Pritam Banerjee :
I have a RedisConfig like this:
@Configuration
@EnableRedisRepositories
@EnableRedisHttpSession
@ComponentScan("com.where.redis.config.is")
public class RedisConfig {
/**
* Lettuce Connection Factory
*
* @return Lettuce Connection Factory
*/
@Bean
public LettuceConnectionFactory lettuceConnectionFactory() {
LettuceClientConfiguration clientConfig = LettuceClientConfiguration.builder()
.readFrom(ReadFrom.REPLICA_PREFERRED).build();
String host = System.getenv("REDIS_HOST") != null ? System.getenv("REDIS_HOST")
: "localhost";
RedisStandaloneConfiguration serverConfig = new RedisStandaloneConfiguration(host,
6379);
return new LettuceConnectionFactory(serverConfig, clientConfig);
}
/**
* Redis Template
*
* @return redisTemplate
*/
@Bean
public RedisTemplate<Object,Object> redisTemplate() {
RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();
redisTemplate.setConnectionFactory(lettuceConnectionFactory());
return redisTemplate;
}
/**
* Redis String Template
*
* @return redisStringTemplate redis String Template
*/
@Bean(name = "redisStringTemplate")
@Primary
public RedisTemplate<String, String> redisStringTemplate() {
RedisTemplate<String, String> redisStringTemplate = new RedisTemplate<>();
redisStringTemplate.setConnectionFactory(lettuceConnectionFactory());
JdkSerializationRedisSerializer jdkSerializationRedisSerializer
= new JdkSerializationRedisSerializer();
RedisSerializer<String> stringSerializer = new StringRedisSerializer();
redisStringTemplate.setKeySerializer(stringSerializer);
redisStringTemplate.setHashKeySerializer(stringSerializer);
redisStringTemplate.setValueSerializer(jdkSerializationRedisSerializer);
redisStringTemplate.setHashValueSerializer(jdkSerializationRedisSerializer);
redisStringTemplate.setEnableTransactionSupport(true);
redisStringTemplate.afterPropertiesSet();
return redisStringTemplate;
}
/**
* Configure Redis Action
*
* @return Redis Configure Action
*/
@Bean
public ConfigureRedisAction configureRedisAction() {
return ConfigureRedisAction.NO_OP;
}
}
And then I am trying to use it in a class like this:
public class Someclass {
private static Long TIMEOUT = 60L;
/** Inject the actual template */
@Autowired
private RedisTemplate<String, String> redisStringTemplate;
/**
* Stores a User in redis.
*
* @param user Exavault User
*/
private void cacheUser(ExavaultUser user) {
redisStringTemplate.expire(REDIS_KEY, TIMEOUT, TimeUnit.MINUTES);
redisStringTemplate.afterPropertiesSet();
redisStringTemplate.opsForHash().put(REDIS_KEY, user.getUsername(),
user.getAccessToken());
}
}
I start the app as follows:
@SpringBootApplication
@EnableScheduling
@ComponentScan(basePackages = "com.where.all.java.code.is")
public class SchedulingTasksApplication {
public static void main(String[] args) {
ApplicationContext applicationContext =
SpringApplication.run(SchedulingTasksApplication.class, args);
}
}
What am I missing here?
backdoor :
The class in which you want to use @Autowired does not have a Spring annotation. Add one of the following annotatons to the class: @Component, @Repository, @Service, @Controller, @Configuration.
Also, The package is must be inside the ComponentScan search path. Move the package to a scanned location or configure the ComponentScan to fix this.
@Component
public class Someclass {
private static Long TIMEOUT = 60L;
/** Inject the actual template */
@Autowired
private RedisTemplate<String, String> redisStringTemplate;
/**
* Stores a User in redis.
*
* @param user Exavault User
*/
private void cacheUser(ExavaultUser user) {
redisStringTemplate.expire(REDIS_KEY, TIMEOUT, TimeUnit.MINUTES);
redisStringTemplate.afterPropertiesSet();
redisStringTemplate.opsForHash().put(REDIS_KEY, user.getUsername(),
user.getAccessToken());
}
}
Also, @dassum has added comment for the same.
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