Category "java"

Can run in Intellij, but jar file fails

Instead of running Quarkus, I'm running OptaPlanner through a Main class entry point in Kotlin. This works great within Intellij where I have a simple Run Confi

utilize Class<T extends baseClass> in a method parameter

I have a method whose signature is: <T> T fromJson(String json, Class<? extends BaseClass> extendedClass) The goal of the method is to to convert js

Update foreign key in Spring Boot with a POST request

I am trying to make a put request using Postman with Spring Boot. The idea is to give the subscription object a foreign key value with a put request or post. I

DFS in virtual graph with cycles

Using a function that generates a list of "adjacent" values from an input value, i.e. Function<Object, List<?>> adjacent; one can "traverse" any "a

How to create an array of random security codes in Java? [duplicate]

I am trying to write a program that would ask the user how many security codes he wants to generate, then it would output as many codes as he

Tomcat static content path security with Spring

I'm trying to setup static content serving on my Tomcat 9 server So I specified it inside server.xml <Host name="${serverhost}" appBase="webapps" unpackWARs=

Update indexes mongodb using Spring

Does someone know what Spring application properties need to be specified so that the index is overwritten (if already been created) with new parameters. For ex

How to solve thymeleaf template parsing error

I'm trying to present a html to screen but I'm getting template parser error from thymeleaf. Here is my code and error: index.html: <body> <h2>M

How to parameterize the locators?

I am trying store all values required for locators in Property File: This is Property File: url=https://www.google.com value=search This is my object repos

Centering all the components in jpanel

I'm having a problem centering all the checkbox inside the panel I already tried using some layout for the panel however It doesn't match the output that I want

CdpVersionFinder findNearestMatch WARNING: Unable to find an exact match for CDP version 100, so returning the closest version found: 99 with Selenium

I created a bunch of scripts which worked fine in December 2021. I'm running them now and a few of them execute and pass but suddenly the execution stops and it

Error building kivy app for android with buildozer

I am fairly new to Kivy and app development in general. I made a simple app and wanted to try creating an apk file using buildozer. I ran the following command:

How do we appropriately aggregate class level metrics to package level?

On a java project, I am using CKJM suite to get the following metrics WMC - Weighted methods per class DIT - Depth of Inheritance Tree NOC - Number of Children

Netbeans can't find main class (Google Guava is being used)

I'm having a problem with Netbeans IDE 13 and Google Guava, the error says it can't find the main class, but not sure why? Code Part: package TinyBookGoogleGuav

Fixing vulnerability of maven-core

I am receiving critical vulnerability on maven-core package https://nvd.nist.gov/vuln/detail/CVE-2021-26291. Need to upgrade maven-core to 3.8.1+. Here ${sprin

JPA/Hibernate @GenericGenerator throws StackOverFlow on persisting entity

I have implemented two entities (Department and Employee) with custom ID generator for Employee, and has a unidirectional one-to-many relationship as shown belo

How to update values in a complicated JSON Array using Jackson?

I have a request body (in JSON format) that looks like this: [ { "l_ts":0, "af":{ "lib":"xyz", "OS":"abc", "wdt":"2.63", },

Get user data between two date in Hibernate Java

i have an hibernate entity called user.I want to get the list of users who are between two dates a date interval. Example, I have a date D1 and I want to know t

Java replacing characters in email with? [closed]

Here is my email implementation: private void send(Transport transport, Message message) throws MessagingException { // bunch

StorageReference getFile doesn't work properly

I have a text file I'm storing on the Firebase database and I'm trying to retrieve the text as following: File tempFile = File.createTempFile("tempfile", ".txt"