--- a/jdk/src/share/classes/sun/misc/Launcher.java	Tue Aug 30 14:41:12 2011 +0100
+++ b/jdk/src/share/classes/sun/misc/Launcher.java	Tue Aug 30 11:53:11 2011 -0700
@@ -71,7 +71,7 @@
             extcl = ExtClassLoader.getExtClassLoader();
         } catch (IOException e) {
             throw new InternalError(
-                "Could not create extension class loader");
+                "Could not create extension class loader", e);
         }
 
         // Now create the class loader to use to launch the application
@@ -79,7 +79,7 @@
             loader = AppClassLoader.getAppClassLoader(extcl);
         } catch (IOException e) {
             throw new InternalError(
-                "Could not create application class loader");
+                "Could not create application class loader", e);
         }
 
         // Also set the context class loader for the primordial thread.
@@ -460,7 +460,7 @@
             return ParseUtil.fileToEncodedURL(file);
         } catch (MalformedURLException e) {
             // Should never happen since we specify the protocol...
-            throw new InternalError();
+            throw new InternalError(e);
         }
     }
 
@@ -475,15 +475,10 @@
             try {
                 Class c = Class.forName(name);
                 return (URLStreamHandler)c.newInstance();
-            } catch (ClassNotFoundException e) {
-                e.printStackTrace();
-            } catch (InstantiationException e) {
-                e.printStackTrace();
-            } catch (IllegalAccessException e) {
-                e.printStackTrace();
+            } catch (ReflectiveOperationException e) {
+                throw new InternalError("could not load " + protocol +
+                                        "system protocol handler", e);
             }
-            throw new InternalError("could not load " + protocol +
-                                    "system protocol handler");
         }
     }
 }