diff --git a/G-Earth/src/main/java/gearth/ui/extensions/executer/ExtensionRunner.java b/G-Earth/src/main/java/gearth/ui/extensions/executer/ExtensionRunner.java
index 229cad4..4d1f1ee 100644
--- a/G-Earth/src/main/java/gearth/ui/extensions/executer/ExtensionRunner.java
+++ b/G-Earth/src/main/java/gearth/ui/extensions/executer/ExtensionRunner.java
@@ -5,6 +5,8 @@ package gearth.ui.extensions.executer;
  */
 public interface ExtensionRunner {
 
+    String SHOW_EXTENSIONS_LOG = "--log-extensions";
+
     void runAllExtensions(int port);
 
     void installAndRunExtension(String path, int port);
diff --git a/G-Earth/src/main/java/gearth/ui/extensions/executer/NormalExtensionRunner.java b/G-Earth/src/main/java/gearth/ui/extensions/executer/NormalExtensionRunner.java
index 2d9bcfe..6ee4a87 100644
--- a/G-Earth/src/main/java/gearth/ui/extensions/executer/NormalExtensionRunner.java
+++ b/G-Earth/src/main/java/gearth/ui/extensions/executer/NormalExtensionRunner.java
@@ -2,9 +2,12 @@ package gearth.ui.extensions.executer;
 
 import gearth.Main;
 import gearth.ui.extensions.authentication.Authenticator;
+import org.omg.CORBA.Environment;
 
+import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.net.URISyntaxException;
 import java.nio.file.*;
 import java.util.Arrays;
@@ -88,7 +91,50 @@ public class NormalExtensionRunner implements ExtensionRunner {
                     .replace("{port}", port+"")
                     .replace("{filename}", filename)
                     .replace("{cookie}", Authenticator.generateCookieForExtension(filename));
-            Runtime.getRuntime().exec(execCommand);
+            Process proc = Runtime.getRuntime().exec(execCommand);
+
+
+
+
+            if (Main.hasFlag(ExtensionRunner.SHOW_EXTENSIONS_LOG)) {
+                String sep = "" + System.lineSeparator();
+                synchronized (System.out) {
+                    System.out.println(path + sep + "Launching" + sep + "----------" + sep);
+                }
+
+                BufferedReader stdInput = new BufferedReader(new
+                        InputStreamReader(proc.getInputStream()));
+
+                new Thread(() -> {
+                    try {
+                        String line;
+                        while((line = stdInput.readLine()) != null) {
+                            synchronized (System.out) {
+                                System.out.println(path + sep + "Output" + sep + line + sep + "----------" + sep);
+                            }
+                        }
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                }).start();
+
+                BufferedReader stdError = new BufferedReader(new
+                        InputStreamReader(proc.getErrorStream()));
+
+                new Thread(() -> {
+                    try {
+                        String line;
+                        while((line = stdError.readLine()) != null) {
+                            synchronized (System.out) {
+                                System.out.println(path + sep + "Error" + sep + line + sep + "----------" + sep);
+                            }
+                        }
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                }).start();
+
+            }
         } catch (IOException e) {
             e.printStackTrace();
         }