I’ve been using org.json for all my parsing needs in the past but now I’m deploying to a websphere application server v 7.0.0.22 which runs java 6 and I’m seeing unsupported exceptions indicating the …
Tag: json
Check if JSON is valid in JAVA using Jackson
I have a JSON string which I am storing it in DB as a string. In front-end, I am rendering this JSON as object. I am using: String : Is there any way I can check If JSON is valid or not in JAVA? One thing to be noted here is that, I don’t have a schema defined for JSON
Java 8 LocalDate Jackson format
For java.util.Date when I do then in JSON request when I send it works. How should I do this for Java 8’s LocalDate field?? I tried having It didn’t work. Can someone please let me know what’s the right way to do this.. Below are dependencies Answer I was never able to get this to work simpl…
“Could not find acceptable representation” using spring-boot-starter-web
I am trying to use spring-boot-starter-web to create a rest service serving up JSON representations of Java objects. From what I understand this boot-starter-web jar is supposed to handle the conversion to JSON through Jackson automatically but I am instead getting this error. My Controller is this… My …
“Expected BEGIN_OBJECT but was STRING at line 1 column 1”
I have this method: And I want to parse a JSON with: But I get an error message: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was STRING at line 1 column 1 Answer Even without seeing your JSON string you can tell from the error message that it is not the corr…
JSONPath resolver for Java objects
How can I get a value from an Java object instead from a JSON string by applying a JSONPath expression? I receive a Java object that is created from a JSON string (via Jackson, no way to influence it): I further have some JSONPath expressions as Java Strings reflecting values in the object (they might be much…
GSON Integer to Boolean for Specific Fields
I’m dealing with an API that sends back integers (1=true, other=false) to represent booleans. I’ve seen this question and answer, but I need to be able to specify which field this should apply to, since some times an integer is actually an integer. EDIT: The incoming JSON could possibly look like …
How to construct a custom JSON error response using the Struts 2 framework
I am working on creating a web application using Struts 2. I want to send out JSON error response like the below when the request URL is not well formed: I am already using the struts2-json plugin for serializing response objects using JSON. How should I go about sending JSON error responses. I can think of t…
How to load JSON Schema file from java
My Project is a maven project and inside resources folder – src/main/resources folder I have a json schema file – “jsonschema.json ” package : src/main/resources file : jsonschema.json Now i want to validate my jsonobject with json schema How to load the schema.json file in to the code…
How to map a map JSON column to Java Object with JPA
We have a big table with a lot of columns. After we moved to MySQL Cluster, the table cannot be created because of: ERROR 1118 (42000): Row size too large. The maximum row size for the used table type, not counting BLOBs, is 14000. This includes storage overhead, check the manual. You have to change some colu…