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fix: MongoError circular dependency #2734

Merged
merged 2 commits into from
Feb 10, 2021
Merged

fix: MongoError circular dependency #2734

merged 2 commits into from
Feb 10, 2021

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ztomm
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@ztomm ztomm commented Feb 8, 2021

Bugfix for: "Accessing non-existent property 'MongoError' of module exports inside circular dependency"

Related to https://developer.mongodb.com/community/forums/t/warning-accessing-non-existent-property-mongoerror-of-module-exports-inside-circular-dependency/15411

Description

What changed?

Are there any files to ignore?

@ztomm ztomm changed the title Update options_operation.js fix: MongoError circular dependency Feb 8, 2021
@nbbeeken
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nbbeeken commented Feb 8, 2021

@xkmgt Thanks so much for helping us out with this, testing locally looks like we need to make this same change in lib/operations/operation.js. Are you not seeing the warning emit a stack trace leading to that file? We may need to dig deeper to make sure we catch all the cases where the require calls have this warning.

@ztomm
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ztomm commented Feb 9, 2021

@nbbeeken you are right. lib/operations/operation.js is the file which causes the circularity.

These files require MongoError and OperationBase at the same time:

const MongoError = require('../core').MongoError;
const OperationBase = require('./operation').OperationBase;
  • lib\operations\bulk_write.js
  • lib\operations\command_v2.js
  • lib\operations\command.js
  • lib\operations\execute_db_admin_command.js
  • lib\operations\execute_operation.js
  • lib\operations\find_and_modify.js
  • lib\operations\find.js
  • lib\operations\insert_many.js
  • lib\operations\insert_one.js
  • lib\operations\map_reduce.js
  • lib\operations\options_operation.js

Changing the path in lib/operations/operation.js solves it. The mod in lib\operations\options_operation.js is unnecessary.

It's running now for some hours in a productive project without any errors. I am happy with it ;-)

@leon
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leon commented Feb 16, 2021

When can you release a new version containing this?

janober added a commit to n8n-io/n8n that referenced this pull request Feb 18, 2021
This was referenced Mar 17, 2021
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