8c67e32d41
- Move the admin plugin's options to the Admin Configuration documentation. - Add a section on how to change the backend URL for both development and production. - Fix the troubleshooting section related to port forwarding. - General fixes.
19 lines
731 B
Markdown
19 lines
731 B
Markdown
---
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title: 'EADDRINUSE Error'
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---
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When you run your backend you may run to an error similar to the following:
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```bash
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code: 'EADDRINUSE',
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errno: -48,
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syscall: 'Listen',
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address: '::',
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port: 9000
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```
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This means that there's another process running at port `9000`. You need to either:
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- Change the default port used by the Medusa backend. You can do that by setting the `PORT` environment variable to a new port. When you do this, make sure to change the port used in other apps that interact with your Medusa backend, such as in your [admin](../admin/configuration.mdx#build-command-options) or [storefront](../starters/nextjs-medusa-starter.mdx#changing-medusa-backend-url).
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- Terminate other processes running on port `9000`.
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