[FLINK-17790] flink-connector-kafka-base does not compile on Java11

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.11.0
• Fix Version/s: 1.11.0
• Component/s: Connectors / Kafka, Table SQL / Ecosystem
• Labels: pull-request-available
• Assignee: Till Rohrmann
• Reporter: Robert Metzger
• Created: 18/May/20 06:52
• Updated: 16/Oct/20 10:50
• Resolved: 19/May/20 07:31

Description

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=1657&view=logs&j=946871de-358d-5815-3994-8175615bc253&t=e0240c62-4570-5d1c-51af-dd63d2093da1

[ERROR] /__w/3/s/flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/connectors/kafka/table/KafkaOptions.java:[271,41] incompatible types: cannot infer type-variable(s) U,T,T,T,T
(argument mismatch; bad return type in lambda expression
java.util.Optional<org.apache.flink.streaming.connectors.kafka.partitioner.FlinkKafkaPartitioner> cannot be converted to java.util.Optional<? extends org.apache.flink.streaming.connectors.kafka.partitioner.FlinkKafkaPartitioner<org.apache.flink.table.data.RowData>>)
[INFO] 1 error

Issue Links

• links to: GitHub Pull Request #12211