From f5bed84340b8b96c8b134b849f302120d85708c6 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Sat, 3 Jun 2017 01:58:28 -0700
Subject: [PATCH] add volume id to error message

---
 weed/server/master_server_handlers.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/weed/server/master_server_handlers.go b/weed/server/master_server_handlers.go
index e811631f8..b469afd24 100644
--- a/weed/server/master_server_handlers.go
+++ b/weed/server/master_server_handlers.go
@@ -31,10 +31,10 @@ func (ms *MasterServer) lookupVolumeId(vids []string, collection string) (volume
 				}
 				volumeLocations[vid] = operation.LookupResult{VolumeId: vid, Locations: ret}
 			} else {
-				volumeLocations[vid] = operation.LookupResult{VolumeId: vid, Error: "volumeId not found."}
+				volumeLocations[vid] = operation.LookupResult{VolumeId: vid, Error: fmt.Sprintf("volumeId %s not found.", vid)}
 			}
 		} else {
-			volumeLocations[vid] = operation.LookupResult{VolumeId: vid, Error: "Unknown volumeId format."}
+			volumeLocations[vid] = operation.LookupResult{VolumeId: vid, Error: fmt.Sprintf("Unknown volumeId format: %s", vid)}
 		}
 	}
 	return