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
I tried to make a connection between my Angular frontend and a REST Endpoint in Java / Spring (which I didn't developed and don't know so well). By GET, all wor
I'm trying to unit test with a file located under src/test/resources, but I can't always get a nullpointer when I'm trying to read it. I'm using Spring Boot 2.
My Existing Project is on Spring Framework not Spring Boot. I want to integrate Open API 3 with it. I want to integrate using springdoc-openapi not using Jers
I'm using Spring boot to receive JMS message and cURL to send it. Here's the Spring config: @Bean public MessageConverter jsonJmsMessageConverter() { Mapp
I am trying to achieve below native query logic using hibernate (Spring JPA). But save(Iterable) throws exception and rollback the entire transaction if one of
I have developed a REST API's Project and I want to draw a class diagram for every API individually. I have downloaded the eclipse plugin of PlantUML but this d
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,
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
I am facing some issue while connecting Redis("Using Redisson") with spring boot. At aplication Start time show below error. "org.springframework.beans.factory
I'm new to Python and I'm trying to connect to a service that I currently have up running in Spring. On the server-side I have a custom Handshake handler in pla
How can I allow empty input to field with type long in Spring MVC + thymeleaf? I want this field to take default value. Currently I have the error: Field
In my spring controller class i have below two methods @GetMapping(value = "/published_messages", produces = MediaType.APPLICATION_JSON_VALUE) public Respo
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
"Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister " I am not using any maven or such tools and manually add and reference
I am using spring-boot 2.3.3.RELEASE with the according spring-boot-starter-parent in maven. <parent> <groupId>org.springframework.boot</group
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
I have a problem with the execution of the batch process that I am developing. It comprises several steps. The first one recovers data and inserts it into a ta
I'm trying to use Spring 5 to have a custom bean for my request parameters. In theory this is easy, but I want to have the field names be different from the par
While setting up a JMS listener for a TIBCO topic using Spring, I am getting the below error as our TIBCO won't allow any other subscribers. So, I am looking fo