Scheduler Exception being raised on Module Start

[varun....@gmail.com]

Hello,

I intend to write an OpenMrs module that build on top of the Event Module. I've started by generating an empty module using the module maven archetype. When I try to upload this basic skeleton module an exception is raised and swallowed in the saveToMemento method call. 

StackTrace - 

INFO - LoggingAdvice.invoke(117) |2013-02-22 15:06:18,127| In method SchedulerService.saveToMemento. Arguments:

ERROR - LoggingAdvice.invoke(126) |2013-02-22 15:06:18,128| An error occurred while executing this method. Error message: id to load is required for loading

java.lang.IllegalArgumentException: id to load is required for loading

at org.hibernate.event.LoadEvent.<init>(LoadEvent.java:89)

at org.hibernate.event.LoadEvent.<init>(LoadEvent.java:61)

at org.hibernate.impl.SessionImpl.get(SessionImpl.java:1002)

at org.hibernate.impl.SessionImpl.get(SessionImpl.java:998)

at org.openmrs.scheduler.db.hibernate.HibernateSchedulerDAO.getTask(HibernateSchedulerDAO.java:77)

at org.openmrs.scheduler.timer.TimerSchedulerServiceImpl.getTask(TimerSchedulerServiceImpl.java:356)

at org.openmrs.scheduler.timer.TimerSchedulerServiceImpl.getScheduledTasks(TimerSchedulerServiceImpl.java:331)

at org.openmrs.scheduler.timer.TimerSchedulerServiceImpl.saveToMemento(TimerSchedulerServiceImpl.java:437)

......

Code (TimerSchedulerServiceImpl.java in openmrs-core) -

    catch (SchedulerException e) {

// just swallow exceptions -  Why are exceptions swallowed?

log.debug("Failed to stop task while saving memento " + task.getName(), e);

}

 

Why is the Id not present? What does it mean (and it's implications) when this occurs when a module is started?

Thanks,

Varun

[Darius Jazayeri]

Hi Varun,

I would suggest putting a breakpoint at HibernateSchedulerDAO.java:77 and running OpenMRS under the debugger, then checking what the specific details of this error are, i.e. which task is being fetched?

-Darius

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