public static void createItems(ChatData chatData) { Table table = dynamoDB.getTable(tableName); System.out.println(table.getTableName()); try { Item item = new Item() .withPrimaryKey("TimeStamp", dateNow()) .withString("user", chatData.getUser()) .withString("chat", chatData.getChat()); table.putItem(item); } catch (Exception e) { System.err.println("Create items failed."); System.err.println(e.getMessage()); } }