From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sat, 12 Sep 2015 10:58:28 +0000 (+0000)
Subject: Merged r14499 (#20454).
X-Git-Tag: 3.1.1~18
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=210384457140f9a72532753a5d6743a7564aadb4;p=redmine.git

Merged r14499 (#20454).

git-svn-id: http://svn.redmine.org/redmine/branches/3.1-stable@14548 e93f8b46-1217-0410-a6f0-8f06a7374b81
---

diff --git a/app/models/mail_handler.rb b/app/models/mail_handler.rb
index 0696216b1..3e8caaae3 100644
--- a/app/models/mail_handler.rb
+++ b/app/models/mail_handler.rb
@@ -544,6 +544,8 @@ class MailHandler < ActionMailer::Base
 
   def find_assignee_from_keyword(keyword, issue)
     keyword = keyword.to_s.downcase
+    return nil if keyword.blank?
+
     assignable = issue.assignable_users
     assignee = nil
     assignee ||= assignable.detect {|a|