pratapaditya04 commented on code in PR #4078:
URL: https://github.com/apache/gobblin/pull/4078#discussion_r1870954475


##########
gobblin-temporal/src/main/java/org/apache/gobblin/temporal/ddm/workflow/impl/ProcessWorkUnitsWorkflowImpl.java:
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@@ -72,10 +73,33 @@ private CommitStats performWork(WUProcessingSpec workSpec) {
     searchAttributes = 
TemporalWorkFlowUtils.generateGaasSearchAttributes(jobState.getProperties());
 
     NestingExecWorkflow<WorkUnitClaimCheck> processingWorkflow = 
createProcessingWorkflow(workSpec, searchAttributes);
-    int workunitsProcessed =
-        processingWorkflow.performWorkload(WorkflowAddr.ROOT, workload, 0, 
workSpec.getTuning().getMaxBranchesPerTree(),
-            workSpec.getTuning().getMaxSubTreesPerTree(), Optional.empty());
-    if (workunitsProcessed > 0) {
+
+    Optional<Integer> workunitsProcessed = Optional.empty();
+    try {
+     workunitsProcessed = 
Optional.of(processingWorkflow.performWorkload(WorkflowAddr.ROOT, workload, 0,
+          workSpec.getTuning().getMaxBranchesPerTree(), 
workSpec.getTuning().getMaxSubTreesPerTree(), Optional.empty()));
+    } catch (Exception e) {
+      log.error("Exception occurred in performing workload,proceeding with 
commit step", e);
+      // We want to mark the GaaS flow as failure, in case performWorkFlow 
fails, but we still want to go ahead with commiting the workunits which were 
processed before failure
+      sendFailureEventToGaaS(workSpec);
+      return proceedWithCommitStepAndReturnCommitStats(workSpec, 
searchAttributes, workunitsProcessed);
+    }
+    return proceedWithCommitStepAndReturnCommitStats(workSpec, 
searchAttributes, workunitsProcessed);
+  }
+
+  private void sendFailureEventToGaaS(WUProcessingSpec workSpec) {

Review Comment:
   addressed



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