LangChain.Databases.Chroma 0.17.0 fails with Chroma 1.x (405/410: the v1 API is gone)
维护者通常 1 天内回复
评估
调研方向
Start from the existing Chroma implementation in the repo (the LangChain.Databases.Chroma package and its tests, currently backed by Microsoft.SemanticKernel.Connectors.Chroma) and from Microsoft.Extensions.VectorData's provider shape, which the issue names as the target. Reproduce against chromadb/chroma:1.5.9 to confirm the 405/410 failures, then port the collection create/exists/get operations to the v2 API behind a VectorData provider so the existing tests pass on 1.5.9. Note a pull request (#180) already implements this and is open, so check that thread before starting — the issue alone does not define scope beyond it.
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描述
LangChain.Databases.Chroma 0.17.0, the latest stable on NuGet, does not work with Chroma 1.x. It talks to the v1 API of Chroma through Microsoft.SemanticKernel.Connectors.Chroma, and Chroma 1.x serves only the v2 API. Against chromadb/chroma:1.5.9:
CreateCollectionAsync:HttpOperationException: Response status code does not indicate success: 405 (Method Not Allowed).IsCollectionExistsAsync:HttpOperationException: ... 410 (Gone).GetCollectionAsync:InvalidOperationException: Collection not found, with the same 410 Gone inside.
The same code works against Chroma 0.5.15, the last release with only the v1 API.
Since LangChain.Databases moved to Microsoft.Extensions.VectorData, Chroma can come back through a Microsoft.Extensions.VectorData provider for Chroma, with the existing tests. A pull request that does this, with the tests passing on Chroma 1.5.9, follows. The old package could then be deprecated on NuGet in favor of that provider.
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tryAGI/LangChain.Databases 的其他 Issue
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难度 4/5 3-5 天 新手友好度 48/100
tryAGI/LangChain.Databases#178 · 1 条评论 ·
维护者通常 1 天内回复
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enhancement
难度 5/5 一周以上 新手友好度 20/100
tryAGI/LangChain.Databases#84 ·
维护者通常 1 天内回复
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bug dependencies documentation help wanted
难度 4/5 3-5 天 新手友好度 35/100
tryAGI/LangChain.Databases#53 · 6 条评论 ·
维护者通常 1 天内回复
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todo
难度 4/5 3-5 天 新手友好度 35/100
tryAGI/LangChain.Databases#15 ·
维护者通常 1 天内回复
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todo
难度 3/5 1-2 天 新手友好度 35/100
tryAGI/LangChain.Databases#4 ·
维护者通常 1 天内回复
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