0:015> dt utfSource
Local var @ 0x29c4efdaa8 Type char*
0x00000029`c4efdb40 "file:/D:/utilities/SPECjbb2005/jbb.jar"


00 00007ffe`357b4957 : 00000131`69f01b50 00000029`c4efd4f0 0000012f`43eabf00 0003ffff`ffffffff : jvm!JfrClassDefineEvent::on_creation+0x280 [d:\dev\github\jdk_copy4\open\src\hotspot\share\jfr\support\jfrClassDefineEvent.cpp @ 167]
01 00007ffe`35ab4596 : 00000029`c4efd428 00000029`c4efd4f0 0000012f`43eabf00 0000012f`43eabf00 : jvm!Jfr::on_klass_creation+0x97 [d:\dev\github\jdk_copy4\open\src\hotspot\share\jfr\jfr.cpp @ 90]
02 00007ffe`35f92185 : 00000029`c4efd990 00000131`706d8690 00000131`6d77e230 00000029`c4efd8d8 : jvm!KlassFactory::create_from_stream+0x3b6 [d:\dev\github\jdk_copy4\open\src\hotspot\share\classfile\klassFactory.cpp @ 219]
03 00007ffe`35f925a8 : 00000029`c4efd990 00000131`706d8690 0000012f`43ead168 00000029`c4efd8d8 : jvm!SystemDictionary::resolve_class_from_stream+0x145 [d:\dev\github\jdk_copy4\open\src\hotspot\share\classfile\systemDictionary.cpp @ 866]
04 00007ffe`358cd2b2 : 00000029`c4efd990 00000131`706d8690 0000012f`43ead168 00000029`c4efd8d8 : jvm!SystemDictionary::resolve_from_stream+0x88 [d:\dev\github\jdk_copy4\open\src\hotspot\share\classfile\systemDictionary.cpp @ 904]
05 00007ffe`358c070e : 00000029`c4efdac0 00000029`c4efe058 00000131`70756ae0 0000012f`000041ef : jvm!jvm_define_class_common+0x282 [d:\dev\github\jdk_copy4\open\src\hotspot\share\prims\jvm.cpp @ 884]
06 00007ffe`d75f1e07 : 0000012f`43eac398 00000029`c4efdac0 00000029`c4efe058 00000131`70756ae0 : jvm!JVM_DefineClassWithSource+0xae [d:\dev\github\jdk_copy4\open\src\hotspot\share\prims\jvm.cpp @ 1051]
07 0000012f`5403f682 : 0000012f`43eac398 00000029`c4efe018 00000029`c4efe058 00000029`c4efe050 : java!Java_java_lang_ClassLoader_defineClass1+0x1e7 [d:\dev\github\jdk_copy4\open\src\java.base\share\native\libjava\ClassLoader.c @ 139] <<--- utf8Source
08 0000012f`43eac398 : 00000029`c4efe018 00000029`c4efe058 00000029`c4efe050 00000029`c4efe048 : 0x0000012f`5403f682
09 00000029`c4efe018 : 00000029`c4efe058 00000029`c4efe050 00000029`c4efe048 00007ffe`00000000 : 0x0000012f`43eac398
0a 00000029`c4efe058 : 00000029`c4efe050 00000029`c4efe048 00007ffe`00000000 0000012f`000041ef : 0x00000029`c4efe018
0b 00000029`c4efe050 : 00000029`c4efe048 00007ffe`00000000 0000012f`000041ef 00000029`c4efe030 : 0x00000029`c4efe058
0c 00000029`c4efe048 : 00007ffe`00000000 0000012f`000041ef 00000029`c4efe030 00000029`c4efe028 : 0x00000029`c4efe050
0d 00007ffe`00000000 : 0000012f`000041ef 00000029`c4efe030 00000029`c4efe028 0000012f`54051c97 : 0x00000029`c4efe048
0e 0000012f`000041ef : 00000029`c4efe030 00000029`c4efe028 0000012f`54051c97 0000012f`5c96c840 : 0x00007ffe`00000000
0f 00000029`c4efe030 : 00000029`c4efe028 0000012f`54051c97 0000012f`5c96c840 00000131`69121288 : 0x0000012f`000041ef
10 00000029`c4efe028 : 0000012f`54051c97 0000012f`5c96c840 00000131`69121288 ffffffff`fffffff7 : 0x00000029`c4efe030
11 0000012f`54051c97 : 0000012f`5c96c840 00000131`69121288 ffffffff`fffffff7 00000000`00000000 : 0x00000029`c4efe028
12 0000012f`5c96c840 : 00000131`69121288 ffffffff`fffffff7 00000000`00000000 00000000`0000000a : 0x0000012f`54051c97
13 00000131`69121288 : ffffffff`fffffff7 00000000`00000000 00000000`0000000a 00000131`69197710 : 0x0000012f`5c96c840
14 ffffffff`fffffff7 : 00000000`00000000 00000000`0000000a 00000131`69197710 00000000`00000000 : 0x00000131`69121288
15 00000000`00000000 : 00000000`0000000a 00000131`69197710 00000000`00000000 0000012f`5c89bb88 : 0xffffffff`fffffff7



