Error on PDF Loader while parsing & loading

LangSmith Product Help
1

Hi LangChain team :waving_hand:
I’m running into an issue with PDFLoader from @langchain/community when loading local PDFs.

Environment

  • Runtime: Node 20.x (also reproduced with Bun)

  • Module system: ESM

  • OS: Linux

  • LangChain packages:

  •     "@langchain/community": "^1.1.0",
    "@langchain/core": "^1.1.5",
    "@langchain/openai": "^1.2.0",
    "@langchain/qdrant": "^1.0.1",
    "@langchain/textsplitters": "^1.0.1",
    "@types/express": "^5.0.6",
    "@types/pdfjs-dist": "^2.10.378",
    "bullmq": "^5.66.0",
    "cors": "^2.8.5",
    "express": "^5.2.1",
    "multer": "^2.0.2",
    "pdf-parse": "^2.4.5",
    "pdfjs-dist": "^5.4.449"

Code

import { Worker } from 'bullmq';
import { OpenAIEmbeddings } from "@langchain/openai";  
import { QdrantVectorStore } from "@langchain/qdrant";
import { Document } from "@langchain/core/documents";
import { PDFLoader } from "@langchain/community/document_loaders/fs/pdf";
import { CharacterTextSplitter } from "@langchain/textsplitters";

const worker = new Worker(
    'file-upload-queue',
    async job => {
        console.log("JOB: ", job.data);
        const data = JSON.parse(job.data);
        //Load the PDF
        
        console.log("Loading PDF from path: ", data.path);
        const loader = new PDFLoader(data.path);
        console.log(loader);
        
        const docs = await loader.load();
        console.log(docs);
        
        // const textSplitter = new CharacterTextSplitter({
        //     chunkSize: 300,
        //     chunkOverlap: 0,
        // })
        // const texts = await textSplitter.splitDocuments(docs);
        // console.log(texts);
        
}, 
{ 
    concurrency: 100,
    connection: {
        host: 'localhost',
        port: 6379,
    }
 }
);

Error

Error [ERR_PACKAGE_PATH_NOT_EXPORTED]:
Package subpath './lib/pdf.js/v1.10.100/build/pdf.js'
is not defined by "exports" in
node_modules/pdf-parse/package.json

at @langchain/community/dist/document_loaders/fs/pdf.js
  1. The error seems to come from a deep import inside pdf-parse that is no longer exposed via "exports".
  2. This fails consistently in Node ESM and Bun.
  3. Downgrading pdf-parse this also didnt work neither in ^1.1.1 neither in ^2.4.5
  4. Using pdfjs-dist also didnt work
2

did you found the solution? I am facing same issues