SrpringBoot服务启动后报错如下:
Description:
Parameter 1 of constructor in org.rongyilian.service.impl.VerificationCodeServiceImpl required a bean of type 'java.lang.String' that could not be found.
Action:
Consider defining a bean of type 'java.lang.String' in your configuration.
Disconnected from the target VM, address: '127.0.0.1:53222', transport: 'socket'
Process finished with exit code 1
以下是本地代码:
@Service
@AllArgsConstructor
public class VerificationCodeServiceImpl implements VerificationCodeService {
private final RedisService redisService;
@Value("${redis.key.register}")
private String REDIS_REGISTER_KEY;
@Value("${redis.expire.three}")
private Long THREE_MIN;
@Override
public void sendVerificationCode(String phone, String code) {
String key = REDIS_REGISTER_KEY + ":" + phone;
redisService.set(key, code, THREE_MIN);
}
}
报错后我首先想到的是配置文件没注入的问题,检查yml配置文件中是否有语法错误
redis:
key:
register: 'user:register'
expire:
common: 86400 # 24小时
three: 180 #3分钟
检查后发现语法正确,百度搜索,说报错信息是由于A类中定义了含参数的构造函数,Spring自动构造和注入时未为该Bean传入参数,引起报错。
反复检查RedisService类发现没有问题
最后发现是由于引用了Lombok的@AllArgsConstructor注解,创造了一个全参的构造器,将@Value修饰的两个变量作为构造器入参,导致报错
以下是修改后的代码,正常启动
@Service
public class VerificationCodeServiceImpl implements VerificationCodeService {
private final RedisService redisService;
public VerificationCodeServiceImpl(RedisService redisService) {
this.redisService = redisService;
}
@Value("${redis.key.register}")
private String REDIS_REGISTER_KEY;
@Value("${redis.expire.three}")
private Long THREE_MIN;
@Override
public void sendVerificationCode(String phone, String code) {
String key = REDIS_REGISTER_KEY + ":" + phone;
redisService.set(key, code, THREE_MIN);
}
}
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