You tried to send a custom metric using the AWS CLI but received an error: "InvalidParameterValue: The value for parameter MetricName is invalid." What is the most likely cause?

medium📝 Debug Q6 of 15

AWS - CloudWatch

ANamespace parameter is missing.

BMetricName contains invalid characters or is empty.

CValue parameter is not a number.

DAWS CLI is not installed.

Step-by-Step Solution

Solution:

Step 1: Analyze error message
The error indicates the MetricName parameter is invalid.
Step 2: Check MetricName requirements
MetricName must be non-empty and contain only allowed characters (letters, numbers, underscores, hyphens).
Final Answer:
MetricName contains invalid characters or is empty. -> Option B
Quick Check:
MetricName validity = B [OK]

Quick Trick: MetricName must be valid and non-empty [OK]

Common Mistakes:

Ignoring invalid characters in MetricName
Assuming missing Namespace causes this error
Thinking CLI installation causes parameter errors

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You tried to send a custom metric using the AWS CLI but received an error: "InvalidParameterValue: The value for parameter MetricName is invalid." What is the most likely cause?

Step 1: Analyze error message

Step 2: Check MetricName requirements

Final Answer:

Quick Check:

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