asmhatreandClaude Sonnet 5
f59c1de96d
Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01B38FGKKam5SCGgwgduVAh3
50 lines
2.4 KiB
Plaintext
50 lines
2.4 KiB
Plaintext
# sun.misc.Unsafe memory access (JEP 498) and JNI (JEP 472): what does the JVM say?
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$ java UnsafeWarning (JDK 21)
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java.version = 21.0.12.1
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read back: 42
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$ java UnsafeWarning (JDK 25)
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java.version = 25.0.4.1
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WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
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WARNING: sun.misc.Unsafe::allocateMemory has been called by UnsafeWarning (file:<repo>/build/lanes/us25/)
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WARNING: Please consider reporting this to the maintainers of class UnsafeWarning
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WARNING: sun.misc.Unsafe::allocateMemory will be removed in a future release
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read back: 42
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$ java UnsafeWarning (JDK 24, Corretto image)
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java.version = 24.0.2
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WARNING: A terminally deprecated method in sun.misc.Unsafe has been called
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WARNING: sun.misc.Unsafe::allocateMemory has been called by UnsafeWarning (file:/b/us21/)
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WARNING: Please consider reporting this to the maintainers of class UnsafeWarning
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WARNING: sun.misc.Unsafe::allocateMemory will be removed in a future release
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read back: 42
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$ java JniWarning (JDK 21)
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java.version = 21.0.12.1
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System.loadLibrary("net") returned
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$ java --enable-native-access=ALL-UNNAMED JniWarning (JDK 21)
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java.version = 21.0.12.1
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System.loadLibrary("net") returned
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$ java JniWarning (JDK 25)
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java.version = 25.0.4.1
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WARNING: A restricted method in java.lang.System has been called
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WARNING: java.lang.System::loadLibrary has been called by JniWarning in an unnamed module (file:<repo>/build/lanes/jni25/)
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WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module
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WARNING: Restricted methods will be blocked in a future release unless native access is enabled
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System.loadLibrary("net") returned
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$ java --enable-native-access=ALL-UNNAMED JniWarning (JDK 25)
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java.version = 25.0.4.1
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System.loadLibrary("net") returned
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$ java JniWarning (JDK 24, Corretto image)
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java.version = 24.0.2
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System.loadLibrary("net") returned
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WARNING: A restricted method in java.lang.System has been called
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WARNING: java.lang.System::loadLibrary has been called by JniWarning in an unnamed module (file:/b/jni21/)
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WARNING: Use --enable-native-access=ALL-UNNAMED to avoid a warning for callers in this module
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WARNING: Restricted methods will be blocked in a future release unless native access is enabled
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