자바 AOT 캐시는 배포 환경에서 충돌과 최적화 누락을 일으킬 수 있다

-XX:+UnlockDiagnosticVMOptions -XX:-AOTAdapterCaching

A fatal error has been detected by the Java Runtime Environment:

SIGILL (0x4) at pc=0x00007fcc85ae2613, pid=4054, tid=4147

JRE version: OpenJDK Runtime Environment Zulu25.32+21-CA (25.0.2+10) (build 25.0.2+10-LTS)
Java VM: OpenJDK 64-Bit Server VM Zulu25.32+21-CA (25.0.2+10-LTS, mixed mode, sharing, tiered, compressed oops, compact obj headers, g1 gc, linux-amd64)

Problematic frame:
v ~AdapterBlob 0x00007fcc85ae2613

#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ILLEGAL_INSTRUCTION (0xc000001d) at pc=0x000001d00d9f6c2b, pid=39700, tid=37844
#
# JRE version: OpenJDK Runtime Environment Zulu25.30+17-CA (25.0.1+8) (build 25.0.1+8-LTS)
# Java VM: OpenJDK 64-Bit Server VM Zulu25.30+17-CA (25.0.1+8-LTS, mixed mode, sharing, tiered, compressed oops, compact obj headers, g1 gc, windows-amd64)
# Problematic frame:
# v ~AdapterBlob 0x000001d00d9f6c2b

[0.024s][info][aot] full module graph: disabled
[0.024s][info][aot] initial optimized module handling: enabled
[0.024s][info][aot] initial full module graph: disabled
[0.024s][info][aot] Using AOT-linked classes: false (static archive: no aot-linked classes)
[0.032s][info][aot] JVM_StartThread() ignored: java.lang.ref.Reference$ReferenceHandler
[0.032s][info][aot] JVM_StartThread() ignored: java.lang.ref.Finalizer$FinalizerThread
[0.050s][info][aot] Not starting management agent during creation of AOT cache.

def distDir = "${project.layout.buildDirectory.get()}/dist"

tasks.register('trainAot', DefaultTask) {
 doLast {
 // You usually want your application to behave a bit differently
 // during a training run, so we pass properties to do that
 // E.g. it should not block with a dialog if it is a GUI application
 // as it should run unattended
 def properties = [
 "-D" + propertyName("dataDir") + "=$distDir/local_train",
 "-D" + propertyName("aotTrainMode") + "=true",
 ]

 def jvmName = System.getProperty("java.vendor.version")
 def graal = jvmName != null && jvmName.toLowerCase().contains("graal")

 // The generated jlink/jpackage image
 def imageDir
 // The command to launch the jlink launcher script
 def command
 // The cache output location is relative to the working directory of the jlink launcher script
 def cacheOutput
 // The jpackage app configuration file
 def cfgFile
 // The AOT cache location as seen from the jpackage launcher configuration
 def cfgCache
 if (os.isWindows()) {
 // We generated the application image here during the build
 imageDir = "$distDir/${productName}"
 command = ['cmd', '/c', "$imageDir/runtime/bin/${jpackageExecutableName}.bat"]
 cacheOutput = './server/cache.aot'
 cfgFile = "$imageDir/app/${jpackageExecutableName}.cfg"
 cfgCache = '$ROOTDIR/runtime/bin/server/cache.aot'
 } else if (os.isLinux()) {
 // We generated the application image here during the build
 imageDir = "$distDir/${productName}"
 command = ["$imageDir/lib/runtime/bin/${jpackageExecutableName}"]
 cacheOutput = './lib/runtime/lib/server/cache.aot'
 cfgFile = "$imageDir/lib/app/${jpackageExecutableName}.cfg"
 cfgCache = '$APPDIR/../../lib/runtime/lib/server/cache.aot'
 } else {
 // We generated the application image here during the build
 imageDir = "$distDir/${productName}.app"
 command = ["$imageDir/Contents/runtime/Contents/Home/bin/${jpackageExecutableName}"]
 cacheOutput = './Contents/runtime/Contents/Home/lib/server/cache.aot'
 cfgFile = "$imageDir/Contents/app/${jpackageExecutableName}.cfg"
 cfgCache = '$ROOTDIR/Contents/runtime/Contents/Home/lib/server/cache.aot'
 }

 def jvmOptions = [
 "-XX:+UnlockDiagnosticVMOptions",
 "-XX:-AOTAdapterCaching",
 "-XX:+AOTClassLinking",
 "-XX:AOTCacheOutput=$cacheOutput",
 "-Xlog:aot",
 ]
 if (graal) {
 jvmOptions += ["--add-modules", "jdk.internal.vm.ci"]
 }

 execOps.exec {
 commandLine((command + properties).collect { it.toString() })
 workingDir imageDir
 // We use the old variable CDS_JVM_OPTS of the default jlink launcher scripts
 // to pass custom AOT JVM arguments to the process
 // All jlink launcher scripts support this variable
 environment "CDS_JVM_OPTS", jvmOptions.join(" ")
 }

 def cfg = file(cfgFile)
 cfg.text = cfg.text + "java-options=-XX:AOTCache=$cfgCache\njava-options=-Xlog:disable\n"
 }
}