diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/InlineModelResolver.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/InlineModelResolver.java
index 02bf82572e0..f3ea72ed5fd 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/InlineModelResolver.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/InlineModelResolver.java
@@ -218,7 +218,12 @@ public class InlineModelResolver {
         Map<String, Model> modelsToAdd = new HashMap<String, Model>();
         for (String key : properties.keySet()) {
             Property property = properties.get(key);
-            if (property instanceof ObjectProperty && ((ObjectProperty)property).getProperties().size() > 0) {
+            if(property instanceof ObjectProperty && ((ObjectProperty)property).getProperties() == null) {
+                MapProperty mp = new MapProperty();
+                mp.setAdditionalProperties(new StringProperty());
+                properties.put(key, mp);
+            }
+            else if (property instanceof ObjectProperty && ((ObjectProperty)property).getProperties().size() > 0) {
                 String modelName = uniqueName(path + "_" + key);
 
                 ObjectProperty op = (ObjectProperty) property;
@@ -276,7 +281,6 @@ public class InlineModelResolver {
                         swagger.addDefinition(modelName, innerModel);
                     }
                 }
-            } else {
             }
         }
         if (propsToUpdate.size() > 0) {
diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavascriptClientCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavascriptClientCodegen.java
index 2a60c7fc1f0..cc5dcff3fa2 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavascriptClientCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JavascriptClientCodegen.java
@@ -1,35 +1,19 @@
 package io.swagger.codegen.languages;
 
 import com.google.common.base.Strings;
-
-import io.swagger.codegen.CliOption;
-import io.swagger.codegen.CodegenConfig;
-import io.swagger.codegen.CodegenConstants;
-import io.swagger.codegen.CodegenModel;
-import io.swagger.codegen.CodegenOperation;
-import io.swagger.codegen.CodegenProperty;
-import io.swagger.codegen.CodegenType;
-import io.swagger.codegen.DefaultCodegen;
-import io.swagger.codegen.SupportingFile;
+import io.swagger.codegen.*;
 import io.swagger.models.*;
 import io.swagger.models.properties.ArrayProperty;
 import io.swagger.models.properties.MapProperty;
 import io.swagger.models.properties.Property;
 import io.swagger.models.properties.RefProperty;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
 import org.apache.commons.lang.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.File;
+import java.util.*;
+
 public class JavascriptClientCodegen extends DefaultCodegen implements CodegenConfig {
     @SuppressWarnings("hiding")
     private static final Logger LOGGER = LoggerFactory.getLogger(JavascriptClientCodegen.class);
@@ -133,6 +117,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
         typeMapping.put("double", "Number");
         typeMapping.put("number", "Number");
         typeMapping.put("DateTime", "Date");
+        typeMapping.put("Date", "Date");
         // binary not supported in JavaScript client right now, using String as a workaround
         typeMapping.put("binary", "String");
 
@@ -358,7 +343,7 @@ public class JavascriptClientCodegen extends DefaultCodegen implements CodegenCo
 
         // method name cannot use reserved keyword, e.g. return
         if (reservedWords.contains(operationId)) {
-            throw new RuntimeException(operationId + " (reserved word) cannot be used as method name");
+            operationId = escapeReservedWord(operationId);
         }
 
         return camelize(sanitizeName(operationId), true);
diff --git a/pom.xml b/pom.xml
index 0cab362828b..17ad062e4f0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -122,8 +122,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.0</version>
                 <configuration>
-                    <source>1.6</source>
-                    <target>1.6</target>
+                    <source>1.7</source>
+                    <target>1.7</target>
                 </configuration>
             </plugin>
             <plugin>