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improve error message

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Upstream-commit: 6a9fb81c5794166fc62e8fc5c638127d69f13eee
Component: engine
This commit is contained in:
Victor Vieux
2013-10-30 11:24:50 -07:00
committed by Michael Crosby
parent da9e3155ba
commit eabb6b91bc
1 changed files with 3 additions and 0 deletions
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3
components/engine/runtime.go
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@ -355,6 +355,9 @@ func (runtime *Runtime) Create(config *Config, name string) (*Container, []strin
// Set the enitity in the graph using the default name specified
if _, err := runtime.containerGraph.Set(name, id); err != nil {
if strings.HasSuffix(err.Error(), "name are not unique") {
return nil, nil, fmt.Errorf("Conflict, %s already exists.", name)
}
return nil, nil, err
}