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patch: fx group behavior differs between lists and non-lists #133

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4 changes: 4 additions & 0 deletions cmd/xmidt-agent/main.go
Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,10 @@ func onStop(ws *websocket.Websocket, qos *qos.Handler, shutdowner fx.Shutdowner,
ws.Stop()
qos.Stop()
for _, c := range cancels {
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@denopink denopink May 17, 2024

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currently this triggers panics when a wrp handler returns a nil for Cancel func() group:"cancels"

this bug wasn't caught because we weren't returning errors when fx's lifecycle Start/Stop encountered a panic

if c == nil {
continue
}

c()
}

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