Redisson注入为空 报空指针

Question

import lombok.extern.slf4j.Slf4j;
import org.redisson.Redisson;
import org.redisson.api.RLock;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import java.util.concurrent.TimeUnit;
/**
 * 自己手写（）
 */
@Slf4j
public class RedisLockServer {

    @Autowired
    private RedisTemplate<String,String> redisTemplate;

    @Autowired(required = false)
    private Redisson redisson;

    public String redisLock(String goodID){
        RLock rLock = redisson.getLock(goodID);
        //加锁 5秒
        rLock.lock(5, TimeUnit.SECONDS);
        //业务代码 查询库存
        int goodTotal = Integer.parseInt(redisTemplate.opsForValue().get(goodID));
        if (goodTotal>0){
            redisTemplate.opsForValue().set(goodID,String.valueOf(--goodTotal));
            System.out.println("卖出一份，剩余库存："+goodTotal);
        }else{
            System.out.println(" 售空 ");
        }
        //业务完成 释放锁
        rLock.unlock();
        return String.valueOf(goodTotal);
    }

}
class TestRedis{
    public static void main(String[] args) {
        RedisLockServer redisLockServer = new RedisLockServer();
        for (int i=0;i<100;i++){
            redisLockServer.redisLock("goodShop");
        }

    }

}

Exception in thread "main" java.lang.NullPointerException
	at com.knife.redis.RedisLockServer.redisLock(RedisLockServer.java:27)
	at com.knife.redis.TestRedis.main(RedisLockServer.java:48)

Process finished with exit code 1

空指针 我bug走了一下是注入Redisson是空的 求解决 !

 

Answer 1

是不是没有配置bean,可以把其他代码贴出来