I am trying to use Spring to deserialize incoming JSON objects. I have the following class: public class ContentRequestMessage { private String type; private String messageId; private String topicArn; /** * Message contents: * * "Message" : "{"location": "/interactments/d2734-9304cceb7c3a", "status":…
I am trying to develop a social network in Angular and Spring. I have users and they can follow eachother. My User class looks something like this. public class User { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long userId; @OneToMany(mappedBy =…
I am getting a duplicate key error from the database (MySQL) for the scenario I have explained below. Background I need to save an entity to my database, but the entity id is not managed/generated by my system, so it…
Trying to delete multiple row of DynamoDB. Querying only on one table of DynamoDB.On basis the of Partition key, its returning 2 values as output, which is save in list. Now after deleting this value using BatchDelete only first element…
I am using Spring boot with Mysql. I have implemented Datasource and defined properties in application.xml file. I have a long running query: @Query(value - "select sleep(10)", nativeQuery=true) public void test(); in JPA repository methods. I want to implement query…
I'm using Spring boot, and I Run this model. package com.example.demo.Models; import jakarta.persistence.*; @Entity @Table(name = "user") public class UserModel { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Column(unique = true, nullable = true) private Long id; private String name; private String email;…
I have a small Java Springboot backend and a mySQL database. The data class for the objects to be saved in the database looks as follows: @Entity public class Product { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private int id; private String…
Question: How can I get spring data to save a "getter" as a mongodb field? Context: The Score java object has a 'getAverageFare()' method that performs calculations Another object (i.e which implements @Document) has Score as a field The goal:…
I am creating a simple Java/Gradle/Spring application. I am working on Dockerizing the app. When I run the app locally without docker, it properly uses the values in my application.yml file. However, when I run the Docker image, it doesn't…
i have a PATCH mapping method that currently accepts a Map<String, Object> as @ResponseBody, because i've seen ReflectionUtils as one of ways to implement the PatchMapping, but when I want to pass for example String, Integer and Long, then JSON…