Error: cannot expand version to a valid semver string: fetch /2874.tidb.json from mirror

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Original topic: Error: can not expand version to a valid semver string: fetch /2874.tidb.json from mirror

| username: zhijian

[TiDB Usage Environment] Production Environment / Testing / PoC
GitHub Action Runner Machine
[TiDB Version]
[Reproduction Path] Operations performed that led to the issue
[Encountered Issue: Issue Phenomenon and Impact]
Unable to use tiup to install single-node TiKV normally

[Resource Configuration]
[Attachments: Screenshots/Logs/Monitoring]

| username: dba-kit | Original post link

Was TiUP installed online? Can this machine access the internet?

| username: dba-kit | Original post link

It looks like the URL is fine.

| username: tidb菜鸟一只 | Original post link

Try manually using wget on this link.

| username: zhijian | Original post link

It could be a network issue with the GitHub Action machine.

| username: system | Original post link

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