A crash occurs with 1.3.1_09 on Solaris 8.

% cat hs_err_pid1947.log

Unexpected Signal : 11 occurred at PC=0xfeccd4ac
Function name=JVM_ArrayCopy
Library=/usr/j2se/jre/lib/sparc/server/libjvm.so

Current Java thread:

Dynamic libraries:
0x10000 /usr/j2se/bin/../bin/sparc/native_threads/java
0xff360000 /usr/lib/lwp/libthread.so.1
0xff390000 /usr/lib/libdl.so.1
0xff280000 /usr/lib/libc.so.1
0xff350000 /usr/platform/SUNW,Sun-Fire/lib/libc_psr.so.1
0xfec00000 /usr/j2se/jre/lib/sparc/server/libjvm.so
0xff220000 /usr/lib/libCrun.so.1
0xff200000 /usr/lib/libsocket.so.1
0xfeb00000 /usr/lib/libnsl.so.1
0xff1b0000 /usr/lib/libm.so.1
0xff260000 /usr/lib/libw.so.1
0xff180000 /usr/lib/libmp.so.2
0xfebe0000 /usr/lib/librt.so.1
0xfebc0000 /usr/lib/libaio.so.1
0xfeab0000 /usr/j2se/jre/lib/sparc/native_threads/libhpi.so
0xfea80000 /usr/j2se/jre/lib/sparc/libverify.so
0xfea40000 /usr/j2se/jre/lib/sparc/libjava.so
0xfea10000 /usr/j2se/jre/lib/sparc/libzip.so
0xfe990000 /usr/lib/locale/ja_JP.PCK/ja_JP.PCK.so.2
0xfe970000 /usr/lib/locale/ja_JP.PCK/methods_ja_JP.PCK.so.2
0xfd840000 /usr/j2se/jre/lib/sparc/libnet.so
0xfb7a0000 /opt/wls/70J_sp2/server/lib/solaris/libfilelock.so
0xfb690000 /usr/j2se/jre/lib/sparc/libioser12.so
0xa9480000 /opt/wls/70J_sp2/server/lib/solaris/oci920_8/libweblogicoci38.so
0xa8800000 /opt/app/oracle/product/9.2.0.1.0/lib32/libclntsh.so.9.0
0xb9d10000 /usr/lib/libC.so.5
0xba4a0000 /opt/app/oracle/product/9.2.0.1.0/lib32/libwtc9.so
0xb9fe0000 /usr/lib/libgen.so.1
0xb9fc0000 /usr/lib/libsched.so.1
0xb9ce0000 /usr/lib/nss_files.so.1
0xb9cc0000 /opt/wls/70J_sp2/server/lib/solaris/libstackdump.so
0xb77e0000 /usr/lib/libmd5.so.1
0xb76e0000 /opt/wls/70J_sp2/server/lib/solaris/libmuxer.so
0xb75e0000 /usr/ucblib/libucb.so.1
0xb74b0000 /usr/lib/libresolv.so.2
0xb6fc0000 /usr/lib/libelf.so.1

Local Time = Fri Nov 21 06:00:25 2003
Elapsed Time = 420
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_09-b03 mixed mode)
#

The meaning of the ErrorID is "os.cpp, 701".
But it is not really helpful in this case, as the same errorid appears in a lot of cases and the SIGnal is unknown. Probably caused by a memory corruption.

The thread of interest is listed in the following pstack, demangled:

% cat pstack.core*
core 'core.hs_err_pid1947' of 1947: /usr/j2se/bin/../bin/sparc/native_threads/java -server -Xms768m -Xmx76
----------------- lwp# 9 / thread# 9 --------------------
 ff31efd0 _lwp_kill (6, 0, 0, ffffffff, ff3403bc, 0) + 8
 ff2b595c abort (ff33c000, ba87e350, 0, 4, 0, ba87e371) + 100
 fefc98e4 void os::abort(long) (1, ff0cc020, 1, ba87e3d0, 0, feccd4ac) + b8
 fefc8730 void os::handle_unexpected_exception(Thread*,int,unsigned char*,void*) (ff3402ac, ff13cb50, ff0e0204, ff074254, ff0cc020, ba87e3f0) + 254
 fee0aefc JVM_handle_solaris_signal (0, 1352b8, ba87eea0, ff0cc020, b, ba87f158) + 90c
 ff374cc8 __sighndlr (b, ba87f158, ba87eea0, fee0af14, 0, 0) + c
 ff36fb00 call_user_handler (ff170e00, 9, ff3878e0, ba87eea0, ba87f158, b) + 254
 ff36fccc sigacthandler (ff170e00, ba87f158, ba87eea0, ff386000, ba87f158, b) + 64
 --- called from signal handler with signal -15266304 (SIG Unknown) ---
 feccd4ac oopDesc*ciObject::get_oop()const (ff0cc020, ff0e2a1c, 1352b8, f92cc, 12473a2c, 123f84b8) + 8
 fed851e4 const Type*CheckTypeNode::Value(PhaseTransform*)const (12473a2c, f92cc, ff13e4c8, ff130f3c, ff0cc020, f391d9c) + 1dc
 fecc0f9c Node*PhaseGVN::transform(Node*) (ba87f864, 123f85a8, 123f85a8, ba87f864, 123f85a8, 358637bd) + 60
 fedee038 void Parse::array_store_check(int) (123f8504, 123f8528, 1, ba87f5dc, 123f8440, ff0cc020) + 7e4
 feced524 void Parse::do_one_bytecode(Bytecodes::Code,ciByteCodeStream&,unsigned) (0, 0, ba87f4b8, 0, ba87f5dc, ff0cc020) + 2724
 fed548fc void Parse::Init(InlineTree*,JVMStateObj*,JVMStateObj*,int,int,Node*,unsigned,long) (42b, ba87f5dc, f3539ec, ff0cc020, 78fc48, ba87f4b8) + af0
 fedc8f84 Parse::Parse #Nvariant 1(ciEnv*,InlineTree*,PhaseGVN&,OSRParseInfo*,Unique_Node_List&) (ba87f5dc, ba87fd84, f350fa4, ba87f864, 0, ba87f664) + 68
 fedcbb4c Compile::Compile(ciEnv*,ciScope*,ciMethod*,int,long,long) (f350fa4, ba87fa88, 252314, ff12d8a4, ba87fb28, ba87fb38) + 7a0
 fedc77d0 void C2Compiler::compile_method(ciEnv*,ciScope*,ciMethod*,int,long) (27780, ba87fd84, 252314, 252228, ffffffff, 1) + 70
 fedc7dd4 void CompileBroker::invoke_compiler_on_method(CompileTask*) (252228, 252314, ff0eef18, 0, 0, 407) + 40c
 fee82b28 void CompileBroker::compiler_thread_loop() (28488, 1352b8, ff0cc020, ba87ffa0, ff0cc020, ffffffff) + 168
 fee167d8 void JavaThread::run() (ba680000, ff0d7e64, ff0cc020, 200000, 1352b8, 200000) + 3d8
 fee1450c _start (ff0cc020, ff170e00, 0, 0, 0, 0) + 20
 ff374970 _lwp_start (0, 0, 0, 0, 0, 0)
----------------- lwp# 10 / thread# 10 --------------------
[--snip--]

In my opinion it looks like a C2 (server) compilation error.