2021-07-15Caused by: org. quartz. ObjectAlreadyExistsException: Unable to store Job : ‘DEFAULT. TASK_ 1‘

Basic validation is not a code problem , No code changes

Guess is when updating the code , There is no normal shutdown , This results in dirty data in the table

Solution
Delete data qrtz_job_details Data in
In terms of normal ,qrtz_triggers The table is right qrtz_job_details There are foreign key references , So it cannot be deleted directly , and qrtz_cron_triggers There is another pair in the table qrtz_triggers Foreign key references to . therefore , According to ： Delete the data in the following order
qrtz_cron_triggers> qrtz_triggers> qrtz_job_details