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Project Structure within src/lex-gen-ai-demo-cdk:

AWSLexKoiosBlogDemo/src/lex-gen-ai-demo-cdk
- app.py
- cdk.json
- endpoint_handler.py
- upload_file_to_s3.py
- shutdown_endpoint.py
- index-creation-docker-image/
   - index_creation_app.py
   - Dockerfile
   - index_creation_requirements.txt
- lex_gen_ai_demo_cdk_files/
   - __init__.py
   - lex_gen_ai_demo_file_stack.py
- lex-gen-ai-demo-docker-image/
   - runtime_lambda_app.py
   - Dockerfile
   - runtime_lambda_requirements.txt
- requirements.txt
- source.bat

Common Errors & Troubleshooting

"ValueError: Must setup local AWS configuration with a region supported by SageMaker."

Solution: You must set an aws region with export AWS_DEFAULT_REGION=<your-region>

Error creating role

botocore.exceptions.ClientError: An error occurred (AccessDenied) when calling the CreateRole operation: User: <user-arn> is not authorized to perform: iam:CreateRole on resource: <role-arn> because no identity-based policy allows the iam:CreateRole action

Solution: you must ensure the Iam role you are using has sufficient permissions to create Iam roles

Error LexGenAIDemoFilesStack: fail: docker push exited with error code 1: tag does not exist

Issue: Error while building the image. Here are some common ones

Error processing tar file(exit status 1): write /path/libcublas.so.11: no space left on device

Issue: Docker has run out of memory due to too many images Solution: Delete unused images in the Docker application and then prune docker in command line

ConnectionResetError: [Errno 104] Connection reset by peer

Issue: Pip issue Solution: Clear pip cache (python3 -m pip cache purge) and run again