redis session问题 本地跑的好好的，一到线上就疯狂报异常，启动的时候就开始报。并且功能能正常使用

Question

环境 springboot 1.5.3 阿里云redis 4.0社区版
2021-12-17 13:52:38,465 WARN (RedisMessageListenerContainer.java:291)- Execution of message listener failed, and no ErrorHandler has been set.
org.springframework.data.redis.serializer.SerializationException: Could not read JSON: Unexpected character ('?' (code 172)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: [B@4e9c56cc; line: 1, column: 2]; nested exception is com.fasterxml.jackson.core.JsonParseException: Unexpected character ('?' (code 172)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: [B@4e9c56cc; line: 1, column: 2]
at org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer.deserialize(GenericJackson2JsonRedisSerializer.java:130)
at org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer.deserialize(GenericJackson2JsonRedisSerializer.java:109)
at org.springframework.session.data.redis.RedisOperationsSessionRepository.onMessage(RedisOperationsSessionRepository.java:503)
at org.springframework.data.redis.listener.RedisMessageListenerContainer.executeListener(RedisMessageListenerContainer.java:249)
at org.springframework.data.redis.listener.RedisMessageListenerContainer.processMessage(RedisMessageListenerContainer.java:239)
at org.springframework.data.redis.listener.RedisMessageListenerContainer$1.run(RedisMessageListenerContainer.java:967)
at java.lang.Thread.run(Thread.java:748)
Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('?' (code 172)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
at [Source: [B@4e9c56cc; line: 1, column: 2]
at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1702)
at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:558)
at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:456)
at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2689)
at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:878)
at com.fasterxml.jackson.core.json.UTF8StreamJsonParser.nextToken(UTF8StreamJsonParser.java:772)
at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3850)
at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3799)
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2945)
at org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer.deserialize(GenericJackson2JsonRedisSerializer.java:128)

Answer 1

json序列化的问题 看看生产环境从redis中取值的逻辑 找到对应的key 看看里面的值