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Xuannan Su commented on FLINK-36290: ------------------------------------ It is probably related to the [commit|http:// [https://github.com/apache/flink/commit/4de67a170a32fe0662c43571bb9bfbcdbd35183b],] which removed the configuration `taskmanager.network.netty.num-arena` that is set by this test `test_netty_shuffle_memory_control.sh`. All the failed cases occur after this commit. For some unknown reason, this test passed with JDK 8 but failed with JDK 11+. > OutOfMemoryError in connect test run > ------------------------------------ > > Key: FLINK-36290 > URL: https://issues.apache.org/jira/browse/FLINK-36290 > Project: Flink > Issue Type: Bug > Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile), Tests > Affects Versions: 2.0-preview > Reporter: Matthias Pohl > Priority: Blocker > > We saw a OOM in the connect stage that's caused a fatal error: > https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=62173&view=logs&j=1c002d28-a73d-5309-26ee-10036d8476b4&t=d1c117a6-8f13-5466-55f0-d48dbb767fcd&l=12182 > {code} > 03:19:59,975 [ flink-scheduler-1] ERROR > org.apache.flink.util.FatalExitExceptionHandler [] - FATAL: > Thread 'flink-scheduler-1' produced an uncaught exception. Stopping the > process... > java.lang.OutOfMemoryError: Java heap space > [...] > 03:19:59,981 [jobmanager_62-main-scheduler-thread-1] ERROR > org.apache.flink.util.FatalExitExceptionHandler [] - FATAL: > Thread 'jobmanager_62-main-scheduler-thread-1' produced an uncaught > exception. Stopping the process... > java.lang.OutOfMemoryError: Java heap space > [...] > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)