Category "spring-boot"

Custom message for Type Mismatch validation error while using Spring Boot and Hibernate Validator

Controller public String dummyAction(@Valid @ModelAttribute DummyInputData inputData) { return "success"; } Entity public class DummyInputData {

How to mix endpoints from an application with external plugins using spring boot and pf4j?

I have created a spring-boot application (2.6.4) and I want to integrate some plugins using p4fj. I have used p4fj before in non spring boot applications, but I

Cannot invoke "org.springframework.web.servlet.mvc.condition.PatternsRequestCondition.getPatterns()" because "this.condition" is null

I'm trying to run Springdoc with Spring Boot 2.6.7. Configuration: @Configuration public class SwaggerConfiguration { @Bean public GroupedOpenApi publicA

How to override custom Jackson deserializer in child project?

In our company library (say lib-a) we have an interface: public interface MyInterface { ... } and its default implementation: public enum DefaultMyImpl imp

Handling exception with Mono flow

I have a WebFlux handler as below. @Transactional public Mono<ServerResponse> submitOrder(final ServerRequest request) { return context.retrieveUser

How to access incoming HTTP requests in X-Ray SegmentListener?

Issue I use AWS X-Ray SDK for Java to enable X-Ray tracing for my Spring Boot micro services. With following snippet I am able to attach a custom SegmentListene

Optional fields in Java DTO with validation constraint

I've created a DTO with some properties with validation constraint (like all the properties must be present in JSON Object). Now, I want to make that DTO in a w

MariaDB CTE syntax for parameter list

I'm trying to replace an expensive where in ... query with a CTE. I've done this previously in other sql dialects, but can't get the syntax right for MariaDB/My

ElasticsearchException invalid missing tagline - Opensearch

Currently trying to start my app but unable because of this exception being thrown when starting app Caused by: org.springframework.data.elasticsearch.Uncategor

Request Body Missing in Spring while updating using PATCH API in react js

Spring shows - Resolved [org.springframework.http.converter.HttpMessageNotReadableException: Required request body is missing: public com.cg.bookstore.entities.

How to select role from Oracle DB in java spring boot?

I'm trying to select user role from Oracle database using id of user in spring boot framework but it not working? I'm trying to select user role from Oracle

SpringBoot Sleuth/Zipkin Tracing: Issue adding a client, for Zipkin Server

Small question regarding a Java 11 + SpringBoot 2.6.7 web application, in the context of Zipkin please. I have a very simple micro services architecture SpringB

SpringBoot Sleuth/Zipkin Tracing: Issue adding a client, for Zipkin Server

Small question regarding a Java 11 + SpringBoot 2.6.7 web application, in the context of Zipkin please. I have a very simple micro services architecture SpringB

Call RestApi endpoint resource from EJB

I have been looking around for sample code how to call a Restful service written in Spring boot (deployed in different server/ip) from an EJB client. I couldn't

SpringBoot 2.x + Jubilee: Disk space metrics to Grafana

Small question regarding SpringBoot 2.6.x + Jubilee, and the new disk space metrics provided. Out of the box, the new metrics available with Spring 2.6 are: dis

ServerHttpSecurity authorizeExchange PermitAll Not Working

I've configured auth0 authentication with spring cloud API gateway, My basic setup is as follows, POST - /user/api/user/registration - PermitAll All Other API

Return DTOs in the controller

I have an Operation service that has a list function that returns a list of OperationDTO however when the controller calls this function the list returns null d

How do I properly catch and handle PoolInitializationException in Spring Boot Application?

I'm writing a Spring Boot 2.6.3 app with a HikariDataSource created programmatically (so I can control names, timeouts, etc.). The interface method is used by a

Spring Security OAuth 2 - Authorization Server update from 0.1.0 to 0.1.1 / 0.1.2 makes example projects not work

I want to use the new Spring Security Authorization Server to implement OAuth2 for my webservice. At https://www.baeldung.com/spring-security-oauth-auth-server

ClassNotFoundException: com.fasterxml.jackson.core.util.JacksonFeature in Spring boot, upgrading from Elasticsearch HLRC to Java API Client

I wanted to swap out the deprecated High Level Rest Client with the new Java API Client from Elasticsearch. Problem is, I'm not sure if my dependencies are conf