[How to Solve] error at ::0 formal unbound in pointcut

error at ::0 formal unbound in pointcut

This error was reported when using aop’s @before for log prenotification

Error code here

	@Before(value = "webLogAspect()")
    public void logBefore(JoinPoint joinPoint，Object ret) {
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();
        //在attribute中加入开始时间
        request.setAttribute("time",System.currentTimeMillis());
    }

Then, after I remove the second parameter, it is normal

@Before(value = "webLogAspect()")
public void logBefore(JoinPoint joinPoint) {

Explain that other operations are required when multiple parameters are used, otherwise an error will be reported

@Before(value = "webLogAspect() && args(ret)")
public void logBefore(JoinPoint joinPoint, Object ret) {

Problem-solving

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