if (log.isDebugEnabled()) {
log.debug("Executing job {}", job.getId());
}
JobExecutorContext jobExecutorContext = Context.getJobExecutorContext();
if (jobExecutorContext != null) { // if null, then we are not called by the job executor
jobExecutorContext.setCurrentJob(job);
}
try {
job.execute(commandContext);
if (commandContext.getEventDispatcher().isEnabled()) {
commandContext.getEventDispatcher().dispatchEvent(ActivitiEventBuilder.createEntityEvent(
ActivitiEventType.JOB_EXECUTION_SUCCESS, job));
}
} catch (Throwable exception) {
// When transaction is rolled back, decrement retries
CommandExecutor commandExecutor = Context
.getProcessEngineConfiguration()
.getCommandExecutor();
commandContext.getTransactionContext().addTransactionListener(
TransactionState.ROLLED_BACK,
new FailedJobListener(commandExecutor, jobId, exception));
// Dispatch an event, indicating job execution failed in a try-catch block, to prevent the original
// exception to be swallowed
if (commandContext.getEventDispatcher().isEnabled()) {
try {
commandContext.getEventDispatcher().dispatchEvent(ActivitiEventBuilder.createEntityExceptionEvent(
ActivitiEventType.JOB_EXECUTION_FAILURE, job, exception));
} catch(Throwable ignore) {
log.warn("Exception occured while dispatching job failure event, ignoring.", ignore);
}
}
// Finally, Throw the exception to indicate the ExecuteJobCmd failed
throw new ActivitiException("Job " + jobId + " failed", exception);
} finally {
if (jobExecutorContext != null) {
jobExecutorContext.setCurrentJob(null);
}
}
return null;
}