Unable to connect with PineconeStore -> TypeError: Cannot read properties of undefined (reading 'text') about gpt4-pdf-chatbot-langchain

[dosubot]

The error you're encountering suggests there's an issue with the structure of the docs object passed to PineconeStore.fromDocuments, specifically that elements within docs are missing the expected text property. To resolve this, you should first verify the structure of docs after splitting the documents. Ensure each element has a text property by inspecting the output of textSplitter.splitDocuments(rawDocs).

If the structure doesn't match expectations, you may need to adjust docs before passing it to PineconeStore.fromDocuments. For example, if docs is supposed to be an array of objects with a text property but isn't formatted correctly, you'll need to transform docs to ensure each object contains a text key with the appropriate value.

Here's a quick way to debug and potentially adjust the docs structure:

1. Log the structure of docs to confirm each element contains a text property:

   console.log('split docs', JSON.stringify(docs, null, 2));

2. If the structure is incorrect, adjust docs accordingly:

   const adjustedDocs = docs.map(doc => ({
     text: doc.someOtherProperty // Replace `someOtherProperty` with the actual property name
   }));

Then, use adjustedDocs in place of docs when calling PineconeStore.fromDocuments.

This approach should help you resolve the "TypeError: Cannot read properties of undefined (reading 'text')" error by ensuring the data passed to PineconeStore.fromDocuments is correctly structured.

Details

Sources

• ErrorWithoutStackTrace: PineconeClient: Error calling upsert: ErrorWithoutStackTrace: undefined
• Ingest Error (previously working)
• stream.getReader
• scripts/ingest-data.ts

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