diff --git a/package.json b/package.json
index 2bb9d7a7..d020d336 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
         "c9.ide.language.generic": "#92210f5a48",
         "c9.ide.language.html": "#22fdc74869",
         "c9.ide.language.html.diff": "#24f3608d26",
-        "c9.ide.language.javascript": "#d1a479805c",
+        "c9.ide.language.javascript": "#bc7149e11d",
         "c9.ide.language.javascript.immediate": "#c8b1e5767a",
         "c9.ide.language.javascript.eslint": "#4de5457db1",
         "c9.ide.language.javascript.tern": "#b55d0069bb",
diff --git a/plugins/c9.error/error_handler.js b/plugins/c9.error/error_handler.js
index 1c46ee68..4e3fe2af 100644
--- a/plugins/c9.error/error_handler.js
+++ b/plugins/c9.error/error_handler.js
@@ -115,6 +115,7 @@ function plugin(options, imports, register) {
         var accept = req.headers.accept || '';
 
         if (statusCode == 500) {
+            console.error(err && err.stack);
             emitter.emit("internalServerError", {
                 err: err,
                 req: req