There are some solutions here Windows Spark Error java.lang.NoClassDefFoundError: Could not initialize class org.apache.spark.storage.StorageUtils The mentioned
I am on MacOS, installed the JDKs 8 ( LTS ) from AdoptOpenJDK to get the android environment up and running and that worked fine! brew cask install adoptopenjdk
I have this piece of code : Map<String, BillingAccount> billingAccountsMap = new HashMap<>(); for (BillingAccount ba : billingAccounts) { if (ba
I've a plain simple aws lambda written in java(No framework involved). Currently, I've used a Singleton instance for DBConnection as I wanted to re-use the earl
I'm not sure if my design is simply stupid, or there's a good way to make it work. Consider the following classes: public abstract class CheckBase { protect
I was trying to learn how to use OkHTTP. I importetd the library to my project but when i compile the code it brings out this error. Could not find org.junit.ju
I'm trying to build a Binary Search Tree. Below in my main method which reads from a file and inserts into the BST. However, I am getting an i
I want to build an android app based on Spleeter. But I am not sure which tool to use to bridge the way between Java and Python on Android or whether it is poss
This is my register page: Registration was working before adding Email checker functionality. This function for check did someone used this email on database.
I'm currently creating project with blocks that can be connected (like blender or UE). And I found github project (VWorkflows) that I connected using its tutori
I tried to find the sum of any array by using the for loop but the i++ part ended up being the deadcode unreachable. I don't understand why? public static int
I am developing a library with a Spring framework and adding as a dependent for different frameworks. Does Spring framework @Value annotation inside library wor
Does anybody have a simple example on how to call a C function from Java 17 that includes creating a C library and how to setup a MethodHandle? The JEP descript
Here is what I have done so far: https://github.com/jnbdz/tutorial-baeldung-spring-security-cas-sso In here you can see my configs: https://github.com/jnbdz/tut
Let's imagine that we have n independent blocking IO tasks e.g. tasks for rest-call to another server. Then all answer we need to combine. Every task can be pro
I'm trying to return a list that is inside a Repository in my controller, but I'm not getting it. Could someone help me? This is a RESTapi for an ATM project th
I am getting piTest issues. Few mutations are getting survived. PiTEST negated conditional → SURVIVED changed conditional boundary → SURVIVED As per
I have a method which works perfectly on locally, but when I launch it on server I've got an error: org.openqa.selenium.InvalidArgumentException: Unable to det
I have a Springboot app that I have Dockerized. I have it exposed on port 8081, and can access it as expected. http://<ipaddress>:8081 Problem The Spring
I just got an error at runtime. I understand the problem, but I could not fix it. This is my first time working with Volley and a MySQL database. I want to save