Category: Spring

Implementing checkpoint or partial commits within a database transaction in a Spring Boot service can be tricky since Spring transactions are designed to be atomic: they either fully commit or fully roll back. However, you can achieve a similar effect by managing transactions explicitly in your service layer and leveraging Spring’s PlatformTransactionManager or nested transactions…

You can use several methods to Execute something after a Spring Bean is Initialized but the most popular one is the @PostConstruct annotation. Here’s an example: import org.springframework.stereotype.Component; @Component public class MyBean { @PostConstruct public void init() { System.out.println(“My bean is initialized”); // Your code here } } In this example, The Spring Engine will…

You can achieve an Spring Boot Endpoint to be called only from Internal Network by using the built-in support for security and configuring a filter to check the IP address of incoming requests. Here are the steps: Step 1: Add dependencies In your pom.xml file (if you’re using Maven) or build.gradle file (if you’re using…

There are several reasons why a Spring Repository might not be able to Delete a Record. Here are some possible causes: No Transaction Spring Data JPA uses transactions by default, but if you’re not using a transaction manager or the @Transactional annotation, the delete operation might not be committed. Incorrect Query Make sure that the…

Here’s an example of how you can use Spring Boot ‘s RestTemplate to Upload a File with additional parameters. First, let’s create a simple REST endpoint that accepts a file and some additional parameters. We’ll use Spring MVC to create this endpoint. FileUploadController.java import org.springframework.beans.factory.annotation.Autowired; import org.springframework.core.io.FileSystemResource; import org.springframework.http.HttpEntity; import org.springframework.http.HttpHeaders; import org.springframework.http.MediaType; import org.springframework.web.bind.annotation.PostMapping;…