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@@ -90,7 +90,13 @@ class ScarlingHandler(val session: IoSession, val config: Config) extends Actor
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     private def handle(request: memcache.Request) = {
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         request.line(0) match {
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             case "GET" => get(request.line(1))
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-            case "SET" => set(request.line(1), request.line(2).toInt, request.line(3).toInt, request.data.get)
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+            case "SET" =>
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+                try {
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+                    set(request.line(1), request.line(2).toInt, request.line(3).toInt, request.data.get)
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+                } catch {
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+                    case e: NumberFormatException =>
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+                        throw new memcache.ProtocolException("bad request: " + request)
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+                }
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             case "STATS" => stats
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             case "SHUTDOWN" => shutdown
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         }