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https://issues.apache.org/jira/browse/GOBBLIN-1969?focusedWorklogId=893871&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-893871
 ]

ASF GitHub Bot logged work on GOBBLIN-1969:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 04/Dec/23 20:25
            Start Date: 04/Dec/23 20:25
    Worklog Time Spent: 10m 
      Work Description: phet commented on code in PR #3840:
URL: https://github.com/apache/gobblin/pull/3840#discussion_r1414446166


##########
gobblin-service/src/main/java/org/apache/gobblin/service/modules/utils/FlowCompilationValidationHelper.java:
##########
@@ -86,10 +86,16 @@ public Optional<Dag<JobExecutionPlan>> 
createExecutionPlanIfValid(FlowSpec flowS
     Map<String, String> flowMetadata = 
TimingEventUtils.getFlowMetadata(flowSpec);
 
     if (!jobExecutionPlanDagOptional.isPresent()) {
+      log.warn("No dag execution plan created for flowGroup: {} flowName: {}",
+          flowMetadata.get(TimingEvent.FlowEventConstants.FLOW_GROUP_FIELD),
+          flowMetadata.get(TimingEvent.FlowEventConstants.FLOW_NAME_FIELD));

Review Comment:
   if we do anything other than logging the value, I recommend a default (even 
when it *should* always be set).  for logging only, it's safe enough to print 
`null`, when that's what's actually returned.





Issue Time Tracking
-------------------

    Worklog Id:     (was: 893871)
    Time Spent: 1h 20m  (was: 1h 10m)

> Increase Visibility for Compilation Failures
> --------------------------------------------
>
>                 Key: GOBBLIN-1969
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-1969
>             Project: Apache Gobblin
>          Issue Type: Bug
>          Components: gobblin-service
>            Reporter: Urmi Mustafi
>            Assignee: Abhishek Tiwari
>            Priority: Major
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> Empty or null dag execution plans created after compiling do not provide 
> sufficient information as to when and why they occur. 



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