Fix build on Windows

Signed-off-by: Snjezana Peco <[email protected]>

org.eclipse.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/handlers/JDTLanguageServer.java

@@ -31,6 +31,7 @@
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.core.runtime.jobs.IJobManager;
 import org.eclipse.core.runtime.jobs.Job;
@@ -304,27 +305,32 @@ private CodeActionOptions getCodeActionOptions() {
 	@Override
 	public CompletableFuture<Object> shutdown() {
 		logInfo(">> shutdown");
+		disconnectFromWorkspace();
 		return computeAsync((monitor) -> {
-			try {
-				JavaRuntime.removeVMInstallChangedListener(jvmConfigurator);
-				if (workspaceDiagnosticsHandler != null) {
-					workspaceDiagnosticsHandler.removeResourceChangeListener();
-					workspaceDiagnosticsHandler = null;
-				}
-				ResourcesPlugin.getWorkspace().save(true, monitor);
-			} catch (CoreException e) {
-				logException(e.getMessage(), e);
-			}
 			return new Object();
 		});
 	}
 
+	private void disconnectFromWorkspace() {
+		try {
+			JavaRuntime.removeVMInstallChangedListener(jvmConfigurator);
+			if (workspaceDiagnosticsHandler != null) {
+				workspaceDiagnosticsHandler.removeResourceChangeListener();
+				workspaceDiagnosticsHandler = null;
+			}
+			ResourcesPlugin.getWorkspace().save(true, new NullProgressMonitor());
+		} catch (CoreException e) {
+			logException(e.getMessage(), e);
+		}
+	}
+
 	/* (non-Javadoc)
 	 * @see org.eclipse.lsp4j.services.LanguageServer#exit()
 	 */
 	@Override
 	public void exit() {
 		logInfo(">> exit");
+		disconnectFromWorkspace();
 		JavaLanguageServerPlugin.getLanguageServer().exit();
 		Executors.newSingleThreadScheduledExecutor().schedule(() -> {
 			logInfo("Forcing exit after 1 min.");