Category "spring-boot"

Which is a better approach to persist the spring state machine context or restore the state machine using the state enum on entity object?

I am new to spring state machine and trying to understand which is a better approach whether to persist the state context in a database or to restore the state

springboot 2.6.5 + springcloud 2021.0.1 start failed with external tomcat but succeed in embeded tomcat

originally I used springboot 2.4.9 + springcloud 2020.0.4 which worked fine with external tomacat but for springboot 2.6.5 + springcloud 2021.0.1, it starts fai

How to create mulitple instances of RabbitTemplate in Spring Boot?

I have a system that is currently using SimpleMessageConverter to send messages to multiple systems. Now I want to start using Jackson2JsonMessageConverter for

Does a simple REST project in Spring Boot use the MVC principle?

I need to create a simple project that uses the Model-View-Controller principle and a MySQL database. And I want to use Spring Boot with Spring MVC and Spring D

com.fasterxml.jackson.databind.exc.InvalidDefinitionException for some REST operations on User entity

I have a few entities: User, Role, Privilege. And for all three entities, I have three operations which are then exposed as REST api. findOne(), findAll(), and

com.fasterxml.jackson.databind.exc.InvalidDefinitionException for some REST operations on User entity

I have a few entities: User, Role, Privilege. And for all three entities, I have three operations which are then exposed as REST api. findOne(), findAll(), and

@TestPropertySource is not helping to fetch configuration property values

In the following test code snippet, values of number_of_days.last and number_of_months.plan are not getting fetched from the configuration file.Please check and

Spring Boot JMS MappingJackson2MessageConverter cannot find `_type` field even though it exists

I'm using Spring boot to receive JMS message and cURL to send it. Here's the Spring config: @Bean public MessageConverter jsonJmsMessageConverter() { Mapp

Spring-boot : Set Timeout on REST @ Server Side

Spring-boot application deploys on IBM Liberty Server. Though calling client can set a timeout on the request , I want a timeout to be set on Server side for

Postman is returning a 404 error on my Spring Boot API

I've built a spring boot rest api. However, when I try to test it in Postman, I am getting a 404 error. I have linked the code below. Please note that there

How to extract response header & status code from Spring 5 WebClient ClientResponse

I am new to Spring Reactive framework & trying to convert Springboot 1.5.x code into Springboot 2.0. I need to return response header after some filtering,

Could not find or load main class org.apache.maven.wrapper.MavenWrapperMain

I have a spring boot project here: https://github.com/jcasbin/jcasbin-springboot-plugin. I encountered the following error in Travis CI: shell 3.43s$ ./mvnw in

Error creating bean with name 'redisson' defined in class path resource in Spring boot

I am facing some issue while connecting Redis("Using Redisson") with spring boot. At aplication Start time show below error. "org.springframework.beans.factory

How can I disable HTTP TRACE in embedded untertow of a Spring boot application

My goal is to DISABLE HTTP TRACE method for my spring boot application, which is using embedded undertow. A working yaml change will be preferred, if not, cod

How to solve Spring swagger Ambiguous mapping?

In my spring controller class i have below two methods @GetMapping(value = "/published_messages", produces = MediaType.APPLICATION_JSON_VALUE) public Respo

error using mvn spring-boot:build-image - received unexpected HTTP status: 500 Server Error"

I tried using 'mvn spring-boot:build-image' command and get that error.. ( I saw that maven have a new way to create an image with spring) Building image 'doc

404 error with swagger-ui and spring webflux

I am developping REST services with Spring Webflux and I want to produce documentation with Swagger2 for my API with. I discovered that Webflux is only supporte

How to upgrade spring framework version in spring boot

I am using spring-boot 2.3.3.RELEASE with the according spring-boot-starter-parent in maven. <parent> <groupId>org.springframework.boot</group

Spring Data: can I create a method in the @Repository with a name what return list of object if String equals to constant?

Guess easier if I show you my example: @Entity class User { Long id; Status status; } enum Status { NEW("N"), DELETED("D") } I have an AttributeCon

Could not find Spring Profile when uses JUnit Runner in IDEA

I'm trying to run a JUnit Test in IntelliJ IDEA, but the Runner could not find the Spring Profile. this message is displayed in the log: --spring.profiles.acti