增加 null判断

xufenglei

2018-07-31 6b9938b5faf4a1b66f1c8886adc402d42bd447c1

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package com.moral.security.exceptions;
 
import org.springframework.security.core.AuthenticationException;
 
public class AccountExpiredBadCredentialsException extends AuthenticationException {
    public AccountExpiredBadCredentialsException(String msg) {
        super(msg);
    }
}