Customer is issuing core files on JDK 1.5.0_14 64bit on an AMD machine with RedHat AS 4.0 installed on.
I received the hs_err.<pid>.log file and once parse I see that:

| *Warning: */Can't find "/opt/app/ecomm/java/jdk1.5.0_14-64/jre/lib/amd64/server/libjvm.so"; using 
"/java/re/jdk/1.5.0_14/promoted/fcs/b03/binaries/linux-amd64/jre/lib/amd64/server/libjvm.so"
/ #
# An unexpected error has been detected by HotSpot Virtual Machine:
#
#  Internal Error (4E4D4554484F440E4350500529), pid=30567, tid=1203267936
Error ID is nmethod.cpp, 1321
#
# Java VM: Java HotSpot(TM) 64-Bit Server VM (1.5.0_14-b03 mixed mode)

---------------  T H R E A D  ---------------

Current thread (0x0000002ac9081190):  JavaThread "datasource.peer(-1)" [_thread_in_Java, id=30720]

Stack: [0x0000000047a86000,0x0000000047b87000),  sp=0x0000000047b85310,  free space=1020k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x6619d1] _ZN7VMError14report_and_dieEv+0x1b1
V  [libjvm.so+0x2e0a66] _Z12report_fatalPKciS0_+0x46
V  [libjvm.so+0x5561d8] _ZN7nmethod35continuation_for_implicit_exceptionEPh+0x78
V  [libjvm.so+0x5d3499] _ZN13SharedRuntime35continuation_for_implicit_exceptionEP10JavaThreadPhNS_21ImplicitExceptionKindE+0x359
V  [libjvm.so+0x56b726] JVM_handle_linux_signal+0x366
V  [libjvm.so+0x56916e] _Z13signalHandleriP7siginfoPv+0xe

Demangled version:

V [libjvm.so+0x6619d1] VMError::report_and_die()+0x1b1
V [libjvm.so+0x2e0a66] report_fatal(const char*, int, const char*)+0x46
V [libjvm.so+0x5561d8] nmethod::continuation_for_implicit_exception(unsigned char*)+0x78
V [libjvm.so+0x5d3499] SharedRuntime::continuation_for_implicit_exception(JavaThread*, unsigned char*, SharedRuntime::ImplicitExceptionKind)+0x359
V [libjvm.so+0x56b726] JVM_handle_linux_signal+0x366
V [libjvm.so+0x56916e] signalHandler(int, siginfo*, void*)+0xe

JVM options:

VM Arguments:
jvm_args: -Xms512m -Xmx512m -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 -verbose:gc -XX:+PrintTenuringDistribution -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Xloggc:/ecomm/digisales/gcm-fxstream-prod/rates/current/bin/../../logs/fxstream_rate_server.gclog -DpropertyURL=file:////ecomm/digisales/gcm-fxstream-prod/rates/current/bin/../config/fxstream_rates_server.xml -Dbasedir=/ecomm/digisales/gcm-fxstream-prod/rates/current/bin/..
java_command: com.rbsfm.common.system.ControlServer
Launcher Type: SUN_STANDARD

Environment Variables:
JAVA_HOME=/ecomm/java/current
CLASSPATH=/opt/tibco/rv/lib/tibrvj.jar::../config:../classes:../lib/codeworks.jar:../lib/fxstream.jar:../lib/mail.jar:../lib/thirdparty.jar:../lib/tie_rv.jar
PATH=/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:/opt/tibco/rv/bin
LD_LIBRARY_PATH=/opt/app/ecomm/java/jdk1.5.0_14-64/jre/lib/amd64/server:/opt/app/ecomm/java/jdk1.5.0_14-64/jre/lib/amd64:/opt/app/ecomm/java/jdk1.5.0_14-64/jre/../lib/amd64::/opt/tibco/rv/lib
SHELL=/bin/csh
HOSTTYPE=x86_64-linux
OSTYPE=linux
MACHTYPE=x86_64 

Architecture:

---------------  S Y S T E M  ---------------

OS:Red Hat Enterprise Linux AS release 4 (Nahant Update 4)

uname:Linux 2.6.9-42.0.3.ELsmp #1 SMP Mon Sep 25 17:24:31 EDT 2006 x86_64
libc:glibc 2.3.4 NPTL 2.3.4
rlimit: STACK 10240k, CORE infinity, NPROC 278527, NOFILE 1024, AS infinity
load average:0.07 0.06 0.01

CPU:total 8 amd64 3dnow ht

Memory: 4k page, physical 32893496k(26433664k free), swap 8385920k(8385920k free)

vm_info: Java HotSpot(TM) 64-Bit Server VM (1.5.0_14-b03) for linux-amd64, built on Oct  5 2007 00:45:04 by uucp with gcc 3.2.2 (SuSE Linux)|

Core file and libs available at:

/net/rangdo.uk/export/calls/38016394

Please also see bug:

6647102