nodejs
diff --git a/‎lib/module.js‎
Lines changed: 4 additions & 0 deletions b/‎lib/module.js‎
Lines changed: 4 additions & 0 deletions
diff --git a/‎src/node_contextify.cc‎
Lines changed: 6 additions & 0 deletions b/‎src/node_contextify.cc‎
Lines changed: 6 additions & 0 deletions
@@ -423,6 +423,10 @@ Module.prototype._compile = function(content, filename) {
 
     // Set breakpoint on module start
     if (filename === resolvedArgv) {
+      // Installing this dummy debug event listener tells V8 to start
+      // the debugger.  Without it, the setBreakPoint() fails with an
+      // 'illegal access' error.
+      global.v8debug.Debug.setListener(function() {});
       global.v8debug.Debug.setBreakPoint(compiledWrapper, 0, 0);
     }
   }
 
@@ -261,6 +261,12 @@ class ContextifyContext {
     if (script_source.IsEmpty())
       return;  // Exception pending.
     Local<Context> debug_context = Debug::GetDebugContext();
+    if (debug_context.IsEmpty()) {
+      // Force-load the debug context.
+      Debug::GetMirror(args.GetIsolate()->GetCurrentContext(), args[0]);
+      debug_context = Debug::GetDebugContext();
+      CHECK(!debug_context.IsEmpty());
+    }
     Environment* env = Environment::GetCurrent(args);
     ScopedEnvironment env_scope(debug_context, env);
     Context::Scope context_scope(debug_context);
Original file line number	Diff line number	Diff line change
@@ -423,6 +423,10 @@ Module.prototype._compile = function(content, filename) {
423	423
424	424	// Set breakpoint on module start
425	425	if (filename === resolvedArgv) {
	426	+ // Installing this dummy debug event listener tells V8 to start
	427	+ // the debugger. Without it, the setBreakPoint() fails with an
	428	+ // 'illegal access' error.
	429	+ global.v8debug.Debug.setListener(function() {});
426	430	global.v8debug.Debug.setBreakPoint(compiledWrapper, 0, 0);
427	431	}
428	432	}