Steps to reproduce:
1. Launch Mozilla1.2.1_05 on redhat Linux8.0 with jre1.4.2_b18.
2. Open http://www.mozilla.org/quality/browser/front-end/testcases/oji/javatojstest8.html
3. Mozilla crash and error on terminal as following:
 Exception in thread "Thread-2" Exception in thread "Thread-2"
Unexpected Signal : 11 occurred at PC=0x402081C7
Function=(null)+0x402081C7
Library=/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/client/libjvm.so

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.


Current Java thread:
        at sun.plugin.navig.motif.AThread.handleRequest(Native Method)
        at sun.plugin.navig.motif.AThread.JNIHandleLoop(AThread.java:35)
        at sun.plugin.navig.motif.AThread.run(AThread.java:27)

Dynamic libraries:
08048000-0804b000 r-xp 00000000 03:07 423523
/home/haojianwen/jdks/j2sdk1.4.2/jre/bin/java_vm
0804b000-0804c000 rw-p 00002000 03:07 423523
/home/haojianwen/jdks/j2sdk1.4.2/jre/bin/java_vm
40000000-40012000 r-xp 00000000 03:02 794992 /lib/ld-2.2.93.so
40012000-40013000 rw-p 00012000 03:02 794992 /lib/ld-2.2.93.so
40013000-4001b000 r-xp 00000000 03:07 1319340
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/native_threads/libhpi.so
4001b000-4001c000 rw-p 00007000 03:07 1319340
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/native_threads/libhpi.so
4001c000-40020000 rw-s 00000000 03:02 844708 /tmp/hsperfdata_haojianwen/21871
40020000-40023000 r--s 00000000 03:07 244345
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/ext/dnsns.jar
40023000-40030000 r-xp 00000000 03:02 48692 /lib/i686/libpthread-0.10.so
40030000-40033000 rw-p 0000d000 03:02 48692 /lib/i686/libpthread-0.10.so
40054000-40056000 r-xp 00000000 03:02 795005 /lib/libdl-2.2.93.so
40056000-40057000 rw-p 00001000 03:02 795005 /lib/libdl-2.2.93.so
40057000-40464000 r-xp 00000000 03:07 228057
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/client/libjvm.so
40464000-40480000 rw-p 0040c000 03:07 228057
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/client/libjvm.so
40492000-404a4000 r-xp 00000000 03:02 795009 /lib/libnsl-2.2.93.so
404a4000-404a5000 rw-p 00012000 03:02 795009 /lib/libnsl-2.2.93.so
404a7000-404c8000 r-xp 00000000 03:02 48690 /lib/i686/libm-2.2.93.so
404c8000-404c9000 rw-p 00021000 03:02 48690 /lib/i686/libm-2.2.93.so
404c9000-404d6000 r--s 00000000 03:07 244347
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/ext/ldapsec.jar
404d6000-404d7000 r-xp 00000000 03:02 1168224
/usr/X11R6/lib/X11/locale/common/xlcUTF8Load.so.2
404d7000-404d8000 rw-p 00000000 03:02 1168224
/usr/X11R6/lib/X11/locale/common/xlcUTF8Load.so.2
404d9000-404e2000 r-xp 00000000 03:02 795025 /lib/libnss_files-2.2.93.so
404e2000-404e3000 rw-p 00008000 03:02 795025 /lib/libnss_files-2.2.93.so
404e3000-404f3000 r-xp 00000000 03:07 1303063
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libverify.so
404f3000-404f5000 rw-p 0000f000 03:07 1303063
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libverify.so
404f5000-40515000 r-xp 00000000 03:07 1303064
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libjava.so
40515000-40517000 rw-p 0001f000 03:07 1303064
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libjava.so
40517000-4052b000 r-xp 00000000 03:07 1303066
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libzip.so
4052b000-4052e000 rw-p 00013000 03:07 1303066
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libzip.so
4052e000-41eb0000 r--s 00000000 03:07 895883
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/rt.jar
41efa000-41f10000 r--s 00000000 03:07 895856
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/sunrsasign.jar
41f10000-41fea000 r--s 00000000 03:07 895858
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/jsse.jar
41fea000-41ffb000 r--s 00000000 03:07 895857
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/jce.jar
41ffb000-41fff000 r-xp 00000000 03:02 973547 /usr/X11R6/lib/libXtst.so.6.1
41fff000-42000000 rw-p 00004000 03:02 973547 /usr/X11R6/lib/libXtst.so.6.1
42000000-42126000 r-xp 00000000 03:02 48688 /lib/i686/libc-2.2.93.so
