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Type: Bug
Resolution: Duplicate
Priority: P4
Fix Version/s: None
Affects Version/s: 24, 25
Component/s: hotspot
Labels:
- c2
- intrinsic
Environment:
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$ jdk-24/bin/java -version java version "24" 2025-03-18 Java(TM) SE Runtime Environment (build 24+36-3646) Java HotSpot(TM) 64-Bit Server VM (build 24+36-3646, mixed mode, sharing) $ uname -a Linux rock64-aarch64-2 6.13.5-3-aarch64-ARCH #1 SMP PREEMPT_DYNAMIC Wed Mar 5 18:09:23 MST 2025 aarch64 GNU/Linux $ cat /proc/cpuinfo processor : 0 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 1 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 2 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 3 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4
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$ jdk-24/bin/java -version java version "24" 2025-03-18 Java(TM) SE Runtime Environment (build 24+36-3646) Java HotSpot(TM) 64-Bit Server VM (build 24+36-3646, mixed mode, sharing) $ uname -a Linux rock64-aarch64-2 6.13.5-3-aarch64-ARCH #1 SMP PREEMPT_DYNAMIC Wed Mar 5 18:09:23 MST 2025 aarch64 GNU/Linux $ cat /proc/cpuinfo processor : 0 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 1 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 2 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 3 BogoMIPS : 48.00 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4

Subcomponent:
compiler
CPU:

aarch64

On linux running on a ARM Cortex A53, staring a simple hello world (in source mode) results in a crash while javac is compiling the input file:

$ jdk-24/bin/java A.java
An exception has occurred in the compiler ((version info not available)). Please file a bug against the Java compiler via the Java bug reporting page (https://bugreport.java.com) after checking the Bug Database (https://bugs.java.com) for duplicates. Include your program, the following diagnostic, and the parameters passed to the Java compiler in your report. Thank you.
java.lang.NoClassDefFoundError: com/sun/tools/javac/jvm/ClassReader$AttributeReader
        at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.initAttributeReaders(ClassReader.java:886)
        at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.<init>(ClassReader.java:309)
        at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.instance(ClassReader.java:271)
        at jdk.compiler/com.sun.tools.javac.code.ClassFinder.<init>(ClassFinder.java:186)
        at jdk.compiler/com.sun.tools.javac.code.ClassFinder.instance(ClassFinder.java:178)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.<init>(JavaCompiler.java:396)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.instance(JavaCompiler.java:129)
        at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.<init>(JavacProcessingEnvironment.java:208)
        at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.instance(JavacProcessingEnvironment.java:193)
        at jdk.compiler/com.sun.tools.javac.api.BasicJavacTask.initPlugins(BasicJavacTask.java:218)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.prepareCompiler(JavacTaskImpl.java:204)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.parseInternal(JavacTaskImpl.java:257)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.invocationHelper(JavacTaskImpl.java:152)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.parse(JavacTaskImpl.java:248)
        at jdk.compiler/com.sun.tools.javac.launcher.ProgramDescriptor.of(ProgramDescriptor.java:71)
        at jdk.compiler/com.sun.tools.javac.launcher.SourceLauncher.run(SourceLauncher.java:132)
        at jdk.compiler/com.sun.tools.javac.launcher.SourceLauncher.main(SourceLauncher.java:76)
Caused by: java.lang.ClassNotFoundException: com.sun.tools.javac.jvm.ClassReader$AttributeReader
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:580)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490)
        ... 17 more
Exception in thread "main" java.lang.IllegalStateException: java.lang.NoClassDefFoundError: com/sun/tools/javac/jvm/ClassReader$AttributeReader
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.parse(JavacTaskImpl.java:252)
        at jdk.compiler/com.sun.tools.javac.launcher.ProgramDescriptor.of(ProgramDescriptor.java:71)
        at jdk.compiler/com.sun.tools.javac.launcher.SourceLauncher.run(SourceLauncher.java:132)
        at jdk.compiler/com.sun.tools.javac.launcher.SourceLauncher.main(SourceLauncher.java:76)
Caused by: java.lang.NoClassDefFoundError: com/sun/tools/javac/jvm/ClassReader$AttributeReader
        at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.initAttributeReaders(ClassReader.java:886)
        at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.<init>(ClassReader.java:309)
        at jdk.compiler/com.sun.tools.javac.jvm.ClassReader.instance(ClassReader.java:271)
        at jdk.compiler/com.sun.tools.javac.code.ClassFinder.<init>(ClassFinder.java:186)
        at jdk.compiler/com.sun.tools.javac.code.ClassFinder.instance(ClassFinder.java:178)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.<init>(JavaCompiler.java:396)
        at jdk.compiler/com.sun.tools.javac.main.JavaCompiler.instance(JavaCompiler.java:129)
        at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.<init>(JavacProcessingEnvironment.java:208)
        at jdk.compiler/com.sun.tools.javac.processing.JavacProcessingEnvironment.instance(JavacProcessingEnvironment.java:193)
        at jdk.compiler/com.sun.tools.javac.api.BasicJavacTask.initPlugins(BasicJavacTask.java:218)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.prepareCompiler(JavacTaskImpl.java:204)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.parseInternal(JavacTaskImpl.java:257)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.invocationHelper(JavacTaskImpl.java:152)
        at jdk.compiler/com.sun.tools.javac.api.JavacTaskImpl.parse(JavacTaskImpl.java:248)
        ... 3 more
Caused by: java.lang.ClassNotFoundException: com.sun.tools.javac.jvm.ClassReader$AttributeReader
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:580)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490)
        ... 17 more

The issue is gone when either:
- using the -XX:-UseVectorizedHashCodeIntrinsic flag
- or disabling compilation of jdk.internal.util.ArraysSupport::vectorizedHashCode with -XX:CompileCommand=exclude,
- or disabling C2 by using -XX:TieredStopAtLevel=3

caused by

JDK-8341194 [REDO] Implement C2 VectorizedHashCode on AArch64

Resolved

duplicates

JDK-8353237 [AArch64] Incorrect result of VectorizedHashCode intrinsic on Cortex-A53

In Progress

Assignee:: Unassigned

Reporter:: Gilles Duboscq

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 2025-04-01 13:17

Updated:: 2025-04-04 00:05

Resolved:: 2025-04-04 00:05

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