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Nashorn is deprecated since Java 11, it has been removed in Java 15. In order to run javascript, it is necessary to upgrade the script engine. The most common alternative as of now is GraalVM JS engine.

build.gralde

  dependencies {
+     implementation("org.graalvm.js:js:22.0.0")
+     implementation("org.graalvm.js:js-scriptengine:22.0.0")

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Opening in IJ

JMC with IntelliJ

At this stage there’s two approach:

• If you only need to work on the core libraries, then you only need those, and they can be imported as a maven project with some configuration
• If you need the full blown JMC, then you need the other import approach, that is a mix of .project - .classpath and Maven projects.

Working on the on the core libraries

1. File | Open… , then select the core folder in the JMC cloned repository,
2. Trust the project (also tick the Trust projects in <JMC clone path> as well)

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///usr/bin/env jbang "$0" "$@" ; exit $?
//JAVA 17
//DEPS org.jsoup:jsoup:1.14.3
/*
 * MIT License
 *
 * Copyright (c) 2021 Brice Dutheil <brice.dutheil@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal

bric3

import jdk.incubator.foreign.CLinker;
import jdk.incubator.foreign.FunctionDescriptor;
import jdk.incubator.foreign.MemoryAddress;
import jdk.incubator.foreign.ResourceScope;

import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodType;
import java.util.HexFormat;

public class Main {

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initscript {
    repositories {
        gradlePluginPortal()
    }
    dependencies {
        classpath("gradle.plugin.org.barfuin.gradle.taskinfo:gradle-taskinfo:1.3.1")
    }
}
// don't use rootProject as it may not be ready
allprojects {

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/*
 * MIT License
 *
 * Copyright (c) 2021 Brice Dutheil <brice.dutheil@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is

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package sandbox;

import java.io.BufferedInputStream;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

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 > Task :testjava.lang.instrument.IllegalClassFormatException: Error while instrumenting sun/util/resources/cldr/provider/CLDRLocaleDataMetaInfo.
	at org.jacoco.agent.rt.internal_43f5073.CoverageTransformer.transform(CoverageTransformer.java:94)
	at java.instrument/java.lang.instrument.ClassFileTransformer.transform(ClassFileTransformer.java:246)
	at java.instrument/sun.instrument.TransformerManager.transform(TransformerManager.java:188)
	at java.instrument/sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:563)
	at java.base/java.lang.ClassLoader.defineClass2(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1108)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:183)

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# 1. brew cask create jdk-mission-control
# 2. brew edit jdk-mission-control-snapshot
# 3. Then paste this content
cask 'jdk-mission-control-snapshot' do
  version :latest
  sha256 :no_check

  url do
    # was 'https://ci.adoptopenjdk.net/view/JMC/job/jmc-build/job/master/lastSuccessfulBuild/artifact/target/products/org.openjdk.jmc-macosx.cocoa.x86_64.tar.gz'
    'https://ci.adoptopenjdk.net/view/JMC/job/jmc-build/job/master/lastSuccessfulBuild/artifact/target/products/org.openjdk.jmc-8.0.0-SNAPSHOT-macosx.cocoa.x86_64.tar.gz'

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{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "limit": 100,