Aws lambda layer cannot find module. Apparently after a certain version of Node.

Aws lambda layer cannot find module. Apparently after a certain version of Node.

Aws lambda layer cannot find module. After following these steps, your function should be able to import and use the 'openai' module. On an existing repository, I added axios as dependency. Here is my tsconfig file I used to compile my index. 当在 Node. jsm, and not the correct one . For more examples of how to use Lambda layers, see the layer-python sample application in the AWS Lambda Developer Guide GitHub repository. 11). This application includes two layers that contain Python libraries. Incorrect Lambda Layer Configuration Reason: The psycopg2 library might be placed in a Lambda Layer, but the Layer is not correctly attached to the Lambda function or does not contain the library in the expected path. My serverless. I wouldn't want to use a random lambda layer as abit of a security risk but these are the steps i did to get it working (for others wanting to fix the same issue): Dec 13, 2018 · In a AWS Lambda/NodeJS runtime, I'm attempting to import from an absolute path (/opt/nodejs/node_modules/puppeteer). ImportModuleError: Error: Cannot find module However, without using the layers configuration the functions run successfully. Here is my folder structure I have installed the python google API library in gogoleapis folder using the below Mar 15, 2024 · AWS Lambda/Serverless : "Cannot find module" error, but axios works Asked 1 year, 6 months ago Modified 1 year, 6 months ago Viewed 175 times I was building the project with aws-cdk and solved the problem by adding this part in the lambda build conf: bundling: { externalModules: ['chrome-aws-lambda'], sourceMap: true } If you do not define chrome-aws-lambda as external modules, it does not work. js Name the handler, within the file, exports. Apparently after a certain version of Node. The problem at least in my case was how the Oct 30, 2019 · The issue is not that local invoke won't run but that the lambda invoked can't find any modules that are namespaced with an @ symbol within the modules. If you don't want to use layer, you can also use the same docker tool to e as explained in the recent AWS blog: How do I create a Lambda layer using a simulated Lambda environment with Docker? Since layer works, including django in a regular package should also work. 2 installed into my AWS Lambda with python3. Help with Python Lambda Layers needed: Imports within a module fail unless also imported in the Lambda code. I am using version 3. js 14. js Agent Reference [4. For Node. json I have my list of dependencies and type set to module. ") Dec 15, 2018 · I am creating a lambda layer, bundling up some dependencies, including node_modules. Hope everyone is doing well. /async'" opened 07:42PM - 18 Apr 22 UTC closed 11:39AM - 26 Apr 22 UTC kitsunde Sep 12, 2021 · 1 There's now a managed layer that includes Pandas, so you don't need to create your own. js SDK It was due to lambda function running on a different chip to my local machine and the . It worked after changing to a forward slash. mjs - the extension is now . A Lambda layer is a . js code. 10 and whenever I try to import pydantic I get the following exception: [ERROR] Runtime. Oct 8, 2023 · If you're running node18 or higher, the lambda runtime doesn't contain the aws-sdk anymore by default, it has @aws-sdk modules instead. Jsonschema can get import and it works but rpds does not. ) I hit this snag yesterday. js 18 runtime. Source runs fine locally but, once bundled with Aug 5, 2020 · I am trying to use the layer in my personal project but keep getting an error \\"Error: Cannot find module 'puppeteer-core/lib/cjs/common/Browser'" I feel like I am Jul 25, 2022 · I have an AWS Lambda whose folder structure is this: src-ts │ app. ImportModuleError: Error: Cannot find module 'aws-sdk Nothing changed besides the region. yaml ``` HelpersLayer: Jul 10, 2023 · 23 AWS lambda deployment of FastAPI gives the following error: [ERROR] Runtime. Basically, I created a typescript project and using AWS CDK to create my lambda resources. Reference these layers in the defineFunction construct for sendEmailReceipt . When importing axios, I encountered Module not found but when importing old dep Sep 12, 2023 · Hey @cappy123abc glad to hear you were able to find a solution 🙏 from your local env if changes to the layer does not show it in an UPDATE state from amplify status, you can run amplify env checkout <current-env-name> which will bump the layer version ahead of amplify push Out of curiosity are you also using Amplify Hosting with automated builds and deployments from git? If your existing Lambda functions are using the included SDK v2, then you must update your function code to use the SDK v3 when