GetAtt references undefined resource AWSEBLoadBalancerSecurityGroup

Question

Hello,
I create a Beanstalk environment for a Java application following the wizard leaving the default options and trying to keep it as simple as possible. The creation of the environment has been completed successfully.
But when I try to update the environment with a new deployment I get the error:
`Service:AmazonCloudFormation, Message:Template error: instance of Fn::GetAtt references undefined resource AWSEBLoadBalancerSecurityGroup`
I would like to point out that the environment hasn't configured any load balancer.

The pipeline:

```
    - aws configure set region us-east-1
    - aws s3 cp ./target/$ARTIFACT s3://$S3_BUCKET/$ARTIFACT
    - aws elasticbeanstalk create-application-version --application-name $AWS_APPLICATION_NAME --version-label $CI_PIPELINE_IID --source-bundle S3Bucket=$S3_BUCKET,S3Key=$ARTIFACT
    - aws elasticbeanstalk update-environment --application-name $AWS_APPLICATION_NAME --environment-name $AWS_PRODUCTION_ENVIRONMENT_NAME --version-label $CI_PIPELINE_IID
```

Thanks in advance.

Sivaraman Selvam · Answer

Hello,

The error Fn::GetAtt references undefined resource AWSEBLoadBalancerSecurityGroup means that your CloudFormation template is trying to reference a property of a resource named AWSEBLoadBalancerSecurityGroup that does not exist in the stack. Check the Cloudformation template created by the service to check if  there is a logical resource called AWSEBLoadBalancerSecurityGroup defined.

GetAtt references undefined resource AWSEBLoadBalancerSecurityGroup

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