Java code exporting workbook to current user PC instead of the actual web app host

I have a spring MVC project that I have develop for my team at work. I have an endpoint that create a workbook using apache poi, then export to .xlsx file, but my code appeared to write to file on the …

Image and PDF files getting corrupted while uploading on AWS S3

I am trying to upload images and PDF on AWS S3 using my Spring Boot app. They are getting uploaded in corrupt format without any error. Text files are uploaded successfully. public String …

MessageDigest NoSuchAlgorithmException in Java

So, I’ve cruised through several Stackoverflow threads and other websites as well whilst trying to find a solution to this. I am working on a school assignment that requires the use of an instance of …

Spring Boot – Host JaCoCo coverage as static HTML

I am working with Spring Boot 2.2.5 and Java 8. I have a Spring Boot webservice that I deploy and run as a linux service using the embedded Tomcat in Spring Boot. During my Maven build, I generate …

Spring Boot HttpSecurity – @PreAuthorize – How to set AuthenticationFilter?

I am currently developing a API Authorization. So basically i have an filter JwtAuthorizationFilter. And in my RestController i want to annotate the request that should be filtered via @PreAuthorize(&…

How to handle Kafka container lifecycle using spring kafka in Kubernetes multipod deployment

I am using Spring kafka implementation and I need to start and stop my kafka consumer through an REST API. For that i am using KafkaListenerEndpointRegistry endpointRegistry endpointRegistry….

Spring Data JPA – Get all elements

I’m new to Spring Data JPA and I want to ask if there is a method that can be used to fetch all items, not by a certain criterion. Any help would be helpful.

Configure Spring Boot’s with custom SSLContext programmatically (for mTLS)

Problem Programmatically configure Spring Boot’s to use my custom SSLContext. And use for mTLS. Context Spring’s documentation provides only one, clear way how to configure SSL (via application….

Hibernate’s setparameterlist not working for the selectquery

i am trying to set the parameter lTList in the sqlquery with something like this => [‘a’,b’,’c’] but when i SOP after setting the parameter there is no change => “select …. lt in (:…

What package is the actuator base path stored?

I am looking to log all of my Spring-Boot project’s request. My pointcuts work fine for my programming, and I can get the sub paths, but not the base actuator path. com.example.demo…(..) – This …