Fix bug that breaks live hover to tunneled cf apps

Also add a regression test that would have caught this issue.

headless-services/commons/commons-boot-app-cli/src/test/java/org/springframework/ide/vscode/commons/boot/app/cli/RemoteSpringBootAppTest.java

@@ -0,0 +1,27 @@
+/*******************************************************************************
+ * Copyright (c) 2018, 2019 Pivotal, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Pivotal, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.springframework.ide.vscode.commons.boot.app.cli;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+public class RemoteSpringBootAppTest {
+	
+	@Test
+	public void canCreateInstance() throws Exception {
+		SpringBootApp instance = RemoteSpringBootApp.create("jmx:blah", "whatever.cfapps.io", "8888", "https", true);
+		assertNotNull(instance);
+		assertTrue(instance instanceof RemoteSpringBootApp);
+	}
+
+}

headless-services/commons/commons-util/src/main/java/org/springframework/ide/vscode/commons/util/MemoizingProxy.java

@@ -198,7 +198,7 @@ public class MemoizingProxy {
 						.defineField(F_CACHE, Cache.class, Opcodes.ACC_PRIVATE)
 						.method(CACHABLE_METHODS).intercept(MethodDelegation.to(SuperMethodInterceptor.class))
 						.defineConstructor(Visibility.PUBLIC).withParameters(argTypes).intercept(
-								MethodCall.invoke(klass.getConstructor(argTypes)).withAllArguments()
+								MethodCall.invoke(klass.getDeclaredConstructor(argTypes)).withAllArguments()
 								.andThen(METHOD_DELEGATION.to(ClassConstructorInterceptor.class))
 						);