32,056 questions
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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 ...
- 70
1
vote
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39
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
-2
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24
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AWS EventBridge rule with multiple S3 prefixes triggering multiple times for a single upload [closed]
I'm setting up an AWS EventBridge rule that listens to S3 object creation events and triggers a Lambda function.
My goal is to use a single rule that handles multiple S3 key prefixes (for example, ...
- 1
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26
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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.
...
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0
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49
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 ...
- 664
1
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1
answer
57
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 ...
- 3,072
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votes
1
answer
39
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 ...
- 28k
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54
views
API Gateway not forwarding real path to Lambda
I have a Lambda (Go) behind an HTTP API Gateway.
Route /webhook is set correctly (payload format 2.0, not $default), but every request to /webhook still triggers my root / handler, im not getting the ...
0
votes
1
answer
67
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
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49
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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) → ...
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48
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 ...
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votes
1
answer
26
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
1
vote
0
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47
views
Failed to stabilize error for lambda deployment via CDK golang [closed]
While running cdk deploy...
Resource handler returned message: "Lambda function AB-CD-ApplyAllConfig-unique2 reached terminal FAILED state due to InternalError(An error occurred during the last ...
- 773
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1
answer
61
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
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0
answers
32
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