upgrading to the Node. x) to compress images uploaded via API Gateway. ImportModuleError", "errorMessage": "Error: Cannot f Jul 15, 2020 · Hi @kldeb is there anything else in the Lambda layer that you are importing besides node_modules? Can you share the line of code in your Lambda function where the import is failing? Jun 16, 2020 · The layer had 42 MB which is close to the 50 MB limit of lambda. This makes it a great option for running event-driven applications, such as processing data from IoT devices or responding to API requests. Apr 26, 2022 · lambda layer > 60 seem to break with "Error: Cannot find module '. Instead of bundling the dependency with my app , I am looking to do this via Lambda Layers. Error: Cannot find module 'uuid/v4' I am not using AWSCLI or NPM, i am instead using the AWS Lambda dashboar Feb 15, 2020 · Lambda fails with "Cannot find module" Asked 5 years, 4 months ago Modified 5 years, 3 months ago Viewed 3k times Dec 11, 2024 · The issue is likely with the directory structure of your layer. I then The error goes like that : {"errorType":"Runtime. By following a structured troubleshooting approach, you can resolve this issue: Fix ModuleNotFoundError in AWS Lambda by packaging Python libraries correctly, using Lambda Layers, and matching Python runtimes step by step. ImportModuleError" errors have you down? I honestly thought one of the big selling points of AWS Lambdas were that they were super fast to spin up. x, after switching to 18. However, there are a few common errors that you may encounter when working Mar 1, 2022 · I am testing out using the new ES Module system, along with a Lambda Layer. I am trying to import it through a layer and it comes with jsonschema. Jan 2, 2025 · Create a Lambda function named sendEmailReceipt. The aws-sdk node module is available to all lambda functions, but for all other node dependencies you must install them so they will be packaged with your lambda when you deploy. x] | Elastic and have the arn:aws:lambda:<REGION>:267093732750:layer:elastic-apm-node-ver-4-1-0:1 lambda layer install, then I would expect that to work. x has a deprecation date of Jun 12, 2024 Refactor your lambda to use the new version of @aws-sdk. Push the changes to trigger a build in the Amplify console. I h. The following topics provide troubleshooting advice for errors and issues that you might encounter when using the Lambda API, console, or tools. Mar 5, 2025 · The AWS Lambda "Cannot find module" error usually results from missing dependencies, incorrect deployment practices, or case-sensitive file mismatches. E. There are are a number of similar open issues on Github: Nodejs Lambda: Cannot find package 'aws-sdk' Cannot find package when using ES Module and Lambda Layer ES6 imports don't work in @aws-sdk/client-iotsitewise As you have worked out, the only workaround at present seems to be the use of absolute paths. If I deploy this to AWS the lambda works fine and finds all the modules included in the layer. After creating the layer, you can deploy and invoke the corresponding function to confirm that the layer works as expected. x) project on AWS Lambda, I am getting the following error: ``` { "errorType": "Runtime. _pydantic_core' Traceback (most recent call last): Though the pydantic lib is already installed. zip AWS Lambda Cannot Find Module ‘index’ AWS Lambda is a serverless compute platform that allows you to run code without having to worry about provisioning or managing servers. handler Zip up only the contents of the folder, not the folder itself (as mentioned above) and rename the zip file exports. May 3, 2024 · Create a Lambda function that imports @aws-sdk/client-s3 with a layer containing nodejs/node_modules/ and any number of modules Publish it via createFunction or updateFunctionCode call in Node. I have already concluded that the problem is the "aws-sdk/client-ses" package itself, evident by: The error message shows it cannot find layers module. Oct 3, 2024 · Millions of customers — including the fastest-growing startups, largest enterprises, and leading government agencies — are using AWS to lower costs, become more agile, and innovate faster. ImportModuleError: Unable to import module 'users_crud': No module named 'pydantic_core. Attach the Layer to your Lambda function: In your Lambda function configuration, add the Layer you just created. json │ └─── Inside of my Lambda's package. js (wrong). 