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Error: KV GET failed: 414 UTF-8 encoded length of 528 exceeds key length limit of 512. #1049

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Error: KV GET failed: 414 UTF-8 encoded length of 528 exceeds key length limit of 512.#1049
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@sentry
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opened on Oct 1, 2026

Sentry Issue: DIST-WORKER-PROD-FA

Error: KV GET failed: 414 UTF-8 encoded length of 528 exceeds key length limit of 512.
  at result (./dist/../src/providers/kvProvider.ts:33:44)
  at retryWrapper (./dist/../src/utils/provider.ts:13:28)
  at KvProvider.readDirectory (./dist/../src/providers/kvProvider.ts:32:20)
  at R2Provider.readDirectory (./dist/../src/providers/r2Provider.ts:112:20)
  at handleDirectory (./dist/../src/middleware/r2Middleware.ts:49:18)
...
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This issue was automatically created by Sentry via Node.js Worker Default Rule

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  1. sentry
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    bugSomething isn't working
    on Oct 1, 2026

  2. MattIPv4 commented on Oct 1, 2026

    @MattIPv4
    MattIPv4
    on Oct 1, 2026
    Member

    https://nodejs.org/download/nightly/%29%E3%81%AE%E3%83%90%E3%82%A4%E3%83%8A%E3%83%AA%E3%83%BC%E3%82%84%5B%E9%81%8E%E5%8E%BB%E3%81%AE%E3%83%AA%E3%83%AA%E3%83%BC%E3%82%B9%5D%28https:/nodejs.org/download/release/%29%E3%80%81%E4%BB%96%E3%81%AE%E3%83%97%E3%8... is the (truncated) URL tracked that caused this, so very clearly a malformed request from a user.

    We probably could do some proactive rejection of such a request (404'ing it, as I think we're safe to say that such a request is for a file/directory that won't exist), but definitely not a major issue.

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