Description of problem:

After upgrade from RHQ 4.9 to 4.12 I see this:

00:13:49,192 ERROR [org.quartz.impl.jdbcjobstore.JobStoreCMT] (QuartzScheduler_RHQScheduler-vp25q03ad-hadoop098.iad.apple.com1405548327875_MisfireHandler) MisfireHandler: Error handling misfires: Couldn't store trigger 'AVAIL_DURATION_DOWN-37925015639' for 'org.rhq.enterprise.server.scheduler.jobs.AlertAvailabilityDurationJob' job:Job class must implement the Job interface.: org.quartz.JobPersistenceException: Couldn't store trigger 'AVAIL_DURATION_DOWN-37925015639' for 'org.rhq.enterprise.server.scheduler.jobs.AlertAvailabilityDurationJob' job:Job class must implement the Job interface. [See nested exception: java.lang.IllegalArgumentException: Job class must implement the Job interface.]
        at org.quartz.impl.jdbcjobstore.JobStoreSupport.storeTrigger(JobStoreSupport.java:1246) [quartz-1.6.5.jar:1.6.5]
        at org.quartz.impl.jdbcjobstore.JobStoreSupport.doUpdateOfMisfiredTrigger(JobStoreSupport.java:1014) [quartz-1.6.5.jar:1.6.5]
        at org.quartz.impl.jdbcjobstore.JobStoreSupport.recoverMisfiredJobs(JobStoreSupport.java:956) [quartz-1.6.5.jar:1.6.5]
        at org.quartz.impl.jdbcjobstore.JobStoreSupport.doRecoverMisfires(JobStoreSupport.java:3126) [quartz-1.6.5.jar:1.6.5]
        at org.quartz.impl.jdbcjobstore.JobStoreSupport$MisfireHandler.manage(JobStoreSupport.java:3887) [quartz-1.6.5.jar:1.6.5]
        at org.quartz.impl.jdbcjobstore.JobStoreSupport$MisfireHandler.run(JobStoreSupport.java:3907) [quartz-1.6.5.jar:1.6.5]
Caused by: java.lang.IllegalArgumentException: Job class must implement the Job interface.
        at org.quartz.JobDetail.setJobClass(JobDetail.java:280) [quartz-1.6.5.jar:1.6.5]
        at org.quartz.impl.jdbcjobstore.StdJDBCDelegate.selectJobDetail(StdJDBCDelegate.java:897) [quartz-1.6.5.jar:1.6.5]
        at org.quartz.impl.jdbcjobstore.JobStoreSupport.storeTrigger(JobStoreSupport.java:1202) [quartz-1.6.5.jar:1.6.5]
        ... 5 more


I'm guessing this is because the old job was still in the database. Unclear if and when this may disappear, it has been several hours.

It may make sense to simply implement the Quartz interface and simply do nothing.


Version-Release number of selected component (if applicable): 4.12


How reproducible: After upgrade.


Steps to Reproduce:
1. Update from RHQ 4.9 to 4.12 with these jobs
2. ???