Adopt the lombok@1.18.27 edge release (#3031)

Signed-off-by: Jinbo Wang <jinbwan@microsoft.com>

Author: testforstephen

gulpfile.js

@@ -116,15 +116,31 @@ gulp.task('download_jre', async function (done) {
 	done();
 });
 
-gulp.task('download_lombok', function (done) {
+gulp.task('download_lombok', async function (done) {
 	if (fse.existsSync('./lombok')) {
 		fse.removeSync('./lombok');
 	}
-	const lombokVersion = '1.18.24';
-	// The latest lombok version can be found on the website https://projectlombok.org/downloads
-	const lombokUrl = `https://projectlombok.org/downloads/lombok-${lombokVersion}.jar`;
-	download(lombokUrl)
-		.pipe(gulp.dest('./lombok/'))
+
+	await new Promise(function (resolve, reject) {
+		// Adopt lombok-1.18.27 edge release for the issue https://github.com/redhat-developer/vscode-java/issues/2887
+		download("https://projectlombok.org/lombok-edge.jar")
+			.pipe(gulp.dest('./lombok/'))
+			.on("error", reject)
+			.on('end', () => {
+				fse.renameSync("./lombok/lombok-edge.jar", "./lombok/lombok-1.18.27.jar");
+				resolve();
+			});
+
+		// TODO: Switch to stable version once lombok 1.18.28 is released.
+
+		// const lombokVersion = '1.18.24';
+		// // The latest lombok version can be found on the website https://projectlombok.org/downloads
+		// const lombokUrl = `https://projectlombok.org/downloads/lombok-${lombokVersion}.jar`;
+		// download(lombokUrl)
+		// 	.pipe(gulp.dest('./lombok/'))
+		// 	.on("error", reject)
+		// 	.on('end', resolve);
+	});
 	done();
 });