Matthias Pohl created FLINK-31395:
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Summary: AbstractPartitionDiscoverer.discoverPartitions calls
remove on immutable collection
Key: FLINK-31395
URL: https://issues.apache.org/jira/browse/FLINK-31395
Project: Flink
Issue Type: Bug
Components: Connectors / Kafka
Affects Versions: 1.16.1
Reporter: Matthias Pohl
https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=47009&view=logs&j=aa18c3f6-13b8-5f58-86bb-c1cffb239496&t=502fb6c0-30a2-5e49-c5c2-a00fa3acb203&l=8459
{{FlinkKafkaConsumerBaseTest.testClosePartitionDiscovererWithCancellation}}
failed because of that.
{code}
[...]
Mar 10 01:48:27 Caused by: java.lang.RuntimeException:
java.lang.UnsupportedOperationException
Mar 10 01:48:27 at
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.runWithPartitionDiscovery(FlinkKafkaConsumerBase.java:846)
Mar 10 01:48:27 at
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.run(FlinkKafkaConsumerBase.java:828)
Mar 10 01:48:27 at
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBaseTest.lambda$testNormalConsumerLifecycle$9(FlinkKafkaConsumerBaseTest.java:695)
Mar 10 01:48:27 at
org.apache.flink.util.function.ThrowingRunnable.lambda$unchecked$0(ThrowingRunnable.java:49)
Mar 10 01:48:27 at
java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1640)
Mar 10 01:48:27 at
java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1632)
Mar 10 01:48:27 at
java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
Mar 10 01:48:27 at
java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
Mar 10 01:48:27 at
java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
Mar 10 01:48:27 at
java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:175)
Mar 10 01:48:27 Caused by: java.lang.UnsupportedOperationException
Mar 10 01:48:27 at java.util.Collections$1.remove(Collections.java:4686)
Mar 10 01:48:27 at
org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer.discoverPartitions(AbstractPartitionDiscoverer.java:165)
Mar 10 01:48:27 at
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.lambda$createAndStartDiscoveryLoop$2(FlinkKafkaConsumerBase.java:880)
Mar 10 01:48:27 at java.lang.Thread.run(Thread.java:748)
{code}
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