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avoid null in json response

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This commit is contained in:
Chris Lu 2012-09-04 00:34:28 -07:00
parent a74f6cf593
commit a7d8d46306
1 changed files with 1 additions and 1 deletions
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2
weed-fs/src/cmd/weed/master.go
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@ -43,7 +43,7 @@ func dirLookupHandler(w http.ResponseWriter, r *http.Request) {
volumeId, _ := storage.NewVolumeId(vid)
machines, e := mapper.Get(volumeId)
if e == nil {
var ret []map[string]string
ret:= []map[string]string{}
for _, machine := range machines {
ret = append(ret,map[string]string{"url": machine.Url, "publicUrl": machine.PublicUrl})
}