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Chris Egerton commented on KAFKA-6833: -------------------------------------- [~bob-barrett] another possible approach could be to alter the behavior of the producer while it waits for metadata on a topic-partition. Currently, when a record is given to the producer to send, it checks its metadata cache and, if the topic-partition exists in the cache, [the cached data is used|https://github.com/apache/kafka/blob/9b476bc5f4a2fdbd62ad84e50e65331c21b321d0/clients/src/main/java/org/apache/kafka/clients/producer/KafkaProducer.java#L967-L968]. If the topic doesn't exist or that partition doesn't exist in the topic, the producer requests a metadata update and then waits until either {{max.block.ms}} has been exceeded or until an update has occurred that results in the [topic being created|https://github.com/apache/kafka/blob/9b476bc5f4a2fdbd62ad84e50e65331c21b321d0/clients/src/main/java/org/apache/kafka/clients/producer/KafkaProducer.java#L998]. We could tweak the logic so that the producer waits until either {{max.block.ms}} has been exceeded or until the topic-partition exists. This would relieve users of the KafkaProducer from having to handle retry logic for the suggested {{PartitionOutOfRangeException}}, although it could also potentially lead to slower failures when trying to send a record to an invalid partition. > KafkaProducer throws "Invalid partition given with record" exception > -------------------------------------------------------------------- > > Key: KAFKA-6833 > URL: https://issues.apache.org/jira/browse/KAFKA-6833 > Project: Kafka > Issue Type: Bug > Affects Versions: 1.0.0 > Reporter: Arjun Satish > Assignee: Bob Barrett > Priority: Minor > > Currently, when creating topics via ZooKeeper, there is a small but definite > delay between creating the nodes in ZK, and having the topics created in the > brokers. the KafkaProducer maintains a metadata cache about topics which get > updated after the broker metadata is updated. If an application adds > partitions to a topic, and immediately tries to produce records to a new > partition, a KafkaException is throw with a message similar to the following: > {code:java} > Caused by: org.apache.kafka.common.KafkaException: Invalid partition given > with record: 12 is not in the range [0...1). > {code} > In this case, since the application has context that it created the topics, > it might be worthwhile to consider if a more specific exception can be thrown > instead of KafkaException. For example: > {code:java} > public class PartitionNotFoundException extends KafkaException {...}{code} > This could allow the application to be able to interpret such an error, and > act accordingly. > EDIT: Correct "create topics" to "adds partitions to a topic". -- This message was sent by Atlassian JIRA (v7.6.3#76005)