synchronized Jsonb jsonb() { if (jsonb == null) { jsonb = manager .getJsonbProvider() .create() .withProvider(new PreComputedJsonpProvider("test", manager.getJsonpProvider(), manager.getJsonpParserFactory(), manager.getJsonpWriterFactory(), manager.getJsonpBuilderFactory(), manager.getJsonpGeneratorFactory(), manager.getJsonpReaderFactory())) // reuses the same memory buffers .withConfig(new JsonbConfig().setProperty("johnzon.cdi.activated", false)) .build(); } return jsonb; }