Error when accesslog and error pages

middlewares/accesslog/logger.go

@@ -101,19 +101,25 @@ func openAccessLogFile(filePath string) (*os.File, error) {
 	return file, nil
 }
 
-// GetLogDataTable gets the request context object that contains logging data. This accretes
+// GetLogDataTable gets the request context object that contains logging data.
-// data as the request passes through the middleware chain.
+// This creates data as the request passes through the middleware chain.
 func GetLogDataTable(req *http.Request) *LogData {
-	return req.Context().Value(DataTableKey).(*LogData)
+	if ld, ok := req.Context().Value(DataTableKey).(*LogData); ok {
+		return ld
+	}
+	log.Errorf("%s is nil", DataTableKey)
+	return &LogData{Core: make(CoreLogData)}
 }
 
 func (l *LogHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request, next http.HandlerFunc) {
 	now := time.Now().UTC()
-	core := make(CoreLogData)
+
+	core := CoreLogData{
+		StartUTC:   now,
+		StartLocal: now.Local(),
+	}
 
 	logDataTable := &LogData{Core: core, Request: req.Header}
-	core[StartUTC] = now
-	core[StartLocal] = now.Local()
 
 	reqWithDataTable := req.WithContext(context.WithValue(req.Context(), DataTableKey, logDataTable))
 

middlewares/accesslog/save_backend.go

@@ -43,8 +43,6 @@ func (sb *SaveBackend) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
 	table.Core[OriginContentSize] = crw.Size()
 }
 
-//-------------------------------------------------------------------------------------------------
-
 // SaveFrontend sends the frontend name to the logger. These are sometimes used with a corresponding
 // SaveBackend handler, but not always. For example, redirected requests don't reach a backend.
 type SaveFrontend struct {

middlewares/errorpages/error_pages.go

@@ -99,7 +99,8 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, req *http.Request, next http.
 			utils.CopyHeaders(pageReq.Header, req.Header)
 			utils.CopyHeaders(w.Header(), recorder.Header())
 			w.WriteHeader(recorder.GetCode())
-			h.backendHandler.ServeHTTP(w, pageReq)
+
+			h.backendHandler.ServeHTTP(w, pageReq.WithContext(req.Context()))
 			return
 		}
 	}