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do not close websocket connection on empty string (#2351)
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@ -494,10 +494,6 @@ func (t *TerminalHandler) read(out []byte, ws *websocket.Conn) (n int, err error
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return 0, trace.Wrap(err)
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}
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if len(data) < 1 {
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return 0, trace.BadParameter("frame must have length of at least 1")
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}
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switch string(envelope.GetType()) {
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case defaults.WebsocketRaw:
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n := copy(out, data)
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