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Type:
Task
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Resolution: Done
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Priority:
Unknown
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None
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Affects Version/s: None
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Component/s: None
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Empty show more show less
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Not Needed
NODE-4016 Description
What problem are you facing?
Passing null as a value of a property of the scope object in mapReduce() ends with a NULL-reference error:
TypeError: Cannot read properties of null (reading '_bsontype') at processScope (.\node_modules\mongodb\lib\operations\map_reduce.js:157:29)
What driver and relevant dependency versions are you using?
4.3.1
Steps to reproduce?
const { MongoClient } = require("mongodb"); const uri = "mongodb://127.0.0.1/"; const client = new MongoClient(uri); async function run() { try { await client.connect(); const database = client.db('test'); const test = database.collection('test'); await test.mapReduce(null, null, {scope: {test: null}, out: 'inline'}); } finally { await client.close(); } } run().catch(console.dir);
- is depended on by
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NODE-4016 NULL-reference error if a property in MapReduce `scope` is `null`
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- Backlog
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