freezhan opened a new pull request #12157: URL: https://github.com/apache/flink/pull/12157
[FLINK-17691](https://issues.apache.org/jira/browse/FLINK-17691) # What is the purpose of the change This pull request is to fix the bug that the kafka producer011 failed to send msg when the auto setting transactional.id too long When in `Semantic.EXACTLY_ONCE` mode, the producer011 will ignore the transactional.id which user defined, But auto generator by [TransactionalIdsGenerator](https://github.com/apache/flink/blob/ff861c2d8d522638821708fbefaea0bfdc77d358/flink-connectors/flink-connector-kafka-0.11/src/main/java/org/apache/flink/streaming/connectors/kafka/internal/TransactionalIdsGenerator.java#L47) # Brief change log * Do md5 on the transactional.id prefix # Verifying this change * create a sink kafka job in `Semantic.EXACTLY_ONCE` mode * make the operatorName's length large than 32767 (or a large sql operator, which sql string's length is larger than 32767) [FlinkKafkaProducer011 init TransactionalIdsGenerator](https://github.com/apache/flink/blob/ff861c2d8d522638821708fbefaea0bfdc77d358/flink-connectors/flink-connector-kafka-0.11/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaProducer011.java#L839) prefix ```java getRuntimeContext().getTaskName() + "-" + ((StreamingRuntimeContext) getRuntimeContext()).getOperatorUniqueID() ``` # Does this pull request potentially affect one of the following parts: * Dependencies (does it add or upgrade a dependency): (no) * The public API, i.e., is any changed class annotated with @Public(Evolving): (no) * The serializers: (no) * The runtime per-record code paths (performance sensitive): (no) * Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (no) * The S3 file system connector: (no) # Documentation * Does this pull request introduce a new feature? (no) * If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