2. js, but I get a "Cannot find module" error during invocation. Sep 11, 2021 · Good day! I am testing an AWS Lambda Function that uses an AWS Lambda Layer with the following directory: LambdaLayer. This application includes a layer that contains the lodash library. Initialized a new project using npm: npm init -y npm install sharp then import sharp lib as normal and Jun 30, 2024 · When executing the lambda, import package from 'somePackage' throws a Runtime. Deploy the layer -> On your lambda function, select the layer. Jun 6, 2015 · The way I was able to get this to work was: Name the file exports. - serverless/serverless I am testing out using the new ES Module system, along with a Lambda Layer. : import Aug 15, 2016 · This is an entirely different issue; the question you linked is unable to find the handler file (PublishElasticsearch. Is this normal? Jun 13, 2021 · Lambda container's /var/task folder is empty - Cannot find module 'main' #2955 Closed I upgraded my Lambda function from node12. ImportModuleError with message Cannot find module 'somePackage' Reproduction Steps Sep 28, 2021 · AWS Lambda function error: Cannot find module 'lambda' Asked 3 years, 10 months ago Modified 3 years, 8 months ago Viewed 14k times Feb 27, 2025 · Introduction AWS Lambda is a powerful serverless computing service, but deploying Python applications with external dependencies can sometimes lead to frustrating errors. For example, the following code adds an SQS queue as an event source for a function: ⚡ Serverless Framework – Effortlessly build apps that auto-scale, incur zero costs when idle, and require minimal maintenance using AWS Lambda and other managed cloud services. Code Snippets: Nov 22, 2016 · If you're working with Python on AWS Lambda, and need to use requests, you better use urllib3, it is currently supported on AWS Lambda and you can import it directly, check the example on urllib3 site. js on AWS, they name the index file index. js runtimes 16 and earlier, Lambda doesn't support layered JavaScript ES module dependencies. Layers usually contain library dependencies, a custom runtime, or configuration files. json and change import request from request to request=require(request). Here's the correct structure: python/ lib/ python3. I figured I'd be able to just follow it step by step and have a simple Hello Wor Mar 28, 2025 · Have you deployed a Lambda and got a confusing 'Cannot find module index' error? Followed that with a fruitless google search for cryptic error messages? An easy Mar 10, 2020 · I am receiving this Error when trying to use UUID Module in AWS Lambda JavaScript code. In your code, there is const {accounts} = require("layers"); It means it is importing from node_modules, but in Apr 7, 2019 · Describe the issue I am working on a AWS Lambda using NodeJs. Tags: amazon-web-services aws-lambda aws-lambda-layers I try to use layers of AWS Lambda, watched a tutorial about it, but I get an error "cannot find module " Feb 26, 2023 · However, if I take the code in the layer and define it in the lambda and use the same "aws-sdk/client-ses" package, all works just fine with no problems. I zipped a Jun 5, 2023 · this is how i got it working: my cdk config for my nodejs function as follow: bundling: { nodeModules: ["sharp"], forceDockerBundling: true, // force docker bundling for sharp }, memorySize: 2048, timeout: Duration. json package-lock. Node. Caveat: nodejs16. js, in this case), while this question is about finding a dependency. Apr 15, 2019 · I wanted to import jsonschema library in my AWS Lambda in order to perform request validation. (That may sound like a nitpick, but it boils down to "the solutions to the linked question are entirely irrelevant to this situation. I am using aws cdk with typescript to develop, and I want to use axios in my lambda function I encoutered error ** { "errorType": "Runtime. com To resolve these errors, create a deployment package or Lambda layer that includes the libraries that you want to use in your Node. If this is the case, you have a couple of options: downgrade to nodejs16. Because I need Jul 12, 2023 · I have a problem where my Lambda function wont find module rpds. But what is a NodeJs method without some npm/yarn dependencies? Kidding, but I was disappointed to find out that there wasn't an easy way to run npm install and keep editing my handler function in the AWS Lambda code Dec 26, 2021 · If that URL doesn't work, navigate to functions on the console -> Create Function -> Browse Serveless App Repo -> Search for "Sharp", select "nodejs-sharp-lambda-layer". Jan 15, 2022 · If Lambda cannot work with ES modules, you may try to remove "type": "module" from package. See full list on bobbyhadz. The funny part is I actually noticed the difference, but unwittingly was packaging an index file with extension . minutes(2) then i went into my src folder , where the lambda code is stored. js Alexa Task Issue I'm currently coding a Node. Jan 31, 2021 · Do "Cannot find module Runtime. With the `chrome-aws-lambda` module or the `puppeteer` module, I'm trying to run (`sam local invoke`) a function that calls `puppeteer. 