ChaomingZhangCN commented on code in PR #3859:
URL: https://github.com/apache/flink-cdc/pull/3859#discussion_r1916398687
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flink-cdc-runtime/src/main/java/org/apache/flink/cdc/runtime/operators/schema/common/SchemaRegistry.java:
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@@ -280,7 +280,9 @@ public final void subtaskReset(int subTaskId, long
checkpointId) {
@Override
public final void executionAttemptFailed(
int subTaskId, int attemptNumber, @Nullable Throwable reason) {
- failedReasons.put(subTaskId, reason);
+ if (reason != null) {
+ failedReasons.put(subTaskId, reason);
+ }
Review Comment:
Can not put a null value into ConcurrentHashMap, which will cause NPE.
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