pvary commented on code in PR #23737:
URL: https://github.com/apache/flink/pull/23737#discussion_r1397044749


##########
flink-tests/src/test/java/org/apache/flink/test/streaming/runtime/SinkV2MetricsITCase.java:
##########
@@ -228,32 +228,54 @@ private void assertSinkCommitterMetrics(
         for (OperatorMetricGroup group : groups) {
             Map<String, Metric> metrics = reporter.getMetricsByGroup(group);
 
-            aggregated.merge(
-                    MetricNames.SUCCESSFUL_COMMITTABLES,
-                    ((Counter) 
metrics.get(MetricNames.SUCCESSFUL_COMMITTABLES)).getCount(),
-                    Long::sum);
-            aggregated.merge(
-                    MetricNames.ALREADY_COMMITTED_COMMITTABLES,
-                    ((Counter) 
metrics.get(MetricNames.ALREADY_COMMITTED_COMMITTABLES)).getCount(),
-                    Long::sum);
-            aggregated.merge(
-                    MetricNames.RETRIED_COMMITTABLES,
-                    ((Counter) 
metrics.get(MetricNames.RETRIED_COMMITTABLES)).getCount(),
-                    Long::sum);
-            aggregated.merge(
-                    MetricNames.FAILED_COMMITTABLES,
-                    ((Counter) 
metrics.get(MetricNames.FAILED_COMMITTABLES)).getCount(),
-                    Long::sum);
-            aggregated.merge(
-                    MetricNames.TOTAL_COMMITTABLES,
-                    ((Counter) 
metrics.get(MetricNames.TOTAL_COMMITTABLES)).getCount(),
-                    Long::sum);
-            aggregated.merge(
-                    MetricNames.PENDING_COMMITTABLES,
-                    ((Gauge<Integer>) 
metrics.get(MetricNames.PENDING_COMMITTABLES))
-                            .getValue()
-                            .longValue(),
-                    Long::sum);
+            if (metrics == null) {
+                continue;
+            }
+
+            Counter successCounter = (Counter) 
metrics.get(MetricNames.SUCCESSFUL_COMMITTABLES);
+            Counter committedCounter = (Counter) 
metrics.get(MetricNames.ALREADY_COMMITTED_COMMITTABLES);
+            Counter retriedCounter = (Counter) 
metrics.get(MetricNames.RETRIED_COMMITTABLES);
+            Counter failedCounter = (Counter) 
metrics.get(MetricNames.FAILED_COMMITTABLES);
+            Counter totalCounter = (Counter) 
metrics.get(MetricNames.TOTAL_COMMITTABLES);
+            Gauge<Integer> pendingMetrics =
+                    (Gauge<Integer>) 
metrics.get(MetricNames.PENDING_COMMITTABLES);
+
+            if (successCounter != null) {
+                aggregated.merge(
+                        MetricNames.SUCCESSFUL_COMMITTABLES,
+                        successCounter.getCount(),
+                        Long::sum);
+            }
+            if (successCounter != null) {

Review Comment:
   Yeah... copy paste



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