I am trying to set a CloudWatch schedule event rule that will run on every quarter of year. But I am getting this error
"Parameter ScheduleExpression is not valid".
I tried following Cron expressions
cron(0 0 1 */3 * ?)
cron(0 0 1 */3 ? *)
But not working. Can anyone help in this?
You cannot use * in both the Day-of-month and Day-of-week fields. If you use it in one, you must use ? in the other.
Also the year field does not support the ? wildcard, so your first expression is invalid.
The second one works:
aws events put-rule --schedule-expression "cron(0 0 1 */3 ? *)" --name so-test1
{
"RuleArn": "arn:aws:events:eu-west-1:3333:rule/so-test1"
}
Do you have a space after the closing bracket? That one marked as invalid for me
aws events put-rule --schedule-expression "cron(0 0 1 */3 ? *) " --name so-test1
An error occurred (ValidationException) when calling the PutRule operation: Parameter ScheduleExpression is not valid.