11/ site-packages/ pyodbc/ pyodbc-5. js file: Nov 11, 2020 · General Issue I have a problem when setting up a layer, the lambda function is assigned the layer correctly, but it's unable to import its modules. Jul 10, 2023 · I have pydantic 2. js で AWS Lambda コードを実行する際、「Cannot find module」または「Cannot find Package」というエラーが発生します。 Introduction I am using layers to avoid duplicate code. Lambda was created successfully and also layer was attached to lambda. I currently have two layers, one for all my other node_modules (axios, etc. Create two Lambda layers: googleapis-layer: Contains the googleapis npm package. After much pain, trial and error, I found the culprit. ses-layer: Contains the @aws-sdk/client-ses npm package. yml was locating the handler function with a backslash in the path name. I want to use `puppeteer` on Lambda to convert HTML to PDF. x) from a lambda layer. Feb 6, 2025 · cannot find module '/opt/business-logic' The tutorial proposed the solution to map the /opt path that is used in the deployment of lambda as storage of layer packages, into the src path by means of the tsconfig. After creating the layers, you can deploy and invoke the corresponding functions to confirm that the layers work as expected. zip file archive that contains supplementary code or data. Currently, I have one lambda function and one layer. When I am trying to deploy my NodeJS (Runtime: 18. zip nodejs/ package. To include libraries in a layer, place them in one of the folders supported by your runtime. mjs (correct) and not simply . listObjects({ Bucket: process. 7 runtime that stores python dependencies, but I cannot seem to get it to recognize the modules. js 22. It will work there. Jan 20, 2018 · Do I have to install the axios module locally and then deploy it to lambda or is there a way to do it through the inline code editor as well in the browser? This zips everything properly so that the lambda finds your files at the root of the lambda like in the default configuration for creating a lambda through the aws UI. js │ package. myFunction. js 中运行 AWS Lambda 代码时，我收到“Cannot find module”（找不到模块）或“Cannot find Package”（找不到程序包）错误。 Is it possible to define an ES module as a handler located in an AWS Lambda layer? We are currently transitioning from shipping the handler as a CommonJS module using dynamic imports to using a pure ES module (ESM). ImportModuleError","errorMessage":"Error: Cannot find module 'hellolambdafnfirst'\\nRequire stack:\\n- /var/runtime Sep 24, 2021 · Running into the "cannot find module" with AWS lambda sometimes Asked 3 years, 8 months ago Modified 3 years, 8 months ago Viewed 1k times Jul 2, 2025 · Solve ModuleNotFoundError in AWS Lambda by properly packaging Python dependencies, using layers, and matching runtimes to avoid failed deployments. _pydantic_core' If you are using Pydantic for data validation and encounter this Sep 9, 2021 · My goal is to upload a small layer for an aws lambda function using the python 3. It's called "AWS SDK for pandas" (aka awswrangler, formerly "AWS data wrangler"). js? Amazon Web Services 821K subscribers Subscribe When I deploy my serverless api using: serverless deploy The lambda layer gets created but when I go to run the function is gives me this error: "Cannot find module 'request'" But if I upload the We're trying to deploy a Lambda function with AWS SDK v3 modules. env. mjs. handler Set the handler in the lambda config to exports. import S3 from 'aws-sdk/clients/s3'; const s3 = new S3(); const { Contents: results } = await s3. 10 which is now supported by AWS. , Python 3. It took me 3 Mar 18, 2021 · I am getting Error: Cannot find module (shared the full stack trace at the end) error when trying to test my lambda with sam local invoke command. I have a simple Lambda function with the following code. You can add it to your AWS Lambda function by going Lambda > Layers > Add layer > AWS layers, then selecting AWSSDKPandas-Python311 (or similar) from the drop-down list. after research i found out that i need to download node-oracledb package and create a layer for node module and Aug 13, 2019 · After successfully deploying my stack using serverless deploy, my lambda functions fail, citing a module import error Runtime. x, I can no longer include the AWS sdk: I used to include it by simply typing: Jul 18, 2019 · I was running into this where the lambda would invoke locally (on Windows) but report a failure to find the handler module once deployed. It is occurring with layers and the SDK. aws-sdk module not available in lambda environment on eu-west-2 I migrated from us-east-1 to eu-west-2 and one thing I noticed is that in all the lambda functions where I was importing the aws-sdk, I now get : Runtime. I want to resolve the "Unable to import module" error when I run Python code in an AWS Lambda function. ImportModuleError", "err A Lambda layer is a . For AWS Lambda to recognize your module, the site-packages folder needs to be under the python/ directory in the root of your ZIP file. When I deploy my function in AWS Lambda and I use require in my lambda function works but with import Jan 20, 2017 · Node. I am successfully creating a layer but when i try to require a module from my code, the console is telling me th Nov 23, 2022 · I am trying to access S3 via aws-sdk in my lambda function. But at build or at runtime the function does not find the layer :( template. x. ImportModuleError: Unable to import module 'app': No module named 'pydantic_core. js file: json { "compilerOp Sep 28, 2023 · Getting Error: Cannot find module 'aws-sdk' in Lambda since switching to node18 #13278 New issue Closed as not planned PeteDuncanson Dec 12, 2023 · But, when I invoke my lambda function, it's complaining that, it cannot import the module (lambda layer). g. js Functions | APM Node. I’ve added sharp as a Lambda Layer and referenced it in my AWS SAM template Jan 30, 2024 · I've figured out that "aws-jwt-verify" must be added to the nodejs runtime because it does not already exist there (like other @aws-sdk packages). Tags: amazon-web-services aws-lambda aws-lambda-layers I try to use layers of AWS Lambda, watched a tutorial about it, but I get an error "cannot find module " Jul 23, 2025 · { "errorMessage": "Unable to import module 'lambda_function': No module named 'psycopg2'" } 3. Nov 6, 2023 · If you are specifying the elastic-apm-node/start module via the NODE_OPTIONS environment variable, as described at Monitoring AWS Lambda Node. Hello everyone, I am desperately trying to call my layer's functions inside a lambda function. The module @aws-cdk/aws-lambda-event-sources includes classes for the various event sources supported by AWS Lambda. I want to build a deployment package for an AWS Lambda function in Node. One way to prove this is to manually copy and paste code in aws console UI. 0. js Alexa Task via AWS Lambda, and I have been trying to code a function that receives information from the OpenWeather API and parses it into a Lambda Layer issue: Python module not found 0 Overall Usecase: I have a lambda function and I am adding custom Python package layers to the lambda using Terraform. ImportModuleError. json node_modules/ Jul 28, 2015 · I have tried both solutions provided in creating-a-lambda-function-in-aws-from-zip-file and simple-node-js-example-in-aws-lambda My config currently looks like: For more examples of how to use Lambda layers, see the layer-nodejs sample application in the AWS Lambda Developer Guide GitHub repository. dist-info/ Make sure you're matching the Python runtime version of your Lambda function (e. I appreciate any guidance on how to resolve this issue and successfully deploy my Python script on AWS Lambda. json file: Apr 5, 2019 · I am trying to use AWS Lambda Layers to make the node_modules folder a common layer as I have multiple functions that rely on it. I found someone having the same issue here: htt Sep 24, 2019 · I created two lambda layers and when I tested the lambda's on which they depend I got the following error: Runtime. But the function has problems using the… Dec 14, 2022 · I'm trying to get a start with AWS by starting at the beginning, running the Build a Basic Web Application tutorial. One common issue developers face is: [ERROR] Runtime. Important point to make, my layer deployed to SAR is a separate template/repo than the consuming Apr 28, 2022 · This appears to be a bug. x The code worked perfectly fine on 12. functions\myHandler. This is the proposed solution, if you don't have a lot of legacy Oct 3, 2024 · How do I fix "Cannot find module" or "Cannot find Package" errors when I run Lambda code in Node. If you find an issue that is not listed here, you can use the Feedback button on this page to report it. node binding dependency not being installed when the function was deployed on aws. _pydantic_core' Traceback (most recent call last): I already Jun 28, 2019 · I want to connect to oracle database hosted in RDS inside aws lambda nodejs runtime . Lambda runtimes include paths in the /opt directory to ensure that your function code has access to libraries that are included in layers. May 8, 2025 · I'm trying to use the sharp library in my AWS Lambda function (Node. x to node18. You must include the dependencies in the deployment. There are multiple reasons why you might consider using layers: May 2, 2022 · I added the knex module (for example) to my function lambda (Node. The imports are standard ES syntax and work fine in a local setup, and work if we package the entire module into the function: `im Dec 31, 2023 · Note: The Lambda function runs successfully on my local environment, but not on AWS Lambda. o43is lb eikanp 9zm9wf zpf xzkr dzfonsj pzpxwxly 8clc qwnorq