【SpringBoot整合Redis已解决】 Cannot serialize； nested exception is org.springframework.core.serializer.sup

迈不过友情╰ 2024-03-22 08:51 55阅读 0赞

> 介绍
> 
> 这里是小编成长之路的历程，也是小编的学习之路。希望和各位大佬们一起成长！
> 
> 以下为小编最喜欢的两句话：
> 
> 要有最朴素的生活和最遥远的梦想，即使明天天寒地冻，山高水远，路远马亡。
> 
> 一个人为什么要努力？ 我见过最好的答案就是：因为我喜欢的东西都很贵，我想去的地方都很远，我爱的人超完美。因此，小编想说：共勉！

## 问题描述： ##

序列化错误，想要我在实体类序列化一下，但是其实redis本来就是有序列化的封装类

Cannot serialize; nested exception is org.springframework.core.serializer.support.SerializationFailedException: Failed to serialize object using DefaultSerializer; nested exception is java.lang.IllegalArgumentException: DefaultSerializer requires a Serializable payload but received an object of type [com.lyn.pojo.GoodsShopcar]
        at org.springframework.data.redis.serializer.JdkSerializationRedisSerializer.serialize(JdkSerializationRedisSerializer.java:96)
        at org.springframework.data.redis.core.AbstractOperations.rawHashValue(AbstractOperations.java:186)
        at org.springframework.data.redis.core.DefaultHashOperations.put(DefaultHashOperations.java:251)
        at com.lyn.utlis.RedisUtil.hset(RedisUtil.java:237)
        at com.lyn.controller.CartTwoController.addToCart(CartTwoController.java:30)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
        at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150)
        at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)
        at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)
        at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1072)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:965)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
        at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:555)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
        at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
        at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
        at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
        at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:389)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:926)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
        at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
        at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:748)
    Caused by: org.springframework.core.serializer.support.SerializationFailedException: Failed to serialize object using DefaultSerializer; nested exception is java.lang.IllegalArgumentException: DefaultSerializer requires a Serializable payload but received an object of type [com.lyn.pojo.GoodsShopcar]
        at org.springframework.core.serializer.support.SerializingConverter.convert(SerializingConverter.java:64)
        at org.springframework.core.serializer.support.SerializingConverter.convert(SerializingConverter.java:33)
        at org.springframework.data.redis.serializer.JdkSerializationRedisSerializer.serialize(JdkSerializationRedisSerializer.java:94)
        ... 54 more
    Caused by: java.lang.IllegalArgumentException: DefaultSerializer requires a Serializable payload but received an object of type [com.lyn.pojo.GoodsShopcar]
        at org.springframework.core.serializer.DefaultSerializer.serialize(DefaultSerializer.java:43)
        at org.springframework.core.serializer.Serializer.serializeToByteArray(Serializer.java:56)
        at org.springframework.core.serializer.support.SerializingConverter.convert(SerializingConverter.java:60)
        ... 56 more

## 解决方法： ##

小编是因为在util中使用到 RedisTemplate，但是并没有用到redis序列化所以才会报上述错误

![9851698c40ea46b78e720faee0c5646a.png][]

在util中或者config中加入redisconfig，实现redis序列化

@SpringBootConfiguration
    public class RedisConfig {
    
        @Bean
        public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
            RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
            redisTemplate.setConnectionFactory(redisConnectionFactory);
            //创建一个json的序列化对象
            GenericJackson2JsonRedisSerializer jackson2JsonRedisSerializer = new GenericJackson2JsonRedisSerializer();
            //设置value的序列化方式json
            redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
            //设置key序列化方式String
            redisTemplate.setKeySerializer(new StringRedisSerializer());
            //设置hash key序列化方式String
            redisTemplate.setHashKeySerializer(new StringRedisSerializer());
            //设置hash value序列化json
            redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
            // 设置支持事务
            redisTemplate.setEnableTransactionSupport(true);
            redisTemplate.afterPropertiesSet();
            return redisTemplate;
        }
    
