Arugal commented on issue #3035: NPE Aspect URL: https://github.com/apache/skywalking/issues/3035#issuecomment-510758154 ``` spring-boot-starter-aop:2.1.1.RELEAS ``` ``` @SpringBootApplication public class AopApplication implements CommandLineRunner { public static void main(String[] args) { SpringApplication.run(AopApplication.class); } @Autowired private Service service; @Override public void run(String... args) throws Exception { System.out.println("autowired:" + System.identityHashCode(service)); Method method1 = Service.class.getDeclaredMethod("method1"); method1.setAccessible(true); method1.invoke(service); Method method2 = Service.class.getDeclaredMethod("method2"); method2.setAccessible(true); method2.invoke(service); } } @Aspect @Component public class AopAspect { @Pointcut("execution(* com.github.sunnus3.example.spring.Service.*(..))") public void aop() { } @Before("aop()") public void before(JoinPoint joinPoint) { System.out.println("before ..."); } } @Component public class Service { private void method1() { System.out.println("private method: " + System.identityHashCode(this)); } public void method2() { System.out.println("public method: " + System.identityHashCode(this)); } } Result autowired:680988889 private method: 680988889 before ... public method: 1792227359 ```
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