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[Cherrypick] Configure JVM so that it exits upon OutOfMemoryError originating in JVM (#38567)#38582

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Amar3tto wants to merge 1 commit into
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[Cherrypick] Configure JVM so that it exits upon OutOfMemoryError originating in JVM (#38567)#38582
Amar3tto wants to merge 1 commit into
release-2.74from
cp-38567

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@Amar3tto Amar3tto requested review from Abacn, damccorm and scwhittle May 21, 2026 12:02
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Summary of Changes

Hello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request modifies the Java container boot process in the Apache Beam SDK. It removes the automatic JVM exit behavior on OutOfMemoryError and streamlines the conditional logic for enabling heap dumps, improving the clarity and maintainability of the container startup arguments.

Highlights

  • JVM Configuration: Removed the '-XX:+ExitOnOutOfMemoryError' flag from the Java container boot configuration.
  • Heap Dump Logic: Refactored the heap dump configuration logic to be more concise by directly appending arguments when the option is enabled.
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Code Review

This pull request modifies the JVM configuration in the Java SDK container boot code by removing the -XX:+ExitOnOutOfMemoryError flag and refactoring the logic for enabling heap dumps. Review feedback points out that removing the exit-on-OOM flag appears to be a mistake that contradicts the PR's objective, as it is necessary to ensure the JVM restarts rather than remaining in a degraded state after an OutOfMemoryError.

// Crash and restart instead of throwing OutOfMemoryError which may be caught by user or
// framework code and leave things in a degraded state.
"-XX:+ExitOnOutOfMemoryError",
}
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high

The pull request title indicates that the objective is to configure the JVM to exit on OutOfMemoryError. However, this change removes the -XX:+ExitOnOutOfMemoryError flag and its associated explanatory comment. This appears to be a mistake in the cherry-pick process, as it directly contradicts the stated goal of the PR. If the intention is to ensure the JVM exits on OOM to avoid degraded states, these lines should be retained.

Suggested change
}
// Crash and restart instead of throwing OutOfMemoryError which may be caught by user or
// framework code and leave things in a degraded state.
"-XX:+ExitOnOutOfMemoryError",
}

@Amar3tto
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Waiting for the Java PreCommit check

@Amar3tto
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testJobServerDriver (org.apache.beam.runners.flink.FlinkJobServerDriverTest) failed
runners/flink/1.17/build/test-results/test/TEST-org.apache.beam.runners.flink.FlinkJobServerDriverTest.xml
test timed out after 30000 milliseconds

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Abacn commented May 21, 2026

test failure (java unit test) not related to the PR (boot.go change)

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