Fixed #900

Fixed panic on redirection

src/mod/dynamicproxy/proxyRequestHandler.go

@@ -363,7 +363,20 @@ func (router *Router) logRequest(r *http.Request, succ bool, statusCode int, for
 		// in that case we will log it by default and will not enter this routine
 		return
 	}
-	if router.Option.StatisticCollector != nil && !endpoint.DisableStatisticCollection {
+
+	router.Option.Logger.LogHTTPRequest(r, forwardType, statusCode, originalHostname, upstreamHostname)
+
+	if router.Option.StatisticCollector == nil {
+		// Statistic collection not yet initialized
+		return
+	}
+
+	if endpoint != nil && !endpoint.DisableStatisticCollection {
+		// Endpoint level statistic collection disabled
+		return
+	}
+
+	// Proceed to record the request info
 	go func() {
 		requestInfo := statistic.RequestInfo{
 			IpAddr:                        netutils.GetRequesterIP(r),
@@ -380,6 +393,4 @@ func (router *Router) logRequest(r *http.Request, succ bool, statusCode int, for
 		router.Option.StatisticCollector.RecordRequest(requestInfo)
 	}()
 
-	}
-	router.Option.Logger.LogHTTPRequest(r, forwardType, statusCode, originalHostname, upstreamHostname)
 }