httpx.ConnectError: [Errno 111] Connection refused

[pamus2]

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Example Code

import faiss
#from langchain_huggingface import HuggingFaceEmbeddings
from langchain_ollama import OllamaEmbeddings
from langchain_community.vectorstores import FAISS
from langchain_community.document_loaders import PyPDFLoader
from langchain.text_splitter import RecursiveCharacterTextSplitter

# Will convert text into vector embeddings using OpenAI.
# OS Embedding model from Huggingface
#embeddings = HuggingFaceEmbeddings(model_name='all-MiniLM-L6-v2')
embeddings = OllamaEmbeddings(model="llama3.2")

def main():
    # Reading the file
    loader = PyPDFLoader("/tmp/Demo/GenAI/data/impact_of_generativeAI.pdf")
    document = loader.load()

    # Splitting the document into chunks
    text_splitter = RecursiveCharacterTextSplitter(chunk_size=1000, chunk_overlap=100)
    doc = text_splitter.split_documents(document)

    # Index the text chunks in our FAISS store.
    # OpenAIEmbeddings will be used automatically to convert
    # Each chunk of text into vector embeddings using
    # OpenAI APIs.
    store = FAISS.from_documents(doc, embeddings)

    # Write our index to disk.
    store.save_local("/tmp/vectorstore")

if __name__ == "__main__":
    main()

Description

Here is my code and while executing the save_local command, the script is getting failed for httpx.ConnectError: [Errno 111] Connection refused.

System Info

python3.12
langchain==0.3.12
langchain-anthropic==0.2.3
langchain-community==0.3.12
langchain-core==0.3.25
langchain-ollama==0.2.1
langchain-text-splitters==0.3.3
"Oracle Linux Server"

[feijoes]

Try check this issue https://stackoverflow.com/questions/79055093/ollama-python-unable-to-set-client-host-httpx-connecterror ?