        @Bean
        public RedisSerializer<Object> redisSerializer() {
            //创建JSON序列化器
            ObjectMapper objectMapper = new ObjectMapper();
            objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
            //必须设置，否则无法将JSON转化为对象，会转化成Map类型
            objectMapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);
            return new GenericJackson2JsonRedisSerializer(objectMapper);
        }
    
    }

再在redisutil中引入的时候就可以使用到@Autowired，不然没有序列化使用@Autowired

就会冒红

下面的代码是一位大佬写的redisutil

import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.data.redis.core.RedisTemplate;
    import org.springframework.stereotype.Component;
    import org.springframework.util.CollectionUtils;
    
    import javax.annotation.Resource;
    import java.util.Collection;
    import java.util.List;
    import java.util.Map;
    import java.util.Set;
    import java.util.concurrent.TimeUnit;
    
    //  封装 RedisTemplate的一些操作 RedisUtil
    @Component
    public final class RedisUtil {
    
        @Autowired
        private RedisTemplate<String, Object> redisTemplate;
        
        // =============================common============================
        /**
         * 指定缓存失效时间
         * @param key  键
         * @param time 时间(秒)
         */
        public boolean expire(String key, long time) {
            try {
                if (time > 0) {
                    redisTemplate.expire(key, time, TimeUnit.SECONDS);
                }
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
        /**
         * 根据key 获取过期时间
         * @param key 键 不能为null
         * @return 时间(秒) 返回0代表为永久有效
         */
        public long getExpire(String key) {
            return redisTemplate.getExpire(key, TimeUnit.SECONDS);
        }
    
    
        /**
         * 判断key是否存在
         * @param key 键
         * @return true 存在 false不存在
         */
        public boolean hasKey(String key) {
            try {
                return redisTemplate.hasKey(key);
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
    
        /**
         * 删除缓存
         * @param key 可以传一个值 或多个
         */
        @SuppressWarnings("unchecked")
        public void del(String... key) {
            if (key != null && key.length > 0) {
                if (key.length == 1) {
                    redisTemplate.delete(key[0]);
                } else {
                    redisTemplate.delete((Collection<String>) CollectionUtils.arrayToList(key));
                }
            }
        }
    
    
        // ============================String=============================
    
        /**
         * 普通缓存获取
         * @param key 键
         * @return 值
         */
        public Object get(String key) {
            return key == null ? null : redisTemplate.opsForValue().get(key);
        }
        
        /**
         * 普通缓存放入
         * @param key   键
         * @param value 值
         * @return true成功 false失败
         */
    
        public boolean set(String key, Object value) {
            try {
                redisTemplate.opsForValue().set(key, value);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
    
        /**
         * 普通缓存放入并设置时间
         * @param key   键
         * @param value 值
         * @param time  时间(秒) time要大于0 如果time小于等于0 将设置无限期
         * @return true成功 false 失败
         */
    
        public boolean set(String key, Object value, long time) {
            try {
                if (time > 0) {
                    redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
                } else {
                    set(key, value);
                }
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
    
        /**
         * 递增
         * @param key   键
         * @param delta 要增加几(大于0)
         */
        public long incr(String key, long delta) {
            if (delta < 0) {
                throw new RuntimeException("递增因子必须大于0");
            }
            return redisTemplate.opsForValue().increment(key, delta);
        }
    
    
        /**
         * 递减
         * @param key   键
         * @param delta 要减少几(小于0)
         */
        public long decr(String key, long delta) {
            if (delta < 0) {
                throw new RuntimeException("递减因子必须大于0");
            }
            return redisTemplate.opsForValue().increment(key, -delta);
        }
    
    
        // ================================Map=================================
    
        /**
         * HashGet
         * @param key  键 不能为null
         * @param item 项 不能为null
         */
        public Object hget(String key, String item) {
            return redisTemplate.opsForHash().get(key, item);
        }
    
