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AnthropicStream decoding broken: SyntaxError: Unexpected end of JSON input. From chunk: [ 'event: content_block_delta' ] #1159

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baptisteArno opened this issue Mar 15, 2024 · 4 comments
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AnthropicStream decoding broken: SyntaxError: Unexpected end of JSON input. From chunk: [ 'event: content_block_delta' ] #1159

baptisteArno opened this issue Mar 15, 2024 · 4 comments
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@lgrammel

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@baptisteArno
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Description

To reproduce:

  • Deploy next-anthropic example
  • Type any prompt

CleanShot 2024-03-15 at 08 57 22

On the server, it shows this error: SyntaxError: Unexpected end of JSON input. From chunk: [ 'event: content_block_delta' ]

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@baptisteArno baptisteArno mentioned this issue Mar 15, 2024
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@lgrammel
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Which anthropic SDK version are you using? Is this an issue with v0.18.0?

@lgrammel lgrammel self-assigned this Mar 15, 2024
@baptisteArno
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I tried latest, and it also happens with the same versions as the example.

This bug seems to only happen when deployed on Vercel. I could not reproduce locally 🤦‍♂️

Just deploy the next-anthropic example, you should see the issue as is.

@lgrammel
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Related: #1173

It worked for me on Vercel with v0.18.0

@baptisteArno
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Confirmed! 👍

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@lgrammel @baptisteArno