From b386fc9eacdb59d0d49aa6a25ee75f7bcd3fe8dd Mon Sep 17 00:00:00 2001
From: Matt Jaffee <jaffee@umbel.com>
Date: Tue, 23 May 2017 09:45:21 -0500
Subject: [PATCH] discriminate error messages in server.Open

---
 server.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/server.go b/server.go
index 4f8f45653..fc8b3608f 100644
--- a/server.go
+++ b/server.go
@@ -101,7 +101,7 @@ func (s *Server) Open() error {
 	// Open HTTP listener to determine port (if specified as :0).
 	ln, err := net.Listen("tcp", ":"+port)
 	if err != nil {
-		return err
+		return fmt.Errorf("net.Listen: %v", err)
 	}
 	s.ln = ln
 
@@ -115,16 +115,16 @@ func (s *Server) Open() error {
 
 	// Open holder.
 	if err := s.Holder.Open(); err != nil {
-		return err
+		return fmt.Errorf("opening Holder: %v", err)
 	}
 
 	if err := s.BroadcastReceiver.Start(s); err != nil {
-		return err
+		return fmt.Errorf("starting BroadcastReceiver: %v", err)
 	}
 
 	// Open NodeSet communication
 	if err := s.Cluster.NodeSet.Open(); err != nil {
-		return err
+		return fmt.Errorf("opening NodeSet: %v", err)
 	}
 
 	// Create executor for executing queries.