I have this REST response: And this POJO: I’m using Spring RestTemplate with MappingJackson2HttpMessageConverter. With response above, prevValue is deserialized as a String like 1.0104401E7, in scientific notation. I want it to be deserialized without scientific notation. Is there a way to do this using…
Tag: json
How can I access values in a scala.collection.mutable.WrappedArray of WrappedArray’s in java
I am parsing a json file in SparkSQL in JAVA and I need to be able to access coordinates that are returned in what appears to be a WrappedArray of WrappedArrays. Here is the code: OUTPUT: WrappedArray(WrappedArray(30.74806, 40.79944)) file.json Answer Spark SQL Row has getList method, that returns a Java list…
valid JSON response issue [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 7 years ago. Improve this question I hav…
Unexpected character (“) at position 2 JSON Parser (Java)
Here is my JSON File beginning: And here is my Parser: I am trying to parse through this JSONfile using a FileReader and JSON and JSON-Simple libraries. I think my format of my JSON file is correct but I don’t know how to get past this error: Answer Your JSON is not correct. Kindly check It should be so…
jsonschema and date type
I’m just getting started with jsonschema and an example under “Using jsonschema2pojo within your Java project (embedded)” in https://github.com/joelittlejohn/jsonschema2pojo/wiki/Getting-Started having in mind data types of jsonschema listed here https://developers.google.com/discovery/v1/ty…
Jackson Not Overriding Getter with @JsonProperty
JsonProperty isn’t overriding the default name jackson gets from the getter. If I serialize the class below with ObjectMapper and jackson I get As you can see the JsonProperty annotation has no effect Putting @JsonProperty on the String itself doesn’t work either. The only way it seems that I can …
Logging JSON-RPC calls using jsonrpc4j
I’m sure that if you have used jsonrpc4j (outside a spring container) you will recognise the following standard pattern. I am trying to create a log file containing all the JSON requests and JSON responses. i.e. I’d like to log the incoming JSON RPC request before it is deserialised and log the ou…
Resolve DBRef into Json
I’m getting the following error in a Normalized Data Model structure in MongoDB: It’s caused by this line: Specifically the toJson() part. I have a DBRef Object in my Document, so I can reference a Document from another Collection. An Embedded Document Structure is not option. So how can I fix thi…
JSON Error “java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1 path $”
This create Exception Big thanks for help. Answer Let’s look at the error you are receiving. Expected BEGIN_OBJECT Your JSON is an object, and all JSON objects are enclosed in curly braces ({}). BEGIN_OBJECT is therefore {. And it’s expecting it somewhere. but was STRING But instead he found a str…
How to de/serialize an immutable object without default constructor using ObjectMapper?
I want to serialize and deserialize an immutable object using com.fasterxml.jackson.databind.ObjectMapper. The immutable class looks like this (just 3 internal attributes, getters and constructors): However when I run this unit test: I get this exception: This exception asks me to create a default constructor…