本文主要是介绍Redis的incr命令引发的反序列化异常和ERR value is not an integer or out of range异常，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
在Java中使用inc命令的时候发现redis中的值被反序列化后居然不是数字,检查后发现可能是序列化器没对,在redis配置的地方将序列化器设置为
Jackson2JsonRedisSerializer后使用整成,贴上代码
@Bean(name = "RedisTemplate")@SuppressWarnings("all")public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();template.setConnectionFactory(factory);//使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);ObjectMapper om = new ObjectMapper();// 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和publicom.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);// value序列化方式采用jacksontemplate.setValueSerializer(jackson2JsonRedisSerializer);// hash的key也采用String的序列化方式template.setHashKeySerializer(stringRedisSerializer);// hash的value序列化方式采用jacksontemplate.setHashValueSerializer(jackson2JsonRedisSerializer);template.afterPropertiesSet();return template;}完整的配置类
package com.base.config;import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import org.springframework.cache.CacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.*;import java.io.*;/*** Created by IntelliJ IDEA.* 自定义RedisTemplate配置** @Description:* @author: JayZhou* @Date: 2020/5/28* @Time: 16:26* To change this template use File | Settings | File Templates.*/
@Configuration
public class RedisAutoConfiguration {@Bean(name = "RedisTemplate")@SuppressWarnings("all")public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();template.setConnectionFactory(factory);//使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);ObjectMapper om = new ObjectMapper();// 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和publicom.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);// value序列化方式采用jacksontemplate.setValueSerializer(jackson2JsonRedisSerializer);// hash的key也采用String的序列化方式template.setHashKeySerializer(stringRedisSerializer);// hash的value序列化方式采用jacksontemplate.setHashValueSerializer(jackson2JsonRedisSerializer);template.afterPropertiesSet();return template;}@Bean(name = "ByteRedisTemplate")@SuppressWarnings("all")public RedisTemplate<String, Object> byteRedisTemplate(RedisConnectionFactory factory) {RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();template.setConnectionFactory(factory);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，自定义ObjectRedisSerializertemplate.setValueSerializer(new ObjectRedisSerializer());// hash的value序列化方式采用，自定义ObjectRedisSerializertemplate.setHashValueSerializer(new ObjectRedisSerializer());template.afterPropertiesSet();return template;}/*** 自定义序列化策略*/static class ObjectRedisSerializer implements RedisSerializer<Object> {@Overridepublic byte[] serialize(Object o) throws SerializationException {ByteArrayOutputStream byteOut = new ByteArrayOutputStream();ObjectOutputStream objOut;try {objOut = new ObjectOutputStream(byteOut);objOut.writeObject(o);} catch (IOException e) {e.printStackTrace();}return byteOut.toByteArray();}@Overridepublic Object deserialize(byte[] bytes) throws SerializationException {if (bytes == null) return null;ByteArrayInputStream byteIn = new ByteArrayInputStream(bytes);ObjectInputStream objIn;Object obj;try {objIn = new ObjectInputStream(byteIn);obj = objIn.readObject();} catch (IOException | ClassNotFoundException e) {e.printStackTrace();return null;}return obj;}}/*** 解决jdk1.8中新时间API的序列化时出现com.fasterxml.jackson.databind.exc.InvalidDefinitionException的问题*/@Beanpublic ObjectMapper serializingObjectMapper() {ObjectMapper objectMapper = new ObjectMapper();objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);objectMapper.registerModule(new JavaTimeModule());return objectMapper;}@Beanpublic CacheManager cacheManager(RedisConnectionFactory factory) {RedisSerializer<String> redisSerializer = new StringRedisSerializer();Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);//解决查询缓存转换异常的问题ObjectMapper om = new ObjectMapper();om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);jackson2JsonRedisSerializer.setObjectMapper(om);// 配置序列化（解决乱码的问题）RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()//.entryTtl(timeToLive).serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer)).serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer)).disableCachingNullValues();return RedisCacheManager.builder(factory).cacheDefaults(config).build();}}
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