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Chesnay Schepler commented on FLINK-24998: ------------------------------------------ [~schoeneu] That is a good find. I _think_ I used JDK 17.0.1 during my tests, which would fit the ticket? I will look into this again next week. > SIGSEGV in Kryo / C2 CompilerThread on Java 17 > ---------------------------------------------- > > Key: FLINK-24998 > URL: https://issues.apache.org/jira/browse/FLINK-24998 > Project: Flink > Issue Type: Sub-task > Components: API / Type Serialization System > Reporter: Chesnay Schepler > Priority: Blocker > Attachments: -__w-1-s-flink-tests-target-hs_err_pid470059.log > > > While running our tests on CI with Java 17 they failed infrequently with a > SIGSEGV error. > All occurrences were related to Kryo and happened in the C2 CompilerThread. > {code:java} > Current thread (0x00007f1394165c00): JavaThread "C2 CompilerThread0" daemon > [_thread_in_native, id=470077, stack(0x00007f1374361000,0x00007f1374462000)] > Current CompileTask: > C2: 14251 6333 4 com.esotericsoftware.kryo.io.Input::readString > (127 bytes) > {code} > The full error is attached to the ticket. -I can also provide the core dump > if needed.- -- This message was sent by Atlassian Jira (v8.20.10#820010)