Nestjs TypeORM dependency issue

Question

I am relatively new to Nestjs and I am currently using it in my product, I keep getting the below error:

Error: Nest cannot export a provider/module that is not a part of the currently processed module (TypeOrmCoreModule). Please verify whether the exported Connection is available in this particular context.

Possible Solutions:
- Is Connection part of the relevant providers/imports within TypeOrmCoreModule?

    at Module.validateExportedProvider (/node_modules/@nestjs/core/injector/module.js:283:19)
    at addExportedUnit (/node_modules/@nestjs/core/injector/module.js:251:67)
    at Module.addExportedProvider (/node_modules/@nestjs/core/injector/module.js:262:9)
    at NestContainer.addExportedProvider (/node_modules/@nestjs/core/injector/container.js:127:19)
    at DependenciesScanner.insertExportedProvider (/node_modules/@nestjs/core/scanner.js:231:24)
    at /node_modules/@nestjs/core/scanner.js:134:50
    at Array.forEach (<anonymous>)
    at DependenciesScanner.reflectExports (/node_modules/@nestjs/core/scanner.js:134:17)
    at DependenciesScanner.scanModulesForDependencies (/node_modules/@nestjs/core/scanner.js:87:18)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at async DependenciesScanner.scan (/node_modules/@nestjs/core/scanner.js:29:9)
    at async /node_modules/@nestjs/core/nest-factory.js:95:17
    at async Function.asyncRun (/node_modules/@nestjs/core/errors/exceptions-zone.js:22:13)
    at async NestFactoryStatic.initialize (/node_modules/@nestjs/core/nest-factory.js:94:13)
    at async NestFactoryStatic.create (/node_modules/@nestjs/core/nest-factory.js:37:9)
    at async bootstrap (/dist/main.js:11:17)

I have no clue as to where this error is emanating from, it seems like a TypeOrm error however I am not sure.

Please any pointer to the cause or how it can be resolved would be deeply appreciated.

Nest version : "^8.0.0"

Thanks in advance.

Micael Levi · Accepted Answer · 2022-06-01 17:58:07Z

2

if you don't want to use the latest version of typeorm, you should downgrade @nestjs/typeorm to 8.0.4, as discussed here: https://github.com/nestjs/typeorm/issues/1289 because @nestjs/typeorm 8.1 is only compatible with [email protected]

edited Jun 1, 2022 at 17:58

answered Jun 1, 2022 at 16:08

Micael Levi

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