improved logging when javascript is not generated

editor/tools/plugins/com.google.dart.tools.debug.ui/src/com/google/dart/tools/debug/ui/internal/browser/BrowserLaunchConfigurationDelegate.java

Index: editor/tools/plugins/com.google.dart.tools.debug.ui/src/com/google/dart/tools/debug/ui/internal/browser/BrowserLaunchConfigurationDelegate.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.debug.ui/src/com/google/dart/tools/debug/ui/internal/browser/BrowserLaunchConfigurationDelegate.java	(revision 6092)
+++ editor/tools/plugins/com.google.dart.tools.debug.ui/src/com/google/dart/tools/debug/ui/internal/browser/BrowserLaunchConfigurationDelegate.java	(working copy)
@@ -157,11 +157,13 @@
 
           if (result.getExitCode() != 0) {
             String errMsg = NLS.bind(
-                "Failure to launch - unable to generate JavaScript for {0}.\n\nPlease see console for more details.",
+                "Failure to launch - unable to generate JavaScript for {0}.\n\nPlease see console or log for more details.",

[devoncarew, 2012/04/02 17:34:11]

the console

                 resource.getName());
 
             errMsg = errMsg.trim();
 
+            DartDebugCorePlugin.logError(result.getAllOutput());
+
             throw new CoreException(new Status(IStatus.ERROR, DartDebugUIPlugin.PLUGIN_ID, errMsg));
           }
         } else {