Dawid Wysakowicz created FLINK-19156:
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Summary: Migration of transactionIdHint in Kafka is never applied
Key: FLINK-19156
URL: https://issues.apache.org/jira/browse/FLINK-19156
Project: Flink
Issue Type: Bug
Components: Connectors / Kafka
Affects Versions: 1.9.0
Reporter: Dawid Wysakowicz
The code that checks if we should migrate the transaction id is as follows:
{code}
@Deprecated
private static final
ListStateDescriptor<FlinkKafkaProducer.NextTransactionalIdHint>
NEXT_TRANSACTIONAL_ID_HINT_DESCRIPTOR =
new ListStateDescriptor<>("next-transactional-id-hint",
TypeInformation.of(NextTransactionalIdHint.class));
if
(context.getOperatorStateStore().getRegisteredStateNames().contains(NEXT_TRANSACTIONAL_ID_HINT_DESCRIPTOR))
{
migrateNextTransactionalIdHindState(context);
}
{code}
The condition in if statement is never met because it checks if a
{{Set<String>}} contains object of type {{ListStateDescriptor}}
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