Nsryjdtyk

I am using Spring beans in a non-spring framework and for that I have implemented the ApplicationContextAware to access the spring beans.

@Service

public class ApplicationContextProviderService implements ApplicationContextAware {

    private static ApplicationContext applicationContext;



    @Override

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {

        ApplicationContextProviderService.applicationContext = applicationContext;

    }



    public static <T> T getBean(Class<T> beanType) {

        System.out.println("bean out: " + applicationContext);

        return applicationContext.getBean(beanType);

    }



}

I try to access a Spring service: ConnectionStateService from the non-spring class:

this.connectionStateService = ApplicationContextProviderService.getBean(ConnectionStateService.class);

I get the following error:

java.lang.IllegalStateException:

**org.springframework.context.annotation.AnnotationConfigApplicationContext@7f485fda has not been refreshed yet     at

** org.springframework.context.support.AbstractApplicationContext.assertBeanFactoryActive(AbstractApplicationContext.java:1072) ~[spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]   at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1102) ~[spring-context-5.0.4.RELEASE.jar:5.0.4.RELEASE]   at com.example.app.service.ApplicationContextProviderService.getBean(ApplicationContextProviderService.java:19) ~[classes/:na]  at com.example.app.CustomFilter.<init>(CustomFilter.java:26) ~[classes/:na]

How to resolve this issue?

The issue is related when the application tries to call to ApplicationContext before the application runs, so you won't be able to have application context because it wasn't created. The solution is create a singleton for ConnectionStateService class so you won't need to create a service for calling the ApplicationContext.

public class ConnectionStateService { 



// static variable instance of type Singleton 

private static ConnectionStateService single_instance = null; 



// private constructor restricted to this class itself 

private ConnectionStateService() { 

 // some stuffs for initialize here

}  



// static method to create instance of Singleton class 

public static ConnectionStateService getInstance()  { 

if (instance == null) 

     instance = new ConnectionStateService(); 

     return instance; 

} 

}

I think you are getting the bean when the context is not initialized

So actually be sure you are invoking this piece of code :

this.connectionStateService = ApplicationContextProviderService.getBean(ConnectionStateService.class);

after context is initialized