0:015> dt source
Local var @ 0x29c4efda90 Type char*
0x00000029`c4efdb40 "file:/D:/utilities/SPECjbb2005/jbb.jar"


JVM_ENTRY(jclass, JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, jsize len, jobject pd, const char *source))

  return jvm_define_class_common(name, loader, buf, len, pd, source, THREAD);
JVM_END


JNIEXPORT jclass JNICALL
Java_java_lang_ClassLoader_defineClass1(JNIEnv *env,
                                        jclass cls,
                                        jobject loader,
                                        jstring name,
                                        jbyteArray data,
                                        jint offset,
                                        jint length,
                                        jobject pd,
                                        jstring source)
{
    jbyte *body;
    char *utfName;
    jclass result = 0;
    char buf[128];
    char* utfSource;
    char sourceBuf[1024];

    if (data == NULL) {
        JNU_ThrowNullPointerException(env, 0);
        return NULL;
    }

    /* Work around 4153825. malloc crashes on Solaris when passed a
     * negative size.
     */
    if (length < 0) {
        JNU_ThrowArrayIndexOutOfBoundsException(env, 0);
        return NULL;
    }

    // On AIX malloc(0) returns NULL which looks like an out-of-memory
    // condition; so adjust it to malloc(1)
    #ifdef _AIX
        body = (jbyte *)malloc(length == 0 ? 1 : length);
    #else
        body = (jbyte *)malloc(length);
    #endif

    if (body == NULL) {
        JNU_ThrowOutOfMemoryError(env, 0);
        return NULL;
    }

    (*env)->GetByteArrayRegion(env, data, offset, length, body);

    if ((*env)->ExceptionCheck(env)) {
        goto free_body;
    }

    if (name != NULL) {
        utfName = getUTF(env, name, buf, sizeof(buf));
        if (utfName == NULL) {
            goto free_body;
        }
        fixClassname(utfName);
    } else {
        utfName = NULL;
    }

    if (source != NULL) {
        utfSource = getUTF(env, source, sourceBuf, sizeof(sourceBuf));
        if (utfSource == NULL) {
            goto free_utfName;
        }
    } else {
        utfSource = NULL;
    }
    result = JVM_DefineClassWithSource(env, utfName, loader, body, length, pd, utfSource); <--

    if (utfSource && utfSource != sourceBuf)
        free(utfSource);

 free_utfName:
    if (utfName && utfName != buf)
        free(utfName);

 free_body:
    free(body);
    return result;
}


java.lang.ClassLoader

    private String defineClassSourceLocation(ProtectionDomain pd) {
        CodeSource cs = pd.getCodeSource();
        String source = null;
        if (cs != null && cs.getLocation() != null) {
            source = cs.getLocation().toString();
        }
        return source;
    }


    protected final Class<?> defineClass(String name, byte[] b, int off, int len,
                                         ProtectionDomain protectionDomain)
        throws ClassFormatError
    {
        protectionDomain = preDefineClass(name, protectionDomain);
        String source = defineClassSourceLocation(protectionDomain);
        Class<?> c = defineClass1(this, name, b, off, len, protectionDomain, source);
        postDefineClass(c, protectionDomain);
        return c;
    }
    
    
0:015> dt source
Local var @ 0x29c4efda90 Type char*
0x00000029`c4efdb40 0:015> dt utfSource
Local var @ 0x29c4efdaa8 Type char*
0x00000029`c4efdb40 "file:/D:/utilities/SPECjbb2005/jbb.jar"


// Corresponding path resolution for AOT

0:017> dt path
Local var @ 0xcb77bfeb18 Type char*
0x000001dc`1738cff8 "jbb.jar"

