[Spring] Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException

Problem
I have a  configuration which provide more than one implementations for a bean:

package demo.config;

import org.apache.http.auth.UsernamePasswordCredentials;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.oxm.jaxb.Jaxb2Marshaller;
import org.springframework.ws.client.core.WebServiceTemplate;
import org.springframework.ws.transport.http.HttpComponentsMessageSender;

@Configuration
public class WebServicesClientConfig {

    @Value("${webservice.username}")
    private String userName;

    @Value("${webservice.password}")
    private String password;

    @Bean (name = "webServiceTemplate")
    public Jaxb2Marshaller jaxb2Marshaller() {
        Jaxb2Marshaller jaxb2Marshaller = new Jaxb2Marshaller();
        jaxb2Marshaller.setPackagesToScan("demo.ws.bind");
        return jaxb2Marshaller;
    }

    @Bean
    public WebServiceTemplate webServiceTemplate() {
        WebServiceTemplate webServiceTemplate = new WebServiceTemplate();
        webServiceTemplate.setMarshaller(jaxb2Marshaller());
        webServiceTemplate.setUnmarshaller(jaxb2Marshaller());

        webServiceTemplate.setMessageSender(httpComponentsMessageSender());

        return webServiceTemplate;
    }
    
    @Bean (name = "oq2WebServiceTemplate")
    public Jaxb2Marshaller jaxb2Marshaller2() {
        Jaxb2Marshaller jaxb2Marshaller = new Jaxb2Marshaller();
        jaxb2Marshaller.setPackagesToScan("demo.ws.bind2");
        return jaxb2Marshaller;
    }

    @Bean
    public WebServiceTemplate oq2WebServiceTemplate() {
        WebServiceTemplate oq2WebServiceTemplate = new WebServiceTemplate();
        oq2WebServiceTemplate.setMarshaller(jaxb2Marshaller2());
        oq2WebServiceTemplate.setUnmarshaller(jaxb2Marshaller2());

        oq2WebServiceTemplate.setMessageSender(httpComponentsMessageSender());

        return oq2WebServiceTemplate;
    }

    @Bean
    public HttpComponentsMessageSender httpComponentsMessageSender() {
        HttpComponentsMessageSender httpComponentsMessageSender = new HttpComponentsMessageSender();
        httpComponentsMessageSender.setCredentials(usernamePasswordCredentials());
        return httpComponentsMessageSender;
    }

    @Bean
    public UsernamePasswordCredentials usernamePasswordCredentials() {
        return new UsernamePasswordCredentials(userName, password);
    }

}

The client bean looks like:

package demo.client;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import org.springframework.ws.client.core.WebServiceTemplate;

@Component
public class OiClient {

    @Autowired
    @Qualifier("webServiceTemplate")
    private WebServiceTemplate webServiceTemplate;
    
    public Response getInfoByIdno() {
        // ignore details
    }

}

But as I start up spring boot, it throws the following exception:

Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'oiService': Unsatisfied dependency expressed through field 'oiClient'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'oiClient': Unsatisfied dependency expressed through field 'webServiceTemplate'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'org.springframework.ws.client.core.WebServiceTemplate' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true), @org.springframework.beans.factory.annotation.Qualifier(value=webServiceTemplate)}
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:586) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:372) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1341) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:572) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:495) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:251) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1135) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]
 at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1062) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE]

How-To
The configuration class should be fixed as bellows:

package demo.config;

import org.apache.http.auth.UsernamePasswordCredentials;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.oxm.jaxb.Jaxb2Marshaller;
import org.springframework.ws.client.core.WebServiceTemplate;
import org.springframework.ws.transport.http.HttpComponentsMessageSender;

@Configuration
public class WebServicesClientConfig {

    @Value("${webservice.username}")
    private String userName;

    @Value("${webservice.password}")
    private String password;

    @Bean
    @Qualifier("webServiceTemplate")
    public Jaxb2Marshaller jaxb2Marshaller() {
        Jaxb2Marshaller jaxb2Marshaller = new Jaxb2Marshaller();
        jaxb2Marshaller.setPackagesToScan("demo.ws.bind");
        return jaxb2Marshaller;
    }

    @Bean
    public WebServiceTemplate webServiceTemplate() {
        WebServiceTemplate webServiceTemplate = new WebServiceTemplate();
        webServiceTemplate.setMarshaller(jaxb2Marshaller());
        webServiceTemplate.setUnmarshaller(jaxb2Marshaller());

        webServiceTemplate.setMessageSender(httpComponentsMessageSender());

        return webServiceTemplate;
    }
    
    @Bean
    @Qualifier("oq2WebServiceTemplate")
    public Jaxb2Marshaller jaxb2Marshaller2() {
        Jaxb2Marshaller jaxb2Marshaller = new Jaxb2Marshaller();
        jaxb2Marshaller.setPackagesToScan("demo.ws.bind2");
        return jaxb2Marshaller;
    }

    @Bean
    public WebServiceTemplate oq2WebServiceTemplate() {
        WebServiceTemplate oq2WebServiceTemplate = new WebServiceTemplate();
        oq2WebServiceTemplate.setMarshaller(jaxb2Marshaller2());
        oq2WebServiceTemplate.setUnmarshaller(jaxb2Marshaller2());

        oq2WebServiceTemplate.setMessageSender(httpComponentsMessageSender());

        return oq2WebServiceTemplate;
    }

    @Bean
    public HttpComponentsMessageSender httpComponentsMessageSender() {
        HttpComponentsMessageSender httpComponentsMessageSender = new HttpComponentsMessageSender();
        httpComponentsMessageSender.setCredentials(usernamePasswordCredentials());
        return httpComponentsMessageSender;
    }

    @Bean
    public UsernamePasswordCredentials usernamePasswordCredentials() {
        return new UsernamePasswordCredentials(userName, password);
    }

}

Reference
[1] https://www.logicbig.com/tutorials/spring-framework/spring-core/inject-bean-by-name.html