How to not hardcoding image extensions in Java? Above is my code. In the case statement, I have listed strings as hard-coded as jpg, jpeg…. This code is not flexible, so I’m sure there must be a better way. I’d appreciate it if you could give me a solution that I’m not aware of. Answer…
Tag: spring-boot
Post request transform int field to string automatically
I’m doing a dummy app of a hostpital. The problem I’m having is that, I’m trying to verify that when a Patient is created, the fields passed are of the correct type, but whenever I POST an Int in a String field, it doesn’t fail and just transform the Int to String. The field I’m …
Spring Boot scheduled Runnable tasks continue executing even after server is shut down with an actuator
I’m currently developing a Spring-based web platform which makes use of several scheduled processes that access a central database. I wanted to introduce actuators for shutdown and restart. However, I am experiencing an issue: even though the shutdown request is accepted with a 200 response, the applica…
Stripe – Radar Rules
Hope you are doing well. I am going through the following documentation of Stripe “https://stripe.com/docs/radar/radar-session”. In the following page it is mentioned We have to create Radar session at client side and send it your server and after that we have to send from server to stripe. So my …
MapStruct adding 1 suffix to object
I am using mapstruct to map my DTO to entity, My Entity My DTO Generated MapStruct Implementation I tried editing the file but it is unable to create break and always gives break1 Answer Break is a reserved keyboard, use different name or it would always add 1 suffix for successful compilation.
My repository in my spring-boot application is returning null
Hey I am pretty new to using the Spring Framework and was just trying to get an application to work for practice but I am getting the following error in my stack trace: Cannot invoke “com.gabriel.schoolapp.repository.UsersRepo.findAll()” because “this.usersRepo” is null This is my mode…
Database entry problem. Only null value is written
I’m trying to work with REST api and after creating JSON post call, null value is written to the database instead of the value that was written in JSON. I am working with PostgreSQL database. After I send JSON using Postman or Swagger I get Server Response Code: 200. But the database writes the color as…
I have blocked the URL for a user who is not logged in, but after the user logs in he still cannot access the URL
Title says it all. WebSecurityConfig As you can see I have .antMatchers(“/api/users/**”).authenticated() and that works, I cant access that URL, getting Unauthorized error: Full authentication is required to access this resource with code 401. But when I go back and enter a credentials and get red…
Get all properties as map in properties file Spring Boot
I have a spring boot project , I want to get those properties as map by prefix , in this exemple the prefix is root : application.properties : I dont want to change my filetype from properties to YAML. Answer “Easy-peasy”: With, application.properties: And pom.xml: … console prints: To resid…
Hazelcast Java – Query latency maximum optimization
I am currently working on a context where the application uses Hazelcast. The paradigm used is not embedded, therefore server-client is used. I am having a flow where on a distributed map is executed a query. After all the optimizations I could think of, different combinations with memory format, query cache,…