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  1. Flink
  2. FLINK-15736 Support Java 17 (LTS)
  3. FLINK-24998

SIGSEGV in Kryo / C2 CompilerThread on Java 17

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    Description

      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.

      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)

      The full error is attached to the ticket. I can also provide the core dump if needed.

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          is blocked by

          Improvement - An improvement or enhancement to an existing feature or task. FLINK-3154 Update Kryo version from 2.24.0 to latest Kryo LTS version

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          links to

          Web Link GitHub Pull Request #22737

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              chesnay Chesnay Schepler
              chesnay Chesnay Schepler
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                Updated:
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