42126000-4212b000 rw-p 00126000 03:02 48688 /lib/i686/libc-2.2.93.so
4212f000-42688000 r--s 00000000 03:07 895882
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/charsets.jar
42688000-4285d000 r--s 00000000 03:07 895884
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/plugin.jar
44905000-4490c000 r-xp 00000000 03:02 973537 /usr/X11R6/lib/libXp.so.6.2
4490c000-4490d000 rw-p 00006000 03:02 973537 /usr/X11R6/lib/libXp.so.6.2
4cb13000-4cd13000 r--p 00000000 03:02 470510 /usr/lib/locale/locale-archive
4cd13000-4ce1c000 r--p 00253000 03:02 470510 /usr/lib/locale/locale-archive
4d020000-4d03c000 r--s 00000000 03:07 244344
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/ext/sunjce_provider.jar
4d03c000-4d0f8000 r--s 00000000 03:07 244346
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/ext/localedata.jar
4d0f8000-4d3c3000 r-xp 00000000 03:07 1303075
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libawt.so
4d3c3000-4d3d8000 rw-p 002ca000 03:07 1303075
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libawt.so
4d3fe000-4d451000 r-xp 00000000 03:07 1303074
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libmlib_image.so
4d451000-4d452000 rw-p 00052000 03:07 1303074
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libmlib_image.so
4d452000-4d458000 r--s 00000000 03:02 1217003 /usr/lib/gconv/gconv-modules.cache
4d458000-4d461000 r-xp 00000000 03:02 1168227
/usr/X11R6/lib/X11/locale/common/xomGeneric.so.2
4d461000-4d462000 rw-p 00008000 03:02 1168227
/usr/X11R6/lib/X11/locale/common/xomGeneric.so.2
4d462000-4d4b0000 r-xp 00000000 03:02 973545 /usr/X11R6/lib/libXt.so.6.0
4d4b0000-4d4b4000 rw-p 0004d000 03:02 973545 /usr/X11R6/lib/libXt.so.6.0
4d4b4000-4d4c1000 r-xp 00000000 03:02 973525 /usr/X11R6/lib/libXext.so.6.4
4d4c1000-4d4c2000 rw-p 0000c000 03:02 973525 /usr/X11R6/lib/libXext.so.6.4
4d4c2000-4d59d000 r-xp 00000000 03:02 973517 /usr/X11R6/lib/libX11.so.6.2
4d59d000-4d5a0000 rw-p 000da000 03:02 973517 /usr/X11R6/lib/libX11.so.6.2
4d5a0000-4d5a8000 r-xp 00000000 03:02 973515 /usr/X11R6/lib/libSM.so.6.0
4d5a8000-4d5a9000 rw-p 00007000 03:02 973515 /usr/X11R6/lib/libSM.so.6.0
4d5a9000-4d5bd000 r-xp 00000000 03:02 973511 /usr/X11R6/lib/libICE.so.6.3
4d5bd000-4d5be000 rw-p 00013000 03:02 973511 /usr/X11R6/lib/libICE.so.6.3
4d5c0000-4d5d2000 r-xp 00000000 03:07 1303087
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libjavaplugin_jni.so
4d5d2000-4d5d4000 rw-p 00011000 03:07 1303087
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libjavaplugin_jni.so
4d5e8000-4d6a2000 r-xp 00000000 03:07 1303077
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libfontmanager.so
4d6a2000-4d6bc000 rw-p 000b9000 03:07 1303077
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libfontmanager.so
4d6bd000-4d6e9000 r-xp 00000000 03:02 1216859 /usr/lib/gconv/GB18030.so
4d6e9000-4d6ea000 rw-p 0002b000 03:02 1216859 /usr/lib/gconv/GB18030.so
4d6ea000-4d706000 r-xp 00000000 03:02 1168222
/usr/X11R6/lib/X11/locale/common/ximcp.so.2
4d706000-4d708000 rw-p 0001b000 03:02 1168222
/usr/X11R6/lib/X11/locale/common/ximcp.so.2
4dc93000-4dcae000 r-xp 00000000 03:07 1303073
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libdcpr.so
4dcae000-4dcc1000 rw-p 0001a000 03:07 1303073
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libdcpr.so
4dcc1000-4dcd1000 r-xp 00000000 03:07 1303069
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libnet.so
4dcd1000-4dcd2000 rw-p 0000f000 03:07 1303069
/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/libnet.so
4dcd2000-4dcde000 rw-s 00000000 00:04 20840467 /SYSV00000000 (deleted)
4dcee000-4dcf9000 r-xp 00000000 03:02 795033 /lib/libnss_nisplus-2.2.93.so
4dcf9000-4dcfa000 rw-p 0000a000 03:02 795033 /lib/libnss_nisplus-2.2.93.so
4dcfa000-4dcfd000 r-xp 00000000 03:02 795022 /lib/libnss_dns-2.2.93.so
4dcfd000-4dcfe000 rw-p 00002000 03:02 795022 /lib/libnss_dns-2.2.93.so
4dcfe000-4dd0d000 r-xp 00000000 03:02 795037 /lib/libresolv-2.2.93.so
4dd0d000-4dd0e000 rw-p 0000e000 03:02 795037 /lib/libresolv-2.2.93.so

