Question

我试图在基于Graphql的系统中使用广为宣传的自动持久查询来提高性能，但是花了三天之后，我无法解决以下问题。如果您尝试查找，Apollo文档中有很多关于该主题的404页-

在客户端上：

我用过

import { createPersistedQueryLink } from "apollo-link-persisted-queries";


const httpLink = createHttpLink({uri: API_URL })


const apqSwitch = createPersistedQueryLink({useGETForHashedQueries: true}).concat(httpLink);

  let links = [errorlink, stateLink, setSiteIdHeaderLink, apqLinkSwitch]

  const link = ApolloLink.from(links)

  const client = new ApolloClient({
    defaultOptions: {
      watchQuery: {
        errorPolicy: 'all'
      },
      query: {
        errorPolicy: 'all'
      },
      mutate: {
        errorPolicy: 'all'
      }
    },
    link,
    cache,
    connectToDevTools: true,
    credentials: 'include',
  })

  return { client, persistor }
}

客户端依赖项：

"apollo-boost": "^0.1.22",
"apollo-cache-inmemory": "^1.3.11",
"apollo-cache-persist": "^0.1.1",
"apollo-client": "^2.4.7",
"apollo-link": "^1.2.3",
"apollo-link-batch-http": "^1.2.8",
"apollo-link-http": "^1.5.9",
"apollo-link-persisted-queries": "^0.2.2",
"apollo-link-retry": "^2.2.5",
"apollo-link-schema": "^1.1.1",

在服务器上：

import { InMemoryLRUCache } from 'apollo-server-caching';
const { RedisCache } = require('apollo-server-cache-redis');

const server = new ApolloServer({
  ...root,
  resolverValidationOptions: {
    requireResolversForResolveType: false,
  },
  persistedQueries: {
    /*
    cache: new CustomRedis(),
    */
    cache: new RedisCache({
      host: 'localhost',
      port: xxxx,
    }),
  },
  formatError,
  formatResponse: (response, query) => formatResponse({ response, query }),
  dataSources
});

服务器依赖性：

"apollo-datasource-rest": "^0.3.2",
"apollo-errors": "^1.9.0",
"apollo-server-cache-redis": "^0.3.1",
"apollo-server-caching": "^0.3.1",
"apollo-server-express": "^2.4.8",
"cors": "^2.8.5",
"dataloader": "^1.4.0",
"express": "^4.16.3",
"glob": "^7.1.3",
"graphql": "^14.0.2",
"graphql-import": "^0.7.1",
"graphql-resolvers": "^0.2.2",

观察：

从客户端看，sha1已被发送到服务器。

变量=％7B％7D＆扩展名=％7B％22persistedQuery％22％3A％7B％22version％22％3A1％2C％22sha256Hash％22％3A％22fd4c5f1ae3sfsf6ee0f0710b8d303a9703db7a6708b401278e7d7e7d6e7d7e6e7d7e7e6e7e6e7e6e7e6e6e7e6e6e7e7e7e人

服务器正在Redis缓存中寻找sha1，但找不到
服务器返回PersistedQueryNotFound”，“ MsgCode”：“ PERSISTED_QUERY_NOT_FOUND 错误给客户

在此之后什么都没有发生，redis缓存中没有执行设置操作，并不断出现PERSISTED_QUERY_NOT_FOUND错误

问题： APQ无法正常工作，不断出现PersistedQueryNotFound错误

Answer 1

我还配置了APQ，它们按预期工作。

您能在client端尝试下面的代码吗？服务器端与我几乎相同。

import { createPersistedQueryLink } from "apollo-link-persisted-queries";
import { createHttpLink } from "apollo-link-http";
import { InMemoryCache } from "apollo-cache-inmemory";
import ApolloClient from "apollo-client";

const link = createPersistedQueryLink({useGETForHashedQueries: true}).concat(createHttpLink({ uri: "/graphql" }));

const client = new ApolloClient({
  cache: new InMemoryCache(),
  link: link,
});

已记录here！

Apollo客户端和服务器中的自动持久查询无法正常工作，并出现PERSISTED_QUERY_NOT_FOUND错误

1 个答案: