32,038 questions
1
vote
1
answer
74
views
Filter aws lambda event source on metadata
I'm trying to filter based on metadata values of incoming SQS events, not what is in their body.
From the documentation, it is mentioned that there is a messageAttributes attribute. I want to filter ...
- 1,013
0
votes
1
answer
84
views
Not all AWS resources (Lambdas) detected by Grafana
I am creating widgets in Grafana for monitoring AWS resources, including Lambda functions. For this purpose, I am creating variables that filter to just my team's Lambda functions using regex. Some ...
- 2,531
Best practices
0
votes
1
replies
119
views
How do I determine the correct order of Lambda layers in AWS?
I’m working with AWS Lambda and need to attach multiple Lambda layers to a function. I know that AWS allows you to specify the order of layers, but I’m unclear on how the ordering actually affects ...
- 29
Best practices
0
votes
0
replies
69
views
Do I need to redeploy an API Gateway stage after switching the Lambda integration?
I’m working with AWS API Gateway (REST API) and testing routes using the “Test” feature in the API Gateway console.
I changed the backend Lambda function that an API route is integrated with (for ...
- 29
Best practices
0
votes
1
replies
33
views
Is routing a production API Gateway to QA Lambda functions bad practice? What are the security and reliability risks?
I’m working on an AWS setup with multiple environments: master (production) and qa.
Recently, our Flutter app was getting 500 errors when calling the master API Gateway endpoints that are integrated ...
- 29
-1
votes
0
answers
50
views
Can't access Alexa-hosted skill function or logs [closed]
I've created an Alexa-hosted skill in the Alexa Developer Console. I need to debug the Lambda operation. However, the log button redirects to a CloudWatch log-group that I don't seem to be ...
- 10.3k
0
votes
0
answers
54
views
React to specific IAM Events in AWS
What I am trying to achieve is to trigger specific actions within my AWS Account when specific IAM actions are performed. This appeared to be much more complicated than I expected, so I wanted to ...
- 1,552
0
votes
0
answers
72
views
Parsed CSV rows are coming through as Buffers instead of arrays when loading files from S3
I'm pulling multiple CSV files from S3. Each CSV contains several rows in this format:
45,ABC,800046,HJN,9000
The first column is the employee ID.
I want to loop through all the files, parse each CSV, ...
- 11
1
vote
1
answer
89
views
Why my Alexa did not send ReportState directive after Discovery directive?
I want to enable alexa voice control for my smart home device. I was able to discover device. Now all devices are showing in alexa app. But all are showing as device is unresponsive.
This is my ...
-1
votes
1
answer
114
views
Class not found in AWS Lambda handler
I want to deploy AWS lambda with Spring Boot. I created a basic project with handler:
import com.amazonaws.serverless.exceptions.ContainerInitializationException;
import com.amazonaws.serverless.proxy....
- 938
0
votes
0
answers
140
views
Unable to use the Alexa REST API to update the "datastore" for an Alexa Widget
I have written a simple Alexa skill which works and I've now added a Widget, these both display as expected.
I am now trying to use the datastore but every time I try to update the store, I am getting ...
- 43
1
vote
1
answer
67
views
Issue consuming API that returns Base64 Excel file in Angular
I am facing difficulties consuming an API in Angular that returns an Excel file encoded in Base64. The API is configured in AWS API Gateway and uses a Lambda function to generate the file. Although ...
- 67
0
votes
0
answers
38
views
AWS Error in Cloudfront + Appsync with 2 Authorizers OICD and new additional API_KEY, Cloudfront forcing x-api-key
I have an application that is in production working with Cloudfront + Appsync with OICD Authorizer. In the Cloudfront configuration for some reason it is adding in the custom headers if API_KEY exists ...
Advice
0
votes
6
replies
54
views
Display line of code in AWS CloudWatch for Amplify NodeJS written in typescript
I have the following resource in Amplify v2:
export const myFunction = defineFunction({
name: 'my-function',
layers: {
sharp: "sharp_arm64:1",
},
environment: {
BUCKET_NAME: ...
- 7,906
0
votes
1
answer
68
views
I have a working AWS Appsync application that uses OPENID_CONNECT as authorization, when I added API_KEY as additional broke the old routes
I have a working AWS Appsync application that uses OPENID_CONNECT as authorization, when I added API_KEY as additional broke the old routes. For some reason in the appsync schema it had in all routes ...
-1
votes
1
answer
96
views
Intermittent 500 Internal Server Error in AWS Lambda API (Different endpoints fail randomly)
I’m facing an issue with my React frontend and AWS Lambda backend setup.
When my app makes multiple API calls at the same time, some of them randomly return a 500 Internal Server Error, while others ...
- 142
-4
votes
1
answer
73
views
AWS Lambda Python script calling SageMaker: AlgorithmError: Framework Error
I am using lambda and Python and S3.
# lambda_bootstrap_train.py
import boto3
import time
import json
import os
sm = boto3.client('sagemaker', region_name='us-east-2')
s3 = boto3.client('s3', ...
- 688
-1
votes
1
answer
49
views
Why are all versions of Lambda@Edge function being modified when I deploy the latest code?
I have a Lambda@Edge function which has 2 versions. Version 1 has non-functional code and version 2 has the latest operational code. What that function does is it fetches an object from an S3 bucket ...
- 459
0
votes
0
answers
32
views
Client of Amplify Gen 2 is not being properly generated for subscription
Logging const client = generateClient<Schema>(); results in the following, which shows that the client is improperly generated:
{
"models": {},
"enums": {},
"...
- 4,103
1
vote
1
answer
94
views
Awswrangler: Parquet read into multiple of expected space
In a Lambda, I'm using AWS Wrangler to read data out of a date partitioned set of parquets and concatenate them together. I am doing this by calling wr.s3.read_parquet in a loop, compiling the loaded ...
- 80
1
vote
0
answers
60
views
How to identify which IdP a user used to sign in during AWS Cognito PreAuthentication trigger?
How can I determine which Identity Provider (IdP) a user used to sign in during the AWS Cognito PreAuthentication trigger, when multiple federated IdPs (SAML/OIDC) are linked to the same user?
In the ...
- 11
0
votes
2
answers
81
views
AWS Lambda inside VPC cannot connect to RDS MySQL (timeout)
Background
I'm building a Lambda function (Node.js 20 runtime) that connects to an Amazon RDS MySQL database within the same VPC.
Both the Lambda and the RDS instance are deployed in private subnets.
...
1
vote
0
answers
74
views
Is there an API to check for currently supported runtimes by AWS Lambda?
I’m developing a tool to speed up the AWS Lambda creation process for my colleagues and I, as we use it extensively, and I need to periodically check for deprecated runtimes. The idea is to create a ...
- 674
1
vote
1
answer
86
views
Lock a DynamoDB table on reading/writing operations
I have a DynamoDB table with entries that can have a status (waiting, error, running...). Only up to 25 entries can have running status.
My objective is to have an AWS Lambda function that checks if ...
- 3,082
0
votes
2
answers
60
views
AWS CloudWatch -> Firehose/Lambda -> Splunk flow -- lambda response too large
Given a CloudWatch -> Firehose -> Splunk flow, where Firehose passes incoming log records to a lambda, often the return from the lambda is larger than the allowed 6MB.
I've captured the payload ...
- 28.1k
0
votes
1
answer
89
views
Spring Boot OAuth2 with Casdoor behind AWS Lambda + HTTP API v2: state parameter encoding issue
I’m developing a Spring Boot application deployed behind an AWS API Gateway (HTTP API v2) with Lambda (handler based on SpringBootLambdaContainerHandler and HttpApiV2ProxyRequest).
I’m using OAuth2 ...
- 3
0
votes
0
answers
54
views
AWS Lex + Lambda + API Gateway integration — request stuck on “Thinking…” and Lambda not triggered
I’ve built a simple web-based chatbot (called Engineer’s Toolkit) that uses Amazon Lex, AWS Lambda, and API Gateway, with a static frontend hosted on S3.
The flow is supposed to be:
Frontend (S3) → ...
0
votes
0
answers
53
views
Can't get AWS Lambda Powertools dynamic routes to work
from aws_lambda_powertools.utilities.typing import LambdaContext
from aws_lambda_powertools.event_handler import APIGatewayHttpResolver
from aws_lambda_powertools.logging import Logger
from validate ...
0
votes
1
answer
37
views
AWS Lambda not triggering on S3 ObjectCreated:Put after code edit. What am I missing?
I have an S3 bucket that should invoke a Lambda function on ObjectCreated:Put. This used to work. After editing the Lambda code in the console, new uploads stopped triggering the function. I do not ...
- 1
0
votes
1
answer
79
views
AWS Lambda: Runtime.ImportModuleError: /var/task/psycopg2/_psycopg.so: file too short after copying psycopg2 folder
I'm trying to use psycopg2 in an AWS Lambda function (Python 3.11 runtime).
I followed the jkehler/awslambda-psycopg2
repository and copied the psycopg2-3.11 folders directly into my Lambda deployment ...
- 75
0
votes
0
answers
37
views
In Remotion, Image Crop option is not working
I'm trying to generate a video using remotion library.
I have used the following two images
I have cropped the top option of image and places it on after another vertically. Please check the following ...
- 1,582
0
votes
1
answer
61
views
How to automatically extract AWS Lambda configurations to Terraform for GCP migration? [closed]
I'm migrating multiple AWS Lambda functions to GCP and need to generate Terraform configurations that match the existing AWS setup. Currently, I'm manually writing each Lambda configuration, which is ...
- 11
0
votes
0
answers
65
views
AWS Lambda + SSM RunCommand returns stale GetLastInputInfo() timestamp on Windows EC2
I’m working on an AWS setup where I need to detect last user activity (keyboard/mouse input) on a Windows EC2 instance.
Inside the instance, if I run this PowerShell snippet directly, it works ...
- 11
0
votes
1
answer
73
views
Terraform lambda runtime management config: Fetch ALL lambda's ARN's
Hi I am working on something very simple
I am creating a lambda runtime management config to manage all my lambda. I have around 9 existing ones.
resource "aws_lambda_runtime_management_config&...
- 161
2
votes
1
answer
127
views
Remotion Video has audio quality issue
I'm trying to generate a video using remotion library.
We can combine the video and text and generate an new video.
I used to place the text at the bottom of the video and generate an video.
Scenario ...
- 1,582
0
votes
0
answers
36
views
Bundling files with a lambda function in Amplify Gen2
I am trying to reference a directory of files in a lambda function using Amplify Gen2. I have created the folder in /functions/validateJsonAgainstSchema with the handler.ts file
import Ajv2020 from '...
- 3,208
1
vote
1
answer
56
views
What does "GB-seconds" describe in Cloud Computing (Function as a Service)?
AWS defines its prices for lambda in terms of GB-seconds, and so does Azure for its prices for functions.
What does that unit refer to? Are those Gigabytes of memory allocated for a number of seconds?
- 1,636
1
vote
1
answer
119
views
takeWhile equivalent for Kotlin maps
My Kotlin project needs to parse files and keep track of the outcome:
fun parseFiles(dp:MyDataProvider, files:List<String>)
{
//store the status of each processed file
val statusMap = ...
- 1,839
0
votes
1
answer
149
views
AWS Lambda container (aws-nuke) exits with Runtime.ExitError even though process returns exit code 0 [closed]
I have aws-nuke running on Lambda using a container. aws-nuke is returning exit code 0, but the Lambda returns Runtime.ExitError
Cloud watch logs:
...
Scan complete: 221 total, 0 nukeable, 221 ...
- 137
2
votes
1
answer
44
views
Duplicated execution in node lambda function coldstar
Let the following lambda handler:
export const handler = async (event:any) => {
console.log("[PROCESS] Starting process");
return {status: "OK"};
}
And when executed ...
- 151
1
vote
2
answers
150
views
AWS RDS record insert to trigger a REST API call?
I need to implement a MS SQL Server functionality in RDS where on a row insert for a "Foo" table I need to trigger a REST API call for a "Bar" endpoint.
One of the solutions that I ...
- 198
0
votes
2
answers
114
views
Redshift cannot parse response from python lambda
I am trying to create and run a lambda function from within Redshift.
I have scaled the lambda_handler back to something very simple
def lambda_handler(event, context):
print("Received event:&...
0
votes
0
answers
58
views
Handling CORs with AWS CloudFront with a Lambda Function Url Origin
I'm having an issue creating an AWS CloudFront Distribution that returns CORs headers from a Lambda Function URL Origin.
I can send test requests via cURL to the Lambda Function URL directly and see ...
- 618
0
votes
0
answers
60
views
AWS X-Ray trace ID appears inconsistently for Spring Boot 3.4.3 Lambda (Java 17, X-Ray SDK 2.19.0)
I have a Spring Boot 3 Lambda behind API Gateway. Sometimes the Lambda REPORT line shows an X-Ray trace:
enter image description here
…but on later calls to the same endpoint, the X-Ray line is ...
0
votes
0
answers
102
views
Reading return values from AWS Bedrock action groups
I am building a service based on AWS Bedrock and I have run into an issue which I have been unable to solve. In short, I want to return the return value of an action in addition to the default text ...
- 23
3
votes
2
answers
258
views
Value for argument "limit" is not a valid integer, but only when deployed on AWS Lambda, and only in one specific route
In this NestJS project we have a few routes. The main ones in this case are:
GET /polls?page=1&limit=10
// page and limit are optional
And:
GET /pages?page=1&limit=10
// page and limit are ...
- 527
0
votes
1
answer
121
views
How to develop and test AWS Lambda written in Go locally without SAM?
I tried to run an AWS Lambda written in Go locally. I used function handlers in Go and did this:
Initialized a project with go mod init aws-example-go
Created the file main.go and copy pasted the ...
- 6,046
3
votes
1
answer
229
views
Lambda container - Pyarrow and numpy
I have difficulties from this: (aws-lambda-python-alpha): Failed to install numpy 2.3.0 with Python 3.11 or lower
My Dockerfile:
FROM public.ecr.aws/lambda/python:3.11
# Install
RUN pip install '...
- 485
0
votes
3
answers
140
views
pg8000 conn.run argument error/ SQL syntax issues inserting data with AWS Lambda
I am using AWS Lambda with Python and pg8000 to insert records into a PostgreSQL RDS database.
When conn.run() is called, I get argument errors or syntax errors.
INSERT_SQL:
INSERT INTO crypto_prices (...
- 19
1
vote
0
answers
44
views
SAM CLI Lambda container cannot connect to LocalStack Secrets Manager on macOS:
"Could not connect to the endpoint URL: http://localhost:4566/
I'm developing a FastAPI-based Lambda function using AWS SAM CLI for local testing on macOS, with LocalStack emulating Secrets ...
- 11