Introduction While developing spring-boot apps I have faced challenge of handling exception from service methods. Any exception that are propogated from the Controllers are handled by @ControllerAdvice. AFAIK there is nothing called as @ServiceAdvice to handle any exception being thrown from service layer. Spring tool …

Complatable Future with RestTemplate In the previous article we learned how to use RestTemplate to call apis in sequence and compose their result and write to the client. We will try to optimize this now by makeing these 2 request work in parallel and return this response. We will same UserProfileSupplier & …

Use case RestTemplate is a synchronous web-client to perform http/s requests from spring applications. Configuration We first define the bean to be injected in our services using following config: 1@Configuration 2public class Config { 3 4 @Bean 5 public RestTemplate restTemplate() { 6 return new RestTemplate(); 7 } 8 …

Logging ndjson to a file We will configure spring-boot application to redirect logs to a file in ndjson format. See more information on ndjson Dependencies Add following dependencies to the pom.xml 1 <dependency> 2 <groupId>ch.qos.logback.contrib</groupId> 3 …

Web app background After writting backend application which no face to showcase or few personal projects which i started but never completed because of lack of ui(infact i do not like html & css at all). Have learned it before time caused me to show less interest during actual projects. But everyday a new ui and js …