spring boot - Run cron jobs dynamically in java

Question

I want to run cron jobs dynamically.

Instead of putting a direct @Scheduled annotation like @Scheduled(cron = "0 0/30 3 * * *") on the main function, I want to take cron expression in input and then schedule job according to the input given.

I have tried to use CronExpression, But it's not giving correct results. Even for cronExpression = "0 0/30 1 * * *", It's returning that cron expression is not valid.

Error that I am getting while using cronExpression is

Exception in thread "main" java.text.ParseException: Support for specifying both a day-of-week AND a day-of-month parameter is not implemented.

Is there any way to do this?

Answer 1

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