Merge pull request #3280 from mbroadst/mssql-error-handling

prevent tedious errors from taking down app

lib/dialects/mssql/connection-manager.js

@@ -47,6 +47,11 @@ ConnectionManager.prototype.connect = function(config) {
     var connection = new self.lib.Connection(connectionConfig);
     var connection = new self.lib.Connection(connectionConfig);
     connection.lib = self.lib;
     connection.lib = self.lib;
 
 
+    // don't let tedious errors take down the entire application
+    connection.on('error', function(err) {
+      connection._invalid = true;
+    });
+
     connection.on('connect', function(err) {
     connection.on('connect', function(err) {
       if (!err) {
       if (!err) {
         resolve(connection);
         resolve(connection);