Mongoosastic: TypeError:无法读取未定义的属性“toLowerCase”

Question

当使用蒙哥拉斯同步模型时，我收到了以下错误：

(/app/node_modules/mongoosastic/lib/mongoosastic.js:239:29) at EmbeddedDocument.schemaIndex as指标 at EmbeddedDocument.postSave (/app/node_modules/mongoosastic/lib/mongoosastic.js:269:14) at next (/app/node_modules/kareem/index.js:198:31)在/app/node_modules/mongoose/lib/plugins/saveSubdocs (/app/node_modules/kareem/index.js:217:3)处读取未定义的属性“toLowerCase”。在模型的每个(/app/node_modules/mongoose/lib/helpers/each.js:11:5)的.js:54:29。(/app/node_modules/mongoose/lib/plugins/saveSubdocs.js:53:5) at callMiddlewareFunction (/app/node_callMiddlewareFunction/kareem/index.js:482:23)下一个(/app/node_callMiddlewareFunction/kareem/index.js:193:9)，下一个(/app/node_callMiddlewareFunction/kareem/index.js:212:9)在_cb (/app/node_ Kareem.execPost /kareem/index.js:217:3)。:307:15) at /app/node_modules/mongoose/lib/model.js. at :400:5在/app/node_modules/mongoose/lib/model.js:324:11 at runMicrotasks ()

( 1.)orderLineItem模式：

let orderLineItemSchema = new mongodb.Schema({
    orderId: { type: String, es_indexed: true },
    name: { type: String, es_indexed: true },
    description: { type: String, es_indexed: true },
    privateNotice: { type: String, es_indexed: true },
    netPrice: { type: String, default: 0, es_indexed: true },
    taxPercent: { type: Number, default: 23, es_indexed: true },
    projectFile: { type: projectFileSchema, es_schema: projectFileSchema, es_indexed: true, es_type: 'nested', es_include_in_parent: true },
    component: { type: [componentSchema], es_indexed: true, es_type: 'nested', es_include_in_parent: true },
    additionalFiles: { type: [projectFileSchema], es_indexed: true, es_type: 'nested', es_include_in_parent: true },
    status: { type: orderLineItemStatusSchema, es_indexed: true },
    accepted: { type: Boolean, default: false, es_indexed: true },
    archived: { type: Boolean, default: false, es_indexed: true }
}, {
    timestamps: true
});

( 2.)projectFileSchema:

let projectFileSchema = new mongodb.Schema({
    name: { type: String, es_indexed: true },
    mimeType: { type: String, es_indexed: true },
    path: { type: String, es_indexed: true },
    archived: { type: Boolean, default: false, es_indexed: true }
});

( 3.)组件模式：

let componentSchema = new mongodb.Schema({
    name: { type: String, es_indexed: true },
    category: { type: String, es_indexed: true },
    componentId: { type: String, es_indexed: true },
    symbol: { type: String, es_indexed: true },
    archived: { type: Boolean, default: false, es_indexed: true }
});

( 4.)orderLineItemStatusSchema:

let orderLineItemStatusSchema = new mongodb.Schema({
    name: {
        type: String,
        default: 'Utworzony'
    }
}, {
    timestamps: true
});

( 5.)我的同步代码：

const synchronize = (model) => {
    let stream = model.synchronize();

    stream.on('data', function(err, doc){
      // Logging success to the console
    });
    stream.on('close', function(){
      // Logging ...
    });
    stream.on('error', function(err){
        console.log(err);
    });
}

module.exports = synchronize;

( 6.)下面是我如何使用它：

const mongodb = require('mongoose');
const mtastic = require('mongoosastic');
const esClient = require('../dependencies/elasticsearch');
const orderLineItemSchema = require('../schemas/OrderLineItem/OrderLineItem');
const synchronizer = require('../helpers/synchronizer'); // This is the synchronization function

orderLineItemSchema.plugin(mtastic, {
    esClient: esClient
});

let OrderLineItem = mongodb.model('OrderLineItem', orderLineItemSchema);

let interval = setInterval(() => {
    synchronizer(OrderLineItem);
}, 10000);

module.exports = OrderLineItem;

这是完全相同的方式，我同步其他模型在我的应用程序，但只有这个返回的错误。

我怎么才能解决这个问题？

Answer 1

在Mongoosastic存储库中有二 问题关闭，没有解决方案，这表明这很可能是库中的一个bug，在用户代码中可能没有解决方案。

这些问题与您的共同之处在于子文档的使用，快速浏览库的源代码就会发现，它可能确实与不正确地处理这种情况有关。

查看库的测试套件也没有显示任何涉及此场景的测试，进一步表明它可能根本不受支持。

Answer 2

现在还不清楚从源代码为什么modelName会是undefined.

无论如何，每个mongoosastic模型构造函数都是参数，所以在注册插件时我会声明它：

...
orderLineItemSchema.plugin(mtastic, {
    esClient: esClient,
    index: 'orders-index`     // <---
});

let OrderLineItem = mongodb.model('OrderLineItem', orderLineItemSchema);
...