diff --git a/lib/RequestHandler.go b/lib/RequestHandler.go
index 5a50ae4..0d4adf2 100644
--- a/lib/RequestHandler.go
+++ b/lib/RequestHandler.go
@@ -66,7 +66,10 @@ func (wp *WorkerPool) processRequest(request RequestObject) {
 
 	var result map[string]interface{}
 	if err := json.Unmarshal(messageBytes, &result); err != nil {
-		wp.logger.Error("Failed to unmarshal JSON", zap.Error(err))
+		wp.logger.Error("Failed to unmarshal JSON",
+			zap.Error(err),
+			zap.String("messageBytes", string(messageBytes)),
+			zap.Int("bytesLength", len(messageBytes)))
 		return
 	}
 
diff --git a/server/handlers.go b/server/handlers.go
index 4231c43..bb7fbe3 100644
--- a/server/handlers.go
+++ b/server/handlers.go
@@ -70,7 +70,12 @@ func eventsHandlerJson(workerPool *lib.WorkerPool) http.HandlerFunc {
 
 		body, err := ioutil.ReadAll(reader) // todo Limit to 1MB
 		if err != nil {
-			logger.Error("Error reading request body", zap.Error(err))
+			logger.Error("Error reading request body",
+				zap.Error(err),
+				zap.String("remote_addr", r.RemoteAddr),
+				zap.String("user_agent", r.UserAgent()),
+				zap.Int64("content_length", r.ContentLength),
+			)
 			http.Error(w, "Request body invalid", http.StatusBadRequest)
 			metrics.EventHandlerTimeHist.WithLabelValues(JSON, ERROR).Observe(float64(utils.NanosToMillis(time.Now().UnixNano()) - eventHandlerStartTime))
 			return