reactjs – Getting Axios from React to Work with Spring Boot + Spring Boot Security

I have created a react app with a spring boot backend but I’m having trouble pulling the data through with axios. I have checked numerous SO posts as well as documentation with spring to no avail. I was initially blocked by CORS but I was able to resolve that with Spring Security. However, spring security … Read more

Spring Boot v2.6.7 and Hashicoprt vault Integration issue, unable to fetch the DB details

I am using Spring Boot v2.6.7 and trying to integrate Spring Cloud Config server, Hashicprp Vault within microservices. I went through links like: and html/config-data.html but still lo luck. pom.xml <?xml version=”1.0″ encoding=”UTF-8″?> <project xmlns=”″ xmlns:xsi=”” xsi:schemaLocation=””> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.6.7</version> <relativePath/> <!– lookup parent from repository –> </parent> <groupId>com.example</groupId> <artifactId>order-service</artifactId> … Read more

spring boot – H2 memory database not starting

I have a spring boot application hosted on heroku, which uses a postgres db on heroku. I have configured config vars on heroku and am using them in my spring boot application like this : and in my code I use a connectionService: public static Connection getConnection() { try { final String dbUrl = System.getenv(“SPRING_DATASOURCE_URL”); … Read more

spring boot – i called the method of function of another package while calling i get a service is null in called class because two controller has service

spring boot – i called the method of function of another package while calling i get a service is null in called class because two controller has service – Stack Overflow … Read more

java – How to connect MongoDB with Spring Boot through MongoTemplate?

I am using Java 17, Spring Boot 2.7 with MongoDB. I want to connect MongoDB with the help of MongoTemplate ? But I receives only null. If I use MongoRepository & @Document, this record class becomes dedicated to MongoDB, which I don’t want. I am using JdbcDaoImpl in this program also to connect with MySql. … Read more

Spring Boot — Continuous Deployment on Kubernetes With ArgoCD and GitHub Actions | by Zalán Toth | Jun, 2022

Deployment made easy Nowadays DevOps, GitOps, Continuous Deployment are hot topics. Sometimes it seems like magic but actually most parts of it are really easy and everybody should adopt it. Automatized pipelines give us safety and save lots of time. All tools we use in this article are free. In this article, we are gonna … Read more

java – Problems with connecting H2 database for testing in spring boot

[*] I want to connect h2 database to my test for JPA repository testing, but I am getting an error and don’t understand where it comes from. My test: @DataJpaTest class RepositoryTest{ @Autowired lateinit var entityManager: TestEntityManager @Autowired lateinit var dataSource: DataSource @Autowired lateinit var repository: Repository @Test fun `context loads`(){ Assertions.assertNotNull(entityManager) Assertions.assertNotNull(dataSource) } } … Read more

java – How can I calculate Shortest Path through Neo4j in my Spring Boot through localhost and Docker?

[*] I have a problem about calculating the shortest path through Neo4j in my Spring Boot example. After adding some cities with its route, I want to calculate their shortest path in terms of their connection and their duration. However, these two methods which defined in ShortestPathController cannot work. Here are the issues shown below. … Read more

Spring Security 5 – Unable to start Spring Boot app configured with multiple external Authorization Servers if failed to connect to one Auth. Server

Background : Configure Spring Boot Application to support Multiple External Authorization Servers Example of : #First Authorization Server<client id><client secret><okta issuer> #Second Authorization Server<client id><client secret><azure ad issuer> Problem Description : At startup time Spring Boot will try to create a clientRegistrationRepository Bean based on the configuration info … Read more