 kb
 # RetAddr : Args to Child : Call Site
00 00007ffe`34ee0ba6 : 000000cb`77bfeb30 000001dc`1517e950 000001dc`15183b10 00007ffe`00000000 : jvm!ClassLocationStream::add_one_path [d:\dev\github\jdk_copy4\open\src\hotspot\share\cds\aotClassLocation.cpp @ 63]
01 00007ffe`34ee075d : 000000cb`77bfed10 000001dc`1517e950 00000000`00000000 00007ffe`00000000 : jvm!ClassLocationStream::add_paths_in_classpath+0x46 [d:\dev\github\jdk_copy4\open\src\hotspot\share\cds\aotClassLocation.cpp @ 71]
02 00007ffe`34ee0697 : 000000cb`77bfed10 00007ffe`34ee041a 000000cb`77bfeca0 00000000`00000000 : jvm!AppCpClassLocationStream::AppCpClassLocationStream+0x4d [d:\dev\github\jdk_copy4\open\src\hotspot\share\cds\aotClassLocation.cpp @ 124]
03 00007ffe`34edd35c : 000000cb`77bfecd0 00000000`00000000 000001de`3bf1f468 00007ffe`35be75f9 : jvm!AllClassLocationStreams::AllClassLocationStreams+0x27 [d:\dev\github\jdk_copy4\open\src\hotspot\share\cds\aotClassLocation.cpp @ 153]
04 00007ffe`34edeece : 000001de`3bf1f3d0 000001dc`1738c380 000001de`00000000 00000000`0000000a : jvm!AOTClassLocationConfig::dumptime_init_helper+0x4c [d:\dev\github\jdk_copy4\open\src\hotspot\share\cds\aotClassLocation.cpp @ 458]
05 00007ffe`35f92d32 : 000001dc`1738c380 000001de`3cb4f801 000001de`00000013 000001de`3befb2f0 : jvm!AOTClassLocationConfig::dumptime_init+0x7e [d:\dev\github\jdk_copy4\open\src\hotspot\share\cds\aotClassLocation.cpp @ 444]
06 00007ffe`36024c06 : 000001dc`1738c380 000001dc`00000000 000001dc`1738c380 000001dc`1738c380 : jvm!SystemDictionary::initialize+0xb2 [d:\dev\github\jdk_copy4\open\src\hotspot\share\classfile\systemDictionary.cpp @ 1618]
07 00007ffe`36023867 : 000001dc`1738c380 00007ffe`0000000a 00000000`00000000 00007ffe`36ec5b40 : jvm!Universe::genesis+0x496 [d:\dev\github\jdk_copy4\open\src\hotspot\share\memory\universe.cpp @ 450]
08 00007ffe`3574ba69 : 000001de`3bef50e0 000001de`3bef50e0 00007ffe`36ec5b40 00007ffe`00000000 : jvm!universe2_init+0x27 [d:\dev\github\jdk_copy4\open\src\hotspot\share\memory\universe.cpp @ 1118]
09 00007ffe`35ff48b5 : 000001de`3bef4fe0 00000000`00000003 00000000`00000000 000000cb`77bff2a4 : jvm!init_globals2+0x9 [d:\dev\github\jdk_copy4\open\src\hotspot\share\runtime\init.cpp @ 174]
0a 00007ffe`35895b3c : 000000cb`77bffcc8 000000cb`77bffb80 00000000`00000008 00000000`00000000 : jvm!Threads::create_vm+0x515 [d:\dev\github\jdk_copy4\open\src\hotspot\share\runtime\threads.cpp @ 622]
0b 00007ffe`3587851f : 000000cb`77bffd18 000000cb`77bffd20 000000cb`77bffcc8 00000000`00000009 : jvm!JNI_CreateJavaVM_inner+0x7c [d:\dev\github\jdk_copy4\open\src\hotspot\share\prims\jni.cpp @ 3621]
*** WARNING: Unable to verify checksum for D:\dev\github\jdk_copy4\build\windows-x86_64-server-slowdebug\images\jdk\bin\jli.dll
0c 00007ffe`e070bb1c : 000000cb`77bffd18 000000cb`77bffd20 000000cb`77bffcc8 00007ffe`e070ed33 : jvm!JNI_CreateJavaVM+0x2f [d:\dev\github\jdk_copy4\open\src\hotspot\share\prims\jni.cpp @ 3712]
0d 00007ffe`e0709b96 : 000000cb`77bffd18 000000cb`77bffd20 000000cb`77bffd98 00000000`00000000 : jli!InitializeJVM+0x11c [d:\dev\github\jdk_copy4\open\src\java.base\share\native\libjli\java.c @ 1506]
0e 00007ffe`e070fd53 : 000000cb`7732f8e8 00007fff`00a53100 00007fff`03cbd3a0 00000000`00000000 : jli!JavaMain+0xd6 [d:\dev\github\jdk_copy4\open\src\java.base\share\native\libjli\java.c @ 494]
0f 00007fff`03c21bb2 : 000000cb`7732f8e8 00000000`00000000 00000000`00000000 00000000`00000000 : jli!ThreadJavaMain+0x13 [d:\dev\github\jdk_copy4\open\src\java.base\windows\native\libjli\java_md.c @ 633]
10 00007fff`05567344 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ucrtbase!thread_start<unsigned int (__cdecl*)(void *),1>+0x42
11 00007fff`064e26b1 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : KERNEL32!BaseThreadInitThunk+0x14
12 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!RtlUserThreadStart+0x21

Summary:

Normal class loading source = "file:/D:/utilities/SPECjbb2005/jbb.jar"

AOT class loading source = "jbb.jar"

Either resolve this inconsistency within AOT or resolve it locally at the location of JfrClassDefineEvent.