I have a Spring boot application with Hibernate L2 cache enabled. I integrated Hazelcast as cache provider for Hibernate. My application runs on Kubernetes and
My backend setup has big issues with CORS on REST controllers. I tried to apply all sorts of filters, none of them work. This is my current CORS filter implemen
I am writing an API in Spring Boot that I want to secure using Keycloak. After doing some setting up, I managed to get the keycloak adapter to work. While I was
In the following example, there are 3 entities which have relations e.g. @ManyToMany, @OneToMany and @ManyToOne: Student: @Entity @Data public class Student {
I'm using Citrus for perform integration tests based on http requests. The test should perform steps as follows: Sending a POST http request to external service
I am using Spring boot 2.4.4, JDK 1.8, and created ScriptEngine as shown. Page loaded perfectly for the first time but the second time it throws the exception
Just to clearify this only occurs on M1 Mac, the intel version doesn't seem to have this problem. JDK 17 openjdk version "17.0.1" 2021-10-19 OpenJDK Runtime Env
I have a JSON file name abc.json Once I opened this file there is data like in square brackets. [{ "1" : "xxx", "20" : "ppp", "25" : "hhh" }] Here in this keys
I have 2 enums defined as below in 2 separate files: MyErrorCodes.java @Getter public enum MyErrorCodes implements ErrorCode { ERROR1(90, 1, 01), ERROR2
Two Spring boot (spring data jpa) Application A1 and Aplication A2 both read/write to a table named T1. T1 -> ID, data1, isDeleted columns My requirement is
I am using Flux<Document> in reactive, so as to make my Rest Service reactive. I am returning ResponseEntity<Flux<Document>> as response to my
I followed steps as mentioned in Azure ServiceBus JMS Sample with below properties spring.jms.servicebus.connection-string=Endpoint=sb://test-dt.servicebus.wind
This is regarding upgrading existing code base in production which uses windowing from kafka-clients,kafka-streams,spring-kafka 2.4.0 to 2.6.x and also upgradi
I want to save a GeoJSON to database by using Spring Boot and JPA Example JSON object: { "type": "FeatureCollection", "features": [ { "type":
I've created a Java Spring Boot service using the WebFlux reactive module, H2 in-memory database, and R2DBC reactive driver. When I run the service, it fails wi
I am using a spring boot application. I have multiple tables and using inner joins, I want to populate a temp table. Before populating, I have to truncate the t
I'm currently building server software in Java. I already have a running backend, which is build with Spring Boot. It has an REST interface to read and write da
I'm trying to write a simple API application to read data from HBase on an AWS EMR cluster. But I get an UnknownHostException when I try to send the reques
I am new to Spring boot and I want to be able to delete the value of a forgein key if its entity is removed without deleting the whole entity linked to it; I ex
I've changed the way a user is authenticated in my backend. From now on I am receiving JWT tokens from Firebase which are then validated on my Spring Boot serve
elasticsearch-plugin