        /**
         * 获取所有给定字段的值
         * author: xu
         * @param key
         * @return
         */
        public Map<Object, Object> hgetall(String key) {
            return redisTemplate.opsForHash().entries(key);
        }
    
    
        /**
         * 获取hashKey对应的所有键值
         * @param key 键
         * @return 对应的多个键值
         */
        public Map<Object, Object> hmget(String key) {
            return redisTemplate.opsForHash().entries(key);
        }
        
        /**
         * HashSet
         * @param key 键
         * @param map 对应多个键值
         */
        public boolean hmset(String key, Map<String, Object> map) {
            try {
                redisTemplate.opsForHash().putAll(key, map);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
    
        /**
         * HashSet 并设置时间
         * @param key  键
         * @param map  对应多个键值
         * @param time 时间(秒)
         * @return true成功 false失败
         */
        public boolean hmset(String key, Map<String, Object> map, long time) {
            try {
                redisTemplate.opsForHash().putAll(key, map);
                if (time > 0) {
                    expire(key, time);
                }
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
    
        /**
         * 向一张hash表中放入数据,如果不存在将创建
         *
         * @param key   键
         * @param item  项
         * @param value 值
         * @return true 成功 false失败
         */
        public boolean hset(String key, String item, Object value) {
            try {
                redisTemplate.opsForHash().put(key, item, value);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
        /**
         * 向一张hash表中放入数据,如果不存在将创建
         *
         * @param key   键
         * @param item  项
         * @param value 值
         * @param time  时间(秒) 注意:如果已存在的hash表有时间,这里将会替换原有的时间
         * @return true 成功 false失败
         */
        public boolean hset(String key, String item, Object value, long time) {
            try {
                redisTemplate.opsForHash().put(key, item, value);
                if (time > 0) {
                    expire(key, time);
                }
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
    
        /**
         * 删除hash表中的值
         *
         * @param key  键 不能为null
         * @param item 项 可以使多个 不能为null
         */
        public void hdel(String key, Object... item) {
            redisTemplate.opsForHash().delete(key, item);
        }
    
    
        /**
         * 判断hash表中是否有该项的值
         *
         * @param key  键 不能为null
         * @param item 项 不能为null
         * @return true 存在 false不存在
         */
        public boolean hHasKey(String key, String item) {
            return redisTemplate.opsForHash().hasKey(key, item);
        }
    
    
        /**
         * hash递增 如果不存在,就会创建一个 并把新增后的值返回
         *
         * @param key  键
         * @param item 项
         * @param by   要增加几(大于0)
         */
        public double hincr(String key, String item, double by) {
            return redisTemplate.opsForHash().increment(key, item, by);
        }
    
    
        /**
         * hash递减
         *
         * @param key  键
         * @param item 项
         * @param by   要减少记(小于0)
         */
        public double hdecr(String key, String item, double by) {
            return redisTemplate.opsForHash().increment(key, item, -by);
        }
    
    
        // ============================set=============================
    
        /**
         * 根据key获取Set中的所有值
         * @param key 键
         */
        public Set<Object> sGet(String key) {
            try {
                return redisTemplate.opsForSet().members(key);
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }
    
    
        /**
         * 根据value从一个set中查询,是否存在
         *
         * @param key   键
         * @param value 值
         * @return true 存在 false不存在
         */
        public boolean sHasKey(String key, Object value) {
            try {
                return redisTemplate.opsForSet().isMember(key, value);
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
    
        /**
         * 将数据放入set缓存
         *
         * @param key    键
         * @param values 值 可以是多个
         * @return 成功个数
         */
        public long sSet(String key, Object... values) {
            try {
                return redisTemplate.opsForSet().add(key, values);
            } catch (Exception e) {
                e.printStackTrace();
                return 0;
            }
        }
    
