diff --git a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/yaml/reconcile/ApplicationYamlASTReconciler.java b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/yaml/reconcile/ApplicationYamlASTReconciler.java
index f00ab120a..40b407177 100644
--- a/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/yaml/reconcile/ApplicationYamlASTReconciler.java
+++ b/headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/yaml/reconcile/ApplicationYamlASTReconciler.java
@@ -58,6 +58,7 @@ import org.springframework.ide.vscode.commons.yaml.ast.NodeUtil;
 import org.springframework.ide.vscode.commons.yaml.ast.YamlFileAST;
 import org.springframework.ide.vscode.commons.yaml.path.YamlPath;
 import org.springframework.ide.vscode.commons.yaml.reconcile.YamlASTReconciler;
+import org.springframework.ide.vscode.commons.yaml.util.YamlUtil;
 import org.yaml.snakeyaml.nodes.MappingNode;
 import org.yaml.snakeyaml.nodes.Node;
 import org.yaml.snakeyaml.nodes.NodeId;
@@ -95,7 +96,12 @@ public class ApplicationYamlASTReconciler implements YamlASTReconciler {
 		List<Node> nodes = root.getNodes();
 		if (nodes!=null && !nodes.isEmpty()) {
 			for (Node node : nodes) {
-				reconcile(root, node, nav);
+				if (!"".equals(NodeUtil.asScalar(node))) {
+					//^^^ ignore completely empty yaml (sub)documents. Checking them results in 
+					//spurious errors/warnings.
+					//See https://github.com/spring-projects/sts4/issues/711
+					reconcile(root, node, nav);
+				}
 			}
 		}
 	}
diff --git a/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/test/ApplicationYamlEditorTest.java b/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/test/ApplicationYamlEditorTest.java
index 321fe0dbb..6f2bd0f99 100644
--- a/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/test/ApplicationYamlEditorTest.java
+++ b/headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/test/ApplicationYamlEditorTest.java
@@ -90,6 +90,27 @@ public class ApplicationYamlEditorTest extends AbstractPropsEditorTest {
 	}
 	
 	////////////////////////////////////////////////////////////////////////////////////////
+	
+	@Test public void test_GH_711_error_on_extra_empty_yaml_document() throws Exception {
+		//https://github.com/spring-projects/sts4/issues/711
+		defaultTestData();
+		Editor editor = newEditor(
+				"spring:\n" +
+				"  application:\n" +
+				"    name: demo\n" +
+				"---\n" +
+				"spring:\n" + 
+				"  profiles:\n" + 
+				"    active: dev\n" + 
+				"services:\n" + 
+				"  common:\n" + 
+				"    url: https://getguid.azurewebsites.net\n" + 
+				"---\n"
+		);
+		editor.assertProblems(
+				"services|Unknown"
+		);
+	}
 
 	@Test public void test_GH_615_deprecated_spring_profiles() throws Exception {
 		IJavaProject p = createPredefinedMavenProject("empty-boot-2.4.4-app");