On 01/05/2011 01:31 AM, John Rose wrote:
On Jan 2, 2011, at 6:42 AM, Rémi Forax wrote:
This means there is a bug in my code but also
that there is a bug in the VM which should reject the bad class file
instead of crashing.
Try "java -Xverify:all". If the class file fails verification *but* the
verifier is not used, the JVM is allowed to be unpredictable.
-- John
The class file is verified :(
[fo...@localhost tmp]$ java -XX:+UnlockExperimentalVMOptions
-XX:+EnableInvokeDynamic -Xverify:all IndyTest
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00a68ef7, pid=26924, tid=1444720
#
# JRE version: 7.0-b123
# Java VM: Java HotSpot(TM) Server VM (20.0-b04 mixed mode linux-x86 )
# Problematic frame:
# V [libjvm.so+0x32eef7] JavaThread::last_frame()+0xa7
#
# An error report file with more information is saved as:
# /tmp/hs_err_pid26924.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#
Aborted (core dumped)
Rémi
PS: I've put the hotspot error log as attachment
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00a68ef7, pid=26924, tid=1444720
#
# JRE version: 7.0-b123
# Java VM: Java HotSpot(TM) Server VM (20.0-b04 mixed mode linux-x86 )
# Problematic frame:
# V [libjvm.so+0x32eef7] JavaThread::last_frame()+0xa7
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#
--- T H R E A D ---
Current thread (0xf7604400): JavaThread "main" [_thread_in_vm, id=26925,
stack(0x0011,0x00161000)]
siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR),
si_addr=0xfffc
Registers:
EAX=0x, EBX=0x00e7fc1c, ECX=0x0015ff9c, EDX=0x
ESP=0x0015fe24, EBP=0x0015fe48, ESI=0xf7604400, EDI=0x0015ff9c
EIP=0x00a68ef7, EFLAGS=0x00010216, CR2=0xfffc
Top of Stack: (sp=0x0015fe24)
0x0015fe24: 0001 0015fe48 00a68e5e 0015fee4
0x0015fe34: f760476c 00e7fc1c
0x0015fe44: f7604400 0015fff8 00b02eaf 0015ff9c
0x0015fe54: f7604400 f76046dc 00af6834
0x0015fe64: 0015ff4c f7604400 b076662c b076662c
0x0015fe74: 0015ffd4 0015ffb4 0015ff9c 0015fee4
0x0015fe84: 0015ffd8 f760476c 0400 b0766678
0x0015fe94: 000337b8 0010 0015ff70
Instructions: (pc=0x00a68ef7)
0x00a68ed7: 5d c2 04 00 90 8d 74 26 00 8b 96 10 01 00 00 8b
0x00a68ee7: 86 08 01 00 00 89 07 89 47 14 89 57 10 83 ec 0c
0x00a68ef7: 8b 40 fc 89 47 04 50 eb 96 55 89 e5 56 53 e8 00
0x00a68f07: 00 00 00 5b 81 c3 12 6d 41 00 8b 45 10 8b 75 08
Register to memory mapping:
EAX=0x is an unknown value
EBX=0x00e7fc1c: in
/usr/jdk/i586/jdk1.7.0/jre/lib/i386/server/libjvm.so at 0x0073a000
ECX=0x0015ff9c is pointing into the stack for thread: 0xf7604400
EDX=0x is an unknown value
ESP=0x0015fe24 is pointing into the stack for thread: 0xf7604400
EBP=0x0015fe48 is pointing into the stack for thread: 0xf7604400
ESI=0xf7604400 is a thread
EDI=0x0015ff9c is pointing into the stack for thread: 0xf7604400
Stack: [0x0011,0x00161000], sp=0x0015fe24, free space=319k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x32eef7] JavaThread::last_frame()+0xa7
V [libjvm.so+0x3c8eaf] java_lang_Throwable::fill_in_stack_trace(Handle,
Thread*)+0x25f
V [libjvm.so+0x3c95bb] java_lang_Throwable::fill_in_stack_trace(Handle)+0x5b
V [libjvm.so+0x3235f8] Exceptions::throw_stack_overflow_exception(Thread*,
char const*, int)+0xb8
V [libjvm.so+0x3c129b] JavaCalls::call_helper(JavaValue*, methodHandle*,
JavaCallArguments*, Thread*)+0x1cb
V [libjvm.so+0x557239] os::os_exception_wrapper(void (*)(JavaValue*,
methodHandle*, JavaCallArguments*, Thread*), JavaValue*, methodHandle*,
JavaCallArguments*, Thread*)+0x19
V [libjvm.so+0x3c02df] JavaCalls::call(JavaValue*, methodHandle,
JavaCallArguments*, Thread*)+0x2f
V [libjvm.so+0x3cb63a] jni_invoke_static(JNIEnv_*, JavaValue*, _jobject*,
JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*)+0x21a
V [libjvm.so+0x3d1a1a] jni_CallStaticVoidMethod+0xba
C [libjli.so+0x25f0] JavaMain+0x560
C [libpthread.so.0+0x5f19] abort@@GLIBC_2.0+0x5f19
--- P R O C E S S ---
Java Threads: ( => current thread )
0xaf924800 JavaThread "Low Memory Detector" daemon [_thread_blocked,
id=26941, stack(0x02c16000,0x02c67000)]
0xaf922800 JavaThread "C2 CompilerThread1" daemon [_thread_blocked, id=26940,
stack(0x0667,0x066f1000)]
0xaf920800 JavaThread "C2 CompilerThread0" daemon [_thread_blocked, id=26939,
stack(0x0785,0x078d1000)]
0xaf91f000 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=26938,
stack(0x02905000,0x02956000)]
0xaf90c400 JavaThread "Finalizer" daemon [_thread_blocked, id=26937,
stack(0x00588000,0x005d9000)]
0xaf90ac00 JavaThread "Reference Handler" daemon [_thread_blocked, id=26936,
stack(0x
