I was checking out all the new utility methods introduced in String class since java 8 and found this one method resolveConstantDesc which apparently takes a MethodHandles.Lookup as input. However, ...

When I try to run the application it show the error. java: java.lang.NoSuchFieldError: Class com.sun.tools.javac.tree.JCTree$JCImport does not have member field 'com.sun.tools.javac.tree.JCTree ...

I have an object Batch (String id, Instant date, Long version) I have a list of Batch and I want to filter to keep one batch for each id where version is the highest i.e: batch1 = Batch(1, date, 5) ...

I am ugrading my Solr from 8.4 to 9.2 and Java from 11 to 17. Since JDK 12 nashorn java scripts are removed. Question: How are you using Solr ScriptUpdateProcessorFactory with JDK 12 or up? Error : ...

I'm having trouble using the java.net POST request for uploading files with multipart/form-data, when trying to send something to S3 using a pre-signed URL. The response complains about a missing ...

I'm creating a game while following a tutorial and I came across an error. It shows Graphics2D cannot be resolved to a type. I'm new to java and I'm using Eclipse IDE (JavaSE-12). I imported the ...

Currently upgrading our java/jsf/primefaces application, I'm facing folowing issue: I changed the versioning date from Date datatype to LocalDateTime, since that i'm having a OptimistickLockException ...

I am trying to install java version SE12 form respective tar.gz file. I followed this thread right here, How to set Oracle's Java as the default Java in Ubuntu? (@Barracuda's answer). When I am ...

I've got one java web based project. Build using JDK 1.8 and Using Intellij as IDE. Using tomcat to deploy the product Essentially in our product I was trying to test a few things with a class. Very ...

I have an application running in Tomcat 9.0.45 with JDK 11 (OpenJDK 11.0.11). After upgrading some libraries (Spring 4.3.30 to 5.3.9) using maven, the application throws the following Exception: java....

I'm trying to run and help develop a Java project (https://github.com/goxr3plus/XR3Player) with Java-12 and Maven. According to the README it requires multiple VM options to be set. This one is ...

I'm working on a Java Web-App which was working perfectly fine and I wanted to try to deploy it on Heroku (which I've never done before). I read into it, and followed the steps on Atlassian for ...

I tried to create a simple Kotlin command line app import java.RegistroJ class Main fun main(){ var registro:RegistroJ? = RegistroJ() registro?.setCognome("Baudo") registro?....

I'm trying to use the -Djava.security.debug command line option to get the permissions requested by a specific .jar file, ignoring all others. I can't seem to find the right syntax to get it to work ...

I'm working in a complex project with a lot of extensions and a lot generics. We use open jdk 12. The objects I'm working on are: public abstract class Node<C extends Node, P extends Property, A ...