phet commented on code in PR #4012:
URL: https://github.com/apache/gobblin/pull/4012#discussion_r1701598075


##########
gobblin-service/src/main/java/org/apache/gobblin/service/modules/orchestration/DagProcessingEngine.java:
##########
@@ -140,6 +153,11 @@ public void run() {
           dagTask.conclude();
         } catch (Exception e) {
           log.error("DagProcEngineThread encountered exception while 
processing dag " + dagProc.getDagId(), e);
+          if (KafkaJobStatusMonitor.isThrowableInstanceOf(e, 
this.nonRetryableExceptions)) {
+            // conclude the lease so that it is not retried, if the dag proc 
fails with non-transient exception
+            dagTask.conclude();
+            
dagManagementStateStore.getDagManagerMetrics().dagProcessingNonRetryableExceptionMeter.mark();

Review Comment:
   couldn't this live entirely encapsulated within `DagProc::process`?  let it 
make a normal return, so the DPE would continue on to `DagTask::conclude`
   
   (for that approach, initialize the `DagProcFactory` w/ the exception 
predicate discussed above)



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