org.springframework.http.converter.HttpMessageNotReadableException:
JSON parse error: Cannot deserialize value of type `java.util.Date` from String “NULL”: not a valid representation
(error: Failed to parse Date value ‘NULL’: Unparseable date: “NULL”);
nested exception is com.fasterxml.jackson.databind.exc.InvalidFormatException: Cannot deserialize value of type `java.util.Date` from String “NULL”: not a valid representation (error: Failed to parse Date value ‘NULL’: Unparseable date: “NULL”)
at [Source: (PushbackInputStream); line: 16, column: 14] (through reference chain: com.starsaiot.battery.entity.PledgeOrder[“payTime”])
=====================================================

I encountered this problem in a project where the front-end and back-end are separated
The front-end input data is “payTime”: “NULL”,
“tradeNum”: “null”,
“updateTime”: “2021-08-17 16:39:50”,
“updated”: “null”,
The console reports this error
====================================================
The reason for the error: the type of payTime is not correct, this capital NULL is the data I copied from the database and put in every too much attention, it should be consistent with the following null.

Read More:

• [Solved] org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot
• [Solved] SpringBoot Error: org.springframework.http.converter.HttpMessageNotReadableException
• Fastjson Error: Error: Cannot create inner bean ‘org.springframework.http.converter.json.MappingJackson2HttpMessageConverter
• [Solved] HttpMessageNotReadableException: JSON parse error: Unrecognized field “xxxx“
• [Solved] Feign Call Port Error: HttpMessageNotReadableException：JSON parse error：Illegal character ((CTRL-CHAR, code 31)
• [Solved] org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class
• [Solved] org.springframework.context.ApplicationContextException: Failed to start bean ‘org.springframework.a
• [Solved] java.lang.IllegalAccessError: class org.springframework.data.redis.core.$ Proxy237 cannot access its superinterface org.springframework.data.redis.core.RedisConnectionUtils$RedisConnectionProxy
• [Solved] ERROR org.springframework.boot.SpringApplication – Application run failed org.yaml.snakeyaml.scanner
• [Solved] org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘org
• [Solved] JSON parse error: Cannot deserialize instance of `java.util.ArrayList＜..＞ out of START_OBJECT token;
• [Solved] ApiPost Error: org.springframework.web.multipart.MultipartException
• [Solved] SpringBoot Date Convert Error: JSON parse error: Cannot deserialize value of type `java.time.LocalDateTime`
• [Solved] JSON parse error: Cannot construct instance of
• JSON parse error: invalid UTF-8 solution series [How to Solve]
• [Solved] org.springframework.beans.factory.UnsatisfiedDependencyException
• org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘testApplicat
• [Solved] Error processing condition on org.springframework.boot.autoconfigure.context.PropertyPlaceholderA
• [Solved] Classnotfoundexception: org.springframework.core.nativedetector error
• [Solved] org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name