in src/main/groovy/grails/plugins/quartz/GrailsJobFactory.java [132:142]
public void interrupt() throws UnableToInterruptJobException {
if (interruptMethod != null) {
try {
interruptMethod.invoke(job);
} catch (Throwable e) {
throw new UnableToInterruptJobException(e);
}
} else {
throw new UnableToInterruptJobException(job.getClass().getName() + " doesn't support interruption");
}
}