Redis client之Jedis在线程执行抛出异常无法恢复的情形和解决方案

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        max-total: 100 # 连接池最大连接数（使用负值表示没有限制）
        max-wait: 10 # 连接池最大阻塞等待时间（使用负值表示没有限制）
        min-idle: 10 # 连接池中的最小空闲连接
        max-idle: 10 # 连接池中的最大空闲连接

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public String get(String key) {
        try {
            return jedisClient.get(key);
        } catch (Exception e) {
            logger.error("get:{} have exception:{}", key, e);
        } 
        return null;
    }

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@Bean(name= "jedisClient")
    @Autowired
	public Jedis singleJedis(@Value("${spring.redis.host}") String host,
							 @Value("${spring.redis.port}") int port) {
		return new JedisPool(jedisPoolConfig, host, port).getResource();
	}

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@Autowired
    private RedisClient redisClient;

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public void close() {
        if (this.dataSource != null) {
            if (this.client.isBroken()) {//关键代码，判断是否broken
                this.dataSource.returnBrokenResource(this); #执行归还broken调用
            } else {
                this.dataSource.returnResource(this);#执行归还调用
            }
        } else {
            this.client.close();
        }

    }

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/** 下面代码展示，broken的连接归还流程 */

protected void returnBrokenResourceObject(T resource) {
        try {
            this.internalPool.invalidateObject(resource);//调用无效对象方法
        } catch (Exception var3) {
            throw new JedisException("Could not return the resource to the pool", var3);
        }
    }


    public void invalidateObject(T obj) throws Exception {
        PooledObject<T> p = (PooledObject)this.allObjects.get(new IdentityWrapper(obj));
        if (p == null) {
            if (!this.isAbandonedConfig()) {
                throw new IllegalStateException("Invalidated object not currently part of this pool");
            }
        } else {
            synchronized(p) {
                if (p.getState() != PooledObjectState.INVALID) { //这句代码关键，没有设置无效状态事进行destory操作
                    this.destroy(p);
                }
            }

            this.ensureIdle(1, false);
        }
    }

//destory操作中对对象进行了删除和销毁操作
private void destroy(PooledObject<T> toDestroy) throws Exception {
        toDestroy.invalidate();
        this.idleObjects.remove(toDestroy);
        this.allObjects.remove(new IdentityWrapper(toDestroy.getObject()));

        try {
            this.factory.destroyObject(toDestroy);
        } finally {
            this.destroyedCount.incrementAndGet();
            this.createCount.decrementAndGet();
        }

    }

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/** 下面的代码展示正常连接归还流程 */

public void returnResource(T resource) {
        if (resource != null) {
            this.returnResourceObject(resource);
        }

    }

public void returnResourceObject(T resource) {
        if (resource != null) {
            try {
                this.internalPool.returnObject(resource);//关键代码，可以发现正常连接归还的流程最终并没有删除销毁，也就是说其实可以不归还，继续使用，更加高效
            } catch (Exception var3) {
                throw new JedisException("Could not return the resource to the pool", var3);
            }
        }
    }

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public String get(String key) {
        try {
            return jedisClient.get(key);
        } catch (Exception e) {
            logger.error("get:{} have exception:{}", key, e);
            jedisClient.close(); //添加此行代码
        }
        return null;
    }

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        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>