AHeise commented on code in PR #107:
URL:
https://github.com/apache/flink-connector-kafka/pull/107#discussion_r1671800650
##########
flink-connector-kafka/src/main/java/org/apache/flink/connector/kafka/sink/KafkaWriter.java:
##########
@@ -449,12 +460,17 @@ public void onCompletion(RecordMetadata metadata,
Exception exception) {
}
// Checking for exceptions from previous writes
- mailboxExecutor.submit(
+ // Notice: throwing exception in mailboxExecutor thread is not
safe enough for
+ // triggering global
+ // fail over, which has been fixed in [FLINK-31305]. And using
+ // mailboxExecutor.execute() is better than
+ // mailboxExecutor.submit() since submit will swallow
exceptions inside.
+ mailboxExecutor.execute(
Review Comment:
As a follow-up, I opened and resolved
https://issues.apache.org/jira/browse/FLINK-35796.
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