I am trying to setup project with simple post route: The application should accept invoices in XML format, convert them and send them to an external system. First I just want to accept the input string and print it. Error I am getting: I am using Java 11. Any suggestions? It seams like a libraries clash. Answ…
Tag: jackson
Null Values are assigned as values for a list in POJO SpringBoot/Java
I have a POJO that will be reading the data from a Kafka Consumer. I have a couple of list objects inside it and I am not able to understand the Null behavior of it EmployeeEBO.java AssignedWorkEBO.java So I am trying to Check whether the data from kafka is Empty/Null condition for the AssignedWorkEBO and it …
Spring with Jackson set JsonAutoDetect globally
In my spring boot web application, I want to serialize many different classes to JSON when I return them from the function of a request mapping. These classes only contain private fields without getters. In order for Jackson to serialize these private fields I can annotate all those classes with the following…
Different @JsonProperty config for READ and WRITE on same field?
I have a class (which cannot be modified) like When deserializing I get data like: As I cannot modify the Standing class I have a mix-in like: As the received json does not have positionNumber and positionText fields I use the @JsonPropery annotations. With Access.READ_ONLY I simply ignore the positionNumber …
Jackson deserialize JSON into pojo with map property
Can somebody help me, how I can deserialize the following JSON, which I can not change? I am using Jackson for serialization. Columns can have unknown number of headers and their value eg. “Header1” is used in the rows array. So far I have the following structure: The problem is that the Map is em…
RestTemplate get list from specific json structure
The json is of this structure: I have a DTO of the form I want to parse the array into List and ignore data. This is the code: But I get this exception Answer I would suggest you changing your model as follows: And your test also:
Parse a json list into list of object Java
I have a response as follows I want to map this json to a POJO object and have created this class I am currently using this way to read this The size of events is 2 but each event is coming as null instead of a map. Can Someone please help me ? Answer To achieve your goal you have
Jackson module not registered after update from Spring Boot 2.4.x to 2.5.x [duplicate]
This question already has answers here: Spring Boot 2.5.0 and InvalidDefinitionException: Java 8 date/time type `java.time.Instant` not supported by default (4 answers) Closed 6 months ago. After updating my spring-boot-starter-parent version from 2.4.8 to 2.5.4, I started having this error with jackson seria…
Jackson serialize nested attribute with same name
Currently, I have a JSON response of the following type. I want to map my custom class to nested user attributes. But when I am trying to get the attribute, it is always sending null value. I think it is maping to first occurance of “user” in line no 2. How can I map it to correct user attribute i…
@JsonIdentityInfo serialization of items
I’m trying to serialize relations using @JsonItentityInfo to avoid circular references. I’ve created a test to try test the result of the serialization, and I’ve found that jackson is not behaving as I expected. The serialization in not what I though it would be and, in fact, when I try to d…