org.quartz.ObjectAlreadyExistsException: Unable to store Job with name: 'JDBC Connection' and group: 'mysql', because one already exists with this identification.
at org.quartz.simpl.RAMJobStore.storeJob(RAMJobStore.java:221)
at org.quartz.simpl.RAMJobStore.storeJobAndTrigger(RAMJobStore.java:193)
at org.quartz.core.QuartzScheduler.scheduleJob(QuartzScheduler.java:801)
at org.quartz.impl.StdScheduler.scheduleJob(StdScheduler.java:243)
at br.com.promogrape.java.scheduler.ConnectionScheduler.<init>(ConnectionScheduler.java:22)
at br.com.promogrape.java.scheduler.ConnectionScheduler.contextInitialized(ConnectionScheduler.java:33)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4135)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4630)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)