Heap at VM Abort:
Heap
 def new generation total 576K, used 553K [0x44910000, 0x449b0000, 0x44df0000)
  eden space 512K, 99% used [0x44910000, 0x4498ffc0, 0x44990000)
  from space 64K, 64% used [0x449a0000, 0x449aa5e8, 0x449b0000)
  to space 64K, 0% used [0x44990000, 0x44990000, 0x449a0000)
 tenured generation total 1408K, used 1198K [0x44df0000, 0x44f50000, 0x48910000)
   the space 1408K, 85% used [0x44df0000, 0x44f1ba48, 0x44f1bc00, 0x44f50000)
 compacting perm gen total 7424K, used 7338K [0x48910000, 0x49050000, 0x4c910000)
   the space 7424K, 98% used [0x48910000, 0x4903aa78, 0x4903ac00, 0x49050000)

Local Time = Mon Mar 17 10:47:44 2003
Elapsed Time = 669
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002EF
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Client VM (1.4.2-beta-b18 mixed mode)
#
# An error report file has been saved as hs_err_pid21871.log.
# Please refer to the file for further information.
#
INTERNAL ERROR on Browser End: Plugin instance index out of bounds -65

System error?:: Success
[haojianwen@baseman mozilla]$ ./mozilla -debug
Exception in thread "Thread-2" Exception in thread "Thread-2"
Unexpected Signal : 11 occurred at PC=0x402081C7
Function=(null)+0x402081C7
Library=/home/haojianwen/jdks/j2sdk1.4.2/jre/lib/i386/client/libjvm.so


Name: jl125535 Date: 04/04/2003


To reproduce the failure. load the following HTML file in Netscape ((Mozilla 1.3 beta or Netscape 7.02)) on Linux with the Java plugin installed:

<html>
<script>
var x=new java.net.ServerSocket(1234);
alert(x);
</script>
</html>

(company - Netscape , email - ###@###.###)

The above comments are just for reference in case this issue ever arises again.

###@###.### 2003-04-04
(Review ID: 181282)
======================================================================