org.springframework.web.client.HttpClientErrorException: 404 Not Found

原因1：mediaTypeError(ContentType)

原因2：server端出現錯誤（json的key不能為null）

com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of java.lang.String out of START_OBJECT token

bean 不能被反序列化

Can not deserialize instance of java.util.ArrayList out of START_OBJECT token

ACCEPT_SINGLE_VALUE_AS_ARRAY設定

com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of java.lang.String out of START_OBJECT token

org.springframework.web.client.HttpClientErrorException: 406 Not Acceptable

jackson-core、jackson-databind、mediaType不一致(ContentType)

Web Service 問題點總結