小编Yas*_*pal的帖子

我正在尝试使用graphql查询stardog服务器，这是我的代码。

import {
  GraphQLSchema,
  GraphQLObjectType,
  GraphQLInt,
  GraphQLString,
  GraphQLList,
  GraphQLNonNull,
  GraphQLID,
  GraphQLFloat
} from 'graphql';

import axios from 'axios';

var stardog = require("stardog");

let Noun = new GraphQLObjectType({
      name: "Noun",
      description: "Basic information on a GitHub user",
      fields: () => ({
          "c": {
       type: GraphQLString,
       resolve: (obj) => {
        console.log(obj);
          }
        }
     })
});

const query = new GraphQLObjectType({
      name: "Query",
      description: "First GraphQL for Sparql Endpoint Adaptive!",
      fields: () => ({
        noun: {
          type: Noun,
          description: "Noun data from fibosearch", …

我是亚马逊网络服务的新手.我创建了一个ec2实例,并希望在其上安装Java.我已下载rpm文件但无法执行它.下面是root下的文件夹/文件列表.

root@ip-172-31-6-12:~# ls
install.sh  jdk1.8_1.8.0171-1_amd64.deb  node_modules  node-v8.11.3.tar.gz
jdk-10.0.1  jdk-8u171-linux-x64.rpm      node-v8.11.3  survey

当我跑步的时候

dpkg -i jdk1.8_1.8.0171-1_amd64.deb

我收到了这条消息.

dpkg: warning: 'ldconfig' not found in PATH or not executable
dpkg: warning: 'start-stop-daemon' not found in PATH or not executable
dpkg: error: 2 expected programs not found in PATH or not executable
Note: root's PATH should usually contain /usr/local/sbin, /usr/sbin and /sbin

请让我知道,我在这里缺少什么.