@Component
public?class?JedisUtil?{

????@Autowired
????private?JedisPool?jedisPool;

????private?Jedis?getResource(){
????????return?jedisPool.getResource();
????}

????public?byte[]?set(byte[]?key,?byte[]?value)?{
????????Jedis?jedis=getResource();
????????try?{
????????????jedis.set(key,value);
????????????return?value;
????????}?finally?{
????????????jedis.close();
????????}
????}

????public?void?expire(byte[]?key,?int?value)?{
????????Jedis?jedis=getResource();
????????try?{
????????????jedis.expire(key,value);
????????}?finally?{
????????????jedis.close();
????????}
????}

????public?byte[]?get(byte[]?key)?{
????????Jedis?jedis=getResource();
????????try?{
????????????return?jedis.get(key);
????????}?finally?{
????????????jedis.close();
????????}
????}

????public?void?del(byte[]?key)?{
????????Jedis?jedis=getResource();
????????try?{
????????????jedis.del(key);
????????}?finally?{
????????????jedis.close();
????????}
????}

????public?Set<byte[]>?keys(String?shiro_session_perfix)?{
????????Jedis?jedis=getResource();
????????try?{
????????????return?jedis.keys((shiro_session_perfix+"*").getBytes());
????????}?finally?{
????????????jedis.close();
????????}
????}
}

public?class?RedisSessionDao?extends?AbstractSessionDAO?{

????private?final?String?SHIRO_SESSION_PERFIX?=?"shiro-session";

????@Autowired
????private?JedisUtil?jedisUtil;

Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.study.shiro.util.JedisUtil' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}