litiliu commented on code in PR #7671:
URL: https://github.com/apache/seatunnel/pull/7671#discussion_r1764615000


##########
seatunnel-translation/seatunnel-translation-flink/seatunnel-translation-flink-common/src/main/java/org/apache/seatunnel/translation/flink/sink/FlinkSink.java:
##########
@@ -91,17 +89,30 @@ public Optional<GlobalCommitter<CommitWrapper<CommT>, 
GlobalCommT>> createGlobal
 
     @Override
     public Optional<SimpleVersionedSerializer<CommitWrapper<CommT>>> 
getCommittableSerializer() {
-        return 
sink.getCommitInfoSerializer().map(CommitWrapperSerializer::new);
+        if (checkForCommitter())
+            return 
sink.getCommitInfoSerializer().map(CommitWrapperSerializer::new);
+        else return Optional.empty();
     }
 
     @Override
     public Optional<SimpleVersionedSerializer<GlobalCommT>> 
getGlobalCommittableSerializer() {
-        return 
sink.getAggregatedCommitInfoSerializer().map(FlinkSimpleVersionedSerializer::new);
+        if (checkForCommitter())

Review Comment:
   there should be a `{` behind the if clause, it makes reading easier.



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