使用jpa做增刪改查的時候出現了這個異常，原因是轉化成json的時候，fasterxml.jackson將對象轉換為json報錯，發現有字段為null
解決方案：實體類上添加 @JsonIgnoreProperties(value = { "hibernateLazyInitializer"})
No serializer found for class org.hibernate.proxy.pojo.bytebuddy.ByteBuddyInterceptor
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【hibernate 報錯】No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer 【get和load的區別】
異常處理：No serializer found for class org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer
HttpMessageNotWritableException: Could not write JSON: No serializer found for class ****
Attempted to serialize java.lang.Class: org.hibernate.proxy.HibernateProxy. Forgot to register a type adapter?
Attempted to serialize java.lang.Class: org.hibernate.proxy.HibernateProxy. Forgot to register a type adapter?
com.fasterxml.jackson.databind.JsonMappingException: No serializer found for class
com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class
Caused by: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class org.apache.catalina.connector.CoyoteWriter and no properties discovered to create BeanSerializer
jpa 解決org.hibernate.lazyinitializationexception could not initialize proxy - no session
No serializer found for class com.bean.user and no properties discovered to create BeanSerializer