Java线程手动注入service后，运行还是报空指针异常，这个问题该怎么解决？

项目有没有引用 Spring Boot Devtools？
包扫描有没有问题

SpringContextUtil 增加一个无参构造方法

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringContextHolder implements ApplicationContextAware {
    private static ApplicationContext applicationContext;

    public SpringContextHolder() {
    }

    public static ApplicationContext getApplicationContext() {
        assertApplicationContext();
        return applicationContext;
    }

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        SpringContextHolder.applicationContext = applicationContext;
    }

    public static <T> T getBean(String beanName) {
        assertApplicationContext();
        return applicationContext.getBean(beanName);
    }

    public static <T> T getBean(Class<T> requiredType) {
        assertApplicationContext();
        return applicationContext.getBean(requiredType);
    }

    public static <T> Map<String, T> getBeanMap(Class<T> clazz) {
        assertApplicationContext();
        return applicationContext.getBeansOfType(clazz);
    }

    public static Map<String, Object> getAllBean(Class requiredType) {
        assertApplicationContext();
        return applicationContext.getBeansOfType(requiredType);
    }

    public static <T> List<T> getBeans(Class<T> clazz) {
        assertApplicationContext();
        List<T> result = new ArrayList();
        Map<String, T> beanMap = applicationContext.getBeansOfType(clazz);
        if (beanMap == null) {
            return result;
        } else {
            result.addAll(beanMap.values());
            return result;
        }
    }

    public static <T> T autowireBean(T t) {
        AutowireCapableBeanFactory beanFactory = applicationContext.getAutowireCapableBeanFactory();
        beanFactory.autowireBean(t);
        return t;
    }

    private static void assertApplicationContext() {
        if (applicationContext == null) {
            throw new RuntimeException("applicaitonContext属性为null,请检查是否注入了SpringContextHolder!");
        }
    }
}

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