Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/5108#discussion_r154289435
--- Diff:
flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/connectors/kafka/partitioner/FlinkFixedPartitioner.java
---
@@ -68,6 +78,13 @@ public int partition(T record, byte[] key, byte[] value,
String targetTopic, int
partitions != null && partitions.length > 0,
"Partitions of the target topic is empty.");
- return partitions[parallelInstanceId % partitions.length];
+ if (topicToFixedPartition.containsKey(targetTopic)) {
--- End diff --
@aljoscha that is correct. I was hesitant in fixing that because it was a
problem that had always been there even in the previous version of the
FlinkFixedPartitioner, but AFAIK there hasnât been complaints about it.
We could also fix that for good now. What do you think?
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