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I've been stuck with this from yesterday, I run the below command:
aws cloudformation validate-template --template-body test.json
(test.json is my template) and it keeps on giving me the bellow error:
A client error (ValidationError) occurred when calling the ValidateTemplate operation: Template format error: JSON not well-formed. (line 1, column 5).
I even tried to test with the different aws template samples, and it still gives me the same error(with diff clolumn number). Any solution?
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To check your template file for syntax errors, you can use the aws cloudformation validate-template command. The aws cloudformation validate-template command is designed to check only the syntax of your template.
You can author AWS CloudFormation templates in JSON or YAML formats. We support all AWS CloudFormation features and functions for both formats, including in AWS CloudFormation Designer.
Validates a specified template. CloudFormation first checks if the template is valid JSON. If it isn't, CloudFormation checks if the template is valid YAML. If both these checks fail, CloudFormation returns a template validation error.
log or /var/log/cfn-init. log , to help you debug the instance launch. You can retrieve the logs by logging in to your instance, but you must disable rollback on failure or else AWS CloudFormation deletes the instance after your stack fails to create. You can also publish the logs to Amazon CloudWatch.
The template you posted is valid but there's a syntax error in the command and it's not communicating what the problem is. Try this:
aws cloudformation validate-template --template-body file://template.json
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