I am having strange issue with Grapqh in apollo.
I use ubuntu 14.04
Nodejs 8.0
npm 5.0
Unhandled (in react-apollo) Error: GraphQL error: context$2$0.sent.cursor is not a function
Does anyone hade same issue?
Thank you!
Are you running a query in the resolver when this happens? Where is the error appearing?
Sorry i forgot to mention that.
It happens only when i run the bundle. So the main.js file that is created after the build command.
I build it on the same machine on which i try to run it.
So when the is “RAW meteor” everything is working just fine.
I tried different NodeJS Versions.
On version 5.0 i am getting errors about fibers,
And on any version higher than 5.0 i have issue with graphql.
The app is starting, but no connection to DB is running.
This error apears on client side, in chrome’s inspector.
Do i need to re-asign the MONGO_URL variable before i run the main.js file?
Nope, MONGO_URL did not fixed anything.
But now i got messages from the server side:
(node:19042) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): GraphQLError: context$2$0.sent.cursor is not a function
(node:19042) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
(node:19042) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 2): GraphQLError: context$2$0.sent.cursor is not a function
(node:19042) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 3): GraphQLError: context$2$0.sent.cursor is not a function
(node:19042) PromiseRejectionHandledWarning: Promise rejection was handled asynchronously (rejection id: 1)
(node:19042) PromiseRejectionHandledWarning: Promise rejection was handled asynchronously (rejection id: 2)
(node:19042) PromiseRejectionHandledWarning: Promise rejection was handled asynchronously (rejection id: 3)
(node:19042) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 4): GraphQLError: context$2$0.sent.cursor is not a function
(node:19042) PromiseRejectionHandledWarning: Promise rejection was handled asynchronously (rejection id: 4)
(node:19042) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 5): GraphQLError: context$2$0.sent.cursor is not a function
(node:19042) PromiseRejectionHandledWarning: Promise rejection was handled asynchronously (rejection id: 5)
I tried instead of localhost to use 127.0.0.1, and still no luck.
I assume that the issue is at the connection to GraphQL.
This is the file where i create Apollo Server:
import { Meteor } from 'meteor/meteor';
import { createApolloServer } from 'meteor/apollo';
import schema from '/imports/api/schema';
import {
graphql,
} from 'graphql';
Meteor.startup(() => {
createApolloServer({
schema,
});
});
This is schema.jsx where i make a connection to MongoDB:
// Mongo Connection
const mongo = require('promised-mongo').compatible();
const db = mongo('mongodb://localhost:27017/asimenia');
const aggeliesCollection = db.collection('aggelies');
const categoriesCollection = db.collection('categories');
And after i initialze the schema and types and querys.
Again i want to mention that the issue happens only after i build the meteor app.
There are no issues when i run the app with meteor command (before build).
Please if anyone had same issue i would appreciate any help.
Thank you!
I noticed that the messages actualy apears when some query is executed.
I use reactJS for front end, so the queries are attached to React components.
Here is an example of one component that executes a graphql query:
import React, { Component } from 'react';
import { gql, graphql } from 'react-apollo';
import createFragment from 'react-addons-create-fragment';
import {Card, CardActions, CardHeader, CardMedia, CardTitle, CardText} from 'material-ui/Card';
import FlatButton from 'material-ui/FlatButton';
import JobCard from '../common/JobCard';
class LatestJobsList extends Component {
constructor(props) {
super(props);
this.state = {
expanded: false,
};
}
render() {
return (
<section className="container">
{this.props.data.latestAggelies==undefined
? "Loading..."
: this.props.data.latestAggelies.map(aggelia => (
<JobCard key={aggelia.id} aggelia={aggelia} />
))
}
</section>
);
}
}
const MyQuery = gql`
{
latestAggelies: getLatestAggelies{
id,
category{
title
},
subCategory{
title
},
title,
description,
salary,
region,
created_at,
}
}
`;
const LatestJobsListData = graphql(MyQuery,{
options: { pollInterval: 5000 },
})(LatestJobsList);
export default LatestJobsListData;
This is the resolver:
getLatestAggelies: {
type: new GraphQLList(aggeliaType),
resolve(root) {
return aggeliesCollection.find().sort({created_at:-1}).limit(6).toArray();
}
},
And this is the aggeliaType:
const aggeliaType = new GraphQLObjectType({
name: 'aggelia',
fields: {
id: { type: GraphQLString },
category: {
type: new GraphQLList(categoryType),
resolve: function(rootQuery){
return categoriesCollection.find({title: rootQuery.category});
}
},
subCategory: {
type: new GraphQLList(categoryType),
resolve: function(rootQuery){
return categoriesCollection.find({title: rootQuery.subCategory});
}
},
title: { type: GraphQLString },
description: { type: GraphQLString },
salary: { type: GraphQLFloat },
region: { type: GraphQLString },
created_at: { type: GraphQLString }
}
})
And the last one categoryType:
const categoryType = new GraphQLObjectType({
name: 'category',
fields: {
_id: { type: GraphQLString },
title: { type: GraphQLString },
description: { type: GraphQLString },
top: { type: GraphQLString },
parentCategory: { type: GraphQLString },
subCategoriesCount: {
type: GraphQLInt,
resolve: function(rootQuery){
return categoriesCollection.find({top: false, parentCategory: rootQuery.title}).count();
}
},
aggeliesCount: {
type: GraphQLInt,
resolve: function(rootQuery){
return aggeliesCollection.find({subCategory: rootQuery.title}).count();
}
},
}
})
So I’m still thinking it may be node version dependent.
The official version for Meteor 1.5 is 4.8.3. Any other version is at your risk 
1 Like
Wow!
Thank you a lot. You were right.
I changed the NodeJS version to 4.8.3, rebuild the app and it worked.
wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | bash
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh" # This loads nvm
nvm install 4.8.3
1 Like