconnectionrepository, environment.getproperty("facebook.appsecret"));     }      @bean     public reconnectfilter apiexceptionhandler(usersconnectionrepository usersconnectionrepository, useridsource useridsource) {         return new reconnectfilter(usersconnectionrepository, useridsource);     }      @bean     @scope(value="request", proxymode=scopedproxymode.interfaces)     public facebook facebook(connectionrepository repository) {         connection<facebook> connection = repository.findprimaryconnection(facebook.class);         return connection != null ? connection.getapi() : null;     }      @bean     @scope(value="request", proxymode=scopedproxymode.interfaces)     public twitter twitter(connectionrepository repository) {         connection<twitter> connection = repository.findprimaryconnection(twitter.class);         return connection != null ? connection.getapi() : null;     }      @bean     @scope(value="request", proxymode=scopedproxymode.interfaces)     public linkedin linkedin(connectionrepository repository) {         connection<linkedin> connection = repository.findprimaryconnection(linkedin.class);         return connection != null ? connection.getapi() : null;     }  //  @bean //  public providersignincontroller providersignincontroller() { //      return new providersignincontroller(connectionfactorylocator(),  //          usersconnectionrepository(accountrepository), new simplesigninadapter()); //  } //  @bean //  @scope(value="singleton", proxymode=scopedproxymode.interfaces) //  public connectionfactorylocator connectionfactorylocator() { //      connectionfactoryregistry registry = new connectionfactoryregistry(); //       //       //               //      registry.addconnectionfactory(new twitterconnectionfactory( //          environment.getproperty("twitter.consumerkey"), //          environment.getproperty("twitter.consumersecret"))); //               //      return registry; //  }     @bean     @scope(value="singleton", proxymode=scopedproxymode.interfaces)     public connectionfactorylocator connectionfactorylocator() {         connectionfactoryregistry registry = new connectionfactoryregistry();          registry.addconnectionfactory(new facebookconnectionfactory(         environment.getproperty("facebook.clientid"),         environment.getproperty("facebook.clientsecret")));          registry.addconnectionfactory(new twitterconnectionfactory(         environment.getproperty("twitter.consumerkey"),         environment.getproperty("twitter.consumersecret")));          return registry;     }      @bean     @scope(value="singleton", proxymode=scopedproxymode.interfaces)     public usersconnectionrepository usersconnectionrepository(accountrepository accountrepository) {         jdbcusersconnectionrepository repository = new jdbcusersconnectionrepository(         datasource, connectionfactorylocator(), encryptors.nooptext());         repository.setconnectionsignup((connectionsignup) new accountconnectionsignup(accountrepository));         return repository;     }  }