ModelExport exportObject = ModelExport.of(Schema.VERSION); addEntry(tos, EXPORT_MODEL_INFO_FILE_NAME, Json.writer().writeValueAsBytes(exportObject)); addEntry(tos, EXPORT_MODEL_FILE_NAME, memJsonDB.getAsByteArray("/")); memJsonDB.close(); for (String extensionId : extensions) { addEntry(tos, "extensions/" + Names.sanitize(extensionId) + ".jar", IOUtils.toByteArray(