    
        /**
         * 将set数据放入缓存
         *
         * @param key    键
         * @param time   时间(秒)
         * @param values 值 可以是多个
         * @return 成功个数
         */
        public long sSetAndTime(String key, long time, Object... values) {
            try {
                Long count = redisTemplate.opsForSet().add(key, values);
                if (time > 0)
                    expire(key, time);
                return count;
            } catch (Exception e) {
                e.printStackTrace();
                return 0;
            }
        }
    
    
        /**
         * 获取set缓存的长度
         *
         * @param key 键
         */
        public long sGetSetSize(String key) {
            try {
                return redisTemplate.opsForSet().size(key);
            } catch (Exception e) {
                e.printStackTrace();
                return 0;
            }
        }
    
    
        /**
         * 移除值为value的
         *
         * @param key    键
         * @param values 值 可以是多个
         * @return 移除的个数
         */
    
        public long setRemove(String key, Object... values) {
            try {
                Long count = redisTemplate.opsForSet().remove(key, values);
                return count;
            } catch (Exception e) {
                e.printStackTrace();
                return 0;
            }
        }
    
        // ===============================list=================================
        
        /**
         * 获取list缓存的内容
         *
         * @param key   键
         * @param start 开始
         * @param end   结束 0 到 -1代表所有值
         */
        public List<Object> lGet(String key, long start, long end) {
            try {
                return redisTemplate.opsForList().range(key, start, end);
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }
    
    
        /**
         * 获取list缓存的长度
         *
         * @param key 键
         */
        public long lGetListSize(String key) {
            try {
                return redisTemplate.opsForList().size(key);
            } catch (Exception e) {
                e.printStackTrace();
                return 0;
            }
        }
    
    
        /**
         * 通过索引 获取list中的值
         *
         * @param key   键
         * @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
         */
        public Object lGetIndex(String key, long index) {
            try {
                return redisTemplate.opsForList().index(key, index);
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }
    
    
        /**
         * 将list放入缓存
         *
         * @param key   键
         * @param value 值
         */
        public boolean lSet(String key, Object value) {
            try {
                redisTemplate.opsForList().rightPush(key, value);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
    
        /**
         * 将list放入缓存
         * @param key   键
         * @param value 值
         * @param time  时间(秒)
         */
        public boolean lSet(String key, Object value, long time) {
            try {
                redisTemplate.opsForList().rightPush(key, value);
                if (time > 0)
                    expire(key, time);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
    
        }
    
    
        /**
         * 将list放入缓存
         *
         * @param key   键
         * @param value 值
         * @return
         */
        public boolean lSet(String key, List<Object> value) {
            try {
                redisTemplate.opsForList().rightPushAll(key, value);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
    
        }
    
    
        /**
         * 将list放入缓存
         *
         * @param key   键
         * @param value 值
         * @param time  时间(秒)
         * @return
         */
        public boolean lSet(String key, List<Object> value, long time) {
            try {
                redisTemplate.opsForList().rightPushAll(key, value);
                if (time > 0)
                    expire(key, time);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
        /**
         * 根据索引修改list中的某条数据
         *
         * @param key   键
         * @param index 索引
         * @param value 值
         * @return
         */
    
        public boolean lUpdateIndex(String key, long index, Object value) {
            try {
                redisTemplate.opsForList().set(key, index, value);
                return true;
            } catch (Exception e) {
                e.printStackTrace();
                return false;
            }
        }
    
        /**
         * 移除N个值为value
         *
         * @param key   键
         * @param count 移除多少个
         * @param value 值
         * @return 移除的个数
         */
    
        public long lRemove(String key, long count, Object value) {
            try {
                Long remove = redisTemplate.opsForList().remove(key, count, value);
                return remove;
            } catch (Exception e) {
                e.printStackTrace();
                return 0;
            }
    
        }
    
    }

以上就是小编所实践的内容，希望能够帮助到大家，感谢各位大佬的观看！！！

[9851698c40ea46b78e720faee0c5646a.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/22/3cadffd240354ac7a0e9ee738f0424af.png

【SpringBoot整合Redis已解决】 Cannot serialize； nested exception is org.springframework.core.serializer.sup

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