fix lint

server/json_rpc.go

@@ -148,8 +148,10 @@ func StartJSONRPC(
 			// The calling process canceled or closed the provided context, so we must
 			// gracefully stop the gRPC server.
 			logger.Info("stopping JSON-RPC server...", "address", config.JSONRPC.Address)
-			shutdownCtx, _ := context.WithTimeout(context.Background(), 10*time.Second)
-			httpSrv.Shutdown(shutdownCtx)
+			if err := httpSrv.Shutdown(context.Background()); err != nil {
+				logger.Error("failed to shutdown JSON-RPC server", "error", err.Error())
+			}
+			return ln.Close()
 
 		case err := <-errCh:
 			if err == http.ErrServerClosed {

server/start.go

@@ -417,7 +417,11 @@ func startInProcess(svrCtx *server.Context, clientCtx client.Context, opts Start
 		idxer = indexer.NewKVIndexer(idxDB, idxLogger, clientCtx)
 		indexerService := NewEVMIndexerService(idxer, clientCtx.Client.(rpcclient.Client), config.JSONRPC.AllowIndexerGap)
 		indexerService.SetLogger(servercmtlog.CometLoggerWrapper{Logger: idxLogger})
-		go indexerService.Start()
+		go func() {
+			if err := indexerService.Start(); err != nil {
+				logger.Error("failed to start evm indexer service", "error", err.Error())
+			}
+		}()
 	}
 
 	if config.API.Enable || config.JSONRPC.Enable {

testutil/network/network.go

@@ -647,12 +647,7 @@ func (n *Network) Cleanup() {
 		}
 
 		if v.jsonrpc != nil {
-			shutdownCtx, cancelFn := context.WithTimeout(context.Background(), 10*time.Second)
-			defer cancelFn()
-
-			if err := v.jsonrpc.Shutdown(shutdownCtx); err != nil {
-				v.tmNode.Logger.Error("HTTP server shutdown produced a warning", "error", err.Error())
-			}
+			_ = v.jsonrpc.Close()
 		}
 	}