From 9dcf30efe966d73640618f4a7274df3f46d3a3a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miroslav=20Bajto=C5=A1?= <mbajtos@cz.ibm.com>
Date: Fri, 26 Feb 2016 14:00:24 +0100
Subject: [PATCH] Improve error message on connector init error

---
 lib/datasource.js | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/lib/datasource.js b/lib/datasource.js
index 2fa215e1..70484a6e 100644
--- a/lib/datasource.js
+++ b/lib/datasource.js
@@ -327,13 +327,22 @@ DataSource.prototype.setup = function (name, settings) {
 
     }.bind(this);
 
-    if ('function' === typeof connector.initialize) {
-      // Call the async initialize method
-      connector.initialize(this, postInit);
-    } else if ('function' === typeof connector) {
-      // Use the connector constructor directly
-      this.connector = new connector(this.settings);
-      postInit();
+    try {
+      if ('function' === typeof connector.initialize) {
+        // Call the async initialize method
+        connector.initialize(this, postInit);
+      } else if ('function' === typeof connector) {
+        // Use the connector constructor directly
+        this.connector = new connector(this.settings);
+        postInit();
+      }
+    } catch(err) {
+      if (err.message) {
+        err.message = 'Cannot initialize connector ' +
+          JSON.stringify(connector.name || name)  + ': ' +
+          err.message;
+      }
+      throw err;
     }
   }