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Autowiring Not getting disabled using xml configuration


Autowiring Not getting disabled using xml configuration

By : Shlomit Peri
Date : November 28 2020, 03:01 PM
it fixes the issue According to this Spring JIRA ticket autowire-candidate="false" only affects type-based autowiring attempts, not direct references by name... and not autowire="byName" either.
code :


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Autowiring and annotation configuration in Spring

Autowiring and annotation configuration in Spring


By : user3407815
Date : March 29 2020, 07:55 AM
Any of those help You have to use ApplicationContext instead of plain BeanFactory. Seems like BeanFactory does not run post processors, including the one looking for @Autowired annotation. I will try to find a piece of documentation for that, in the meantime try:
code :
new ClassPathXmlApplicationContext("/spring.xml").getBean(B.class);
Autowiring a list in spring, without configuration

Autowiring a list in spring, without configuration


By : Phil C
Date : March 29 2020, 07:55 AM
will be helpful for those in need @Autowired always works with instances of a class, not types. You have defined 3 types: A, B and C, but have not created any instances from them.
To autowire, you need to create these instances, and also register them with Spring. This is where the XML config or Java config comes in. It is basically a short form for creating Spring-registered instances. So you can specify:
code :
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class ApplicationConfiguration {

    @Bean
    public B someA() {
        return new B();
    }

    @Bean
    public C anotherA() {
        return new C();
    }

    @Bean
    public B evenMoreA() {
        return new B();
    }
}
Autowiring of Freemarker configuration fails

Autowiring of Freemarker configuration fails


By : zhoutonghan
Date : March 29 2020, 07:55 AM
wish help you to fix your issue
As I am using spring-boot 1.4.0, there's no need to provide more configuration, or am I wrong ? So i dont have any further xml nor java configuration for freemarker.. I didnt configured it, as there was no need to configure anything in other services, where I use freemarker.
code :
@Configuration
public class MyConfiguration {
    @Bean
    freemarker.template.Configuration freeMarkerConfig() {
       return someConfigBeanInstantiatedHere;
    }
}
What are the advantages of constructor autowiring over normal autowiring or property autowiring?

What are the advantages of constructor autowiring over normal autowiring or property autowiring?


By : kerri sands
Date : March 29 2020, 07:55 AM
Does that help Constructor autowiring has advantages in that you can make the wired in fields final (particularly useful if your bean will be called from multiple threads as threadsafety is easier to analyse with finals). And you can ensure that the bean is always constructed in a valid way (although you can always implement InitializingBean and use the afterPropertiesSet method to achieve the same if you're wiring in properties).
Wiring properties can be better if you have many fields as it avoids having very many arguments in your constructor, and wiring by name is less prone to mixing up the variables if you're using xml (consider a constructor with many arguments all of one type - it would be easy to wire in the wrong variable). Wiring properties also makes it easier to have optional properties - optional properties with constructor wiring would require multiple constructors, which can quickly get complicated.
Autowiring xml bean into @Configuration Class

Autowiring xml bean into @Configuration Class


By : user1978847
Date : March 29 2020, 07:55 AM
like below fixes the issue I found a way to define my datasource bean by using the BeanFactoryAware interface. BeanFactoryAware is used to inject the BeanFactory object. This way we get access to the BeanFactory which created the object.
code :
@EnableGlobalMethodSecurity (prePostEnabled = true, securedEnabled = true)
@Configuration
@ImportResource({"classpath:/conf/applicationContext-db.xml"})
public class AclMethodSecurityConfiguration extends GlobalMethodSecurityConfiguration implements BeanFactoryAware {

    DataSource dataSource;

    @Override
    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
        this.dataSource = beanFactory.getBean("dataSource", DataSource.class);
    }
    // rest of code goes here 
}
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