SpringBoot整合Redis报错java.lang.NullPointerException

睿达君 分类:Java

package com.bulldozer.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
* redis配置类
* @author Abbott.liu
* @date 2021年5月7日
*/
@Configuration
public class RedisConfig {

@Bean
@SuppressWarnings("all")

public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {

RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();

template.setConnectionFactory(factory);

Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);

ObjectMapper om = new ObjectMapper();

om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);

om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);

jackson2JsonRedisSerializer.setObjectMapper(om);

StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();

// key采用String的序列化方式

template.setKeySerializer(stringRedisSerializer);

// hash的key也采用String的序列化方式

template.setHashKeySerializer(stringRedisSerializer);

// value序列化方式采用jackson

template.setValueSerializer(jackson2JsonRedisSerializer);

// hash的value序列化方式采用jackson

template.setHashValueSerializer(jackson2JsonRedisSerializer);

template.afterPropertiesSet();

return template;

}

}

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