Quartz 2.2 multi scheduler and @DisallowConcurrentExecution
问题 Please consider this example. A sample web application calls scheduler.start() on its start up. The scheduler configured to store its jobs in DB. The application is copied on six web-servers. So if we start six web-servers we will have six scheduler with same name on a single DB. As mentioned in https://quartz-scheduler.org/documentation/quartz-2.1.x/cookbook/MultipleSchedulers: Never start (scheduler.start()) a non-clustered instance against the same set of database tables that any other