Using JDK1.2.2-U with ICEmail 2.7 on Windows NT, if you don't configure where the local manual is, and then select Local Manual from the Help directory, ICEmail crashes. This does not occur which running with jdk1.1.7B or Kestrel.
Part of the Dr. Watson log is below, the rest is attached.

To Reproduce:
1) get icemail 2.7 from: http://www.ice.com/java/icemail/
2) run icemail with jdk1.2.2
3) select "Local Manual" from the Help menu. (don't configure its location).
RESULT: The app crash giving a Dr. Watson app crashed window and the follow Dr. Watson log is created (also see attached file):

Microsoft (R) Windows NT (TM) Version 4.00 DrWtsn32
Copyright (C) 1985-1996 Microsoft Corp. All rights reserved.

Application exception occurred:
        App: java.exe (pid=173)
        When: 4/15/1999 @ 17:36:57.338
        Exception number: c00000fd (stack overflow)

*----> System Information <----*
        Computer Name: NANCYS
        User Name: nancys
        Number of Processors: 1
        Processor Type: x86 Family 6 Model 5 Stepping 1
        Windows Version: 4.0
        Current Build: 1381
        Current Type: Uniprocessor Free
        Registered Organization: Sun Microsystems
        Registered Owner: JavaSoft

*----> Task List <----*
   0 Idle.exe
   2 System.exe
  27 smss.exe
  41 csrss.exe
  30 winlogon.exe
  47 services.exe
  50 lsass.exe
  78 spoolss.exe
  96 mgasc.exe
 100 RpcSs.exe
 103 mgactrl.exe
 107 tcpsvcs.exe
 111 SUNWNFSDNT.exe
 117 pstores.exe
  63 sunwamdnt.exe
 132 nddeagnt.exe
 138 Explorer.exe
 141 MGAQDESK.exe
  35 MGAHOOK.exe
  72 loadwc.exe
  53 FINDFAST.exe
 128 OSA.exe
 142 ddhelp.exe
 187 cmd.exe
  91 ntvdm.exe
 173 java.exe
 156 drwtsn32.exe
   0 _Total.exe

(00400000 - 0040a000) java.exe
(77f60000 - 77fbc000) dll\ntdll.dbg
(77dc0000 - 77dfe000) dll\advapi32.dbg
(77f00000 - 77f5e000) dll\kernel32.dbg
(77e70000 - 77ec4000) dll\user32.dbg
(77ed0000 - 77efc000) dll\gdi32.dbg
(77e10000 - 77e62000) dll\rpcrt4.dbg
(78000000 - 78040000)
(50490000 - 504f9000) jvm.dll
(50000000 - 5000a000) hpi.dll
(77fd0000 - 77ffa000) dll\winmm.dbg
(50030000 - 5005e000) java.dll
(77c40000 - 77d7c000) dll\shell32.dbg
(71030000 - 710a3000) COMCTL32.dbg
(50010000 - 50025000) zip.dll
(5f810000 - 5f817000) dll\rpcltc1.dbg
(77720000 - 77731000) dll\mpr.dbg
(06000000 - 06017000) .\Release/sunwnpnt.dll
(08000000 - 08000000)
(07000000 - 07056000) .\Release/sunwnsl.dll
(776d0000 - 776d8000) dll\wsock32.dbg
(776b0000 - 776c2000) dll\ws2_32.dbg
(776a0000 - 776a6000) dll\ws2help.dbg
(779d0000 - 779d0000)
(780a0000 - 780a0000)
(10000000 - 10000000)
(05170000 - 05170000)
(77800000 - 7783a000) dll\netapi32.dbg
(77840000 - 77849000) dll\NetRap.dbg
(777e0000 - 777ed000) dll\samlib.dbg
(777f0000 - 777fc000) dll\ntlanman.dbg
(77890000 - 778a3000) dll\netui0.dbg
(77850000 - 7788a000) dll\netui1.dbg
(50210000 - 50364000) awt.dll
(77d80000 - 77db2000) dll\comdlg32.dbg
(76ab0000 - 76ab5000) dll\imm32.dbg
(77b20000 - 77bd2000) dll\ole32.dbg
(50370000 - 503c7000) fontmanager.dll
(77780000 - 77786000) dll\msidle.dbg
(77130000 - 77156000) dll\ddraw.dbg

State Dump for Thread Id 0x4a

eax=00000000 ebx=00000000 ecx=0099faa0 edx=00000000 esi=000002d8 edi=00000000
eip=77f681ab esp=0012fec4 ebp=0012fee8 iopl=0 nv up ei pl zr na po nc
cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00000246


function: NtWaitForSingleObject
        77f681a0 b8c5000000 mov eax,0xc5
        77f681a5 8d542404 lea edx,[esp+0x4] ss:0104e8cb=????????
        77f681a9 cd2e int 2e
        77f681ab c20c00 ret 0xc
        77f681ae 8bc0 mov eax,eax

*----> Stack Back Trace <----*

FramePtr ReturnAd Param#1 Param#2 Param#3 Param#4 Function Name
0012fee8 77f04f85 000002d8 ffffffff 00000000 50001c6b ntdll!NtWaitForSingleObject
00000001 00000000 00000000 00000000 00000000 00000000 kernel32!WaitForSingleObject

*----> Raw Stack Dump <----*
0012fec4 ba c5 f1 77 d8 02 00 00 - 00 00 00 00 00 00 00 00 ...w............
0012fed4 50 11 7d 00 a0 fa 99 00 - ff ff ff ff f0 7e 8f 01 P.}..........~..
0012fee4 e8 17 7d 00 01 00 00 00 - 85 4f f0 77 d8 02 00 00 ..}......O.w....
0012fef4 ff ff ff ff 00 00 00 00 - 6b 1c 00 50 d8 02 00 00 ........k..P....
0012ff04 ff ff ff ff 01 00 00 00 - a0 fa 99 00 00 00 00 00 ................
0012ff14 e7 14 49 50 95 de 4c 50 - a0 fa 99 00 50 11 7d 00 ..IP..LP....P.}.
0012ff24 ff ff ff ff ff ff ff ff - 20 fa 99 00 f0 7e 8f 01 ........ ....~..
0012ff34 75 e3 4a 50 98 12 7c 00 - e0 5e e3 04 60 15 40 00 u.JP..|..^..`.@.
0012ff44 20 fa 99 00 b0 55 fa 77 - ca c1 f6 77 c0 ff 12 00 ....U.w...w....
0012ff54 00 f0 fd 7f a0 11 7d 00 - c4 09 7d 00 00 00 00 00 ......}...}.....
0012ff64 00 00 00 00 8c a6 4e 50 - e7 14 49 50 4f 11 49 50 ......NP..IPO.IP
0012ff74 af 2f 40 00 00 00 00 00 - 44 0a 7d 00 a0 01 7d 00 ./@.....D.}...}.
0012ff84 b0 55 fa 77 ca c1 f6 77 - 00 f0 fd 7f 48 a7 10 80 .U.w...w....H...
0012ff94 30 0a 7d 00 00 00 00 00 - 46 02 00 00 a0 01 7d 00 0.}.....F.....}.
0012ffa4 05 00 00 00 84 ff 12 00 - 40 92 6c 80 e0 ff 12 00 ........@.l.....
0012ffb4 d0 30 40 00 58 50 40 00 - 00 00 00 00 f0 ff 12 00 .0@.XP@.........
0012ffc4 04 b3 f1 77 b0 55 fa 77 - ca c1 f6 77 00 f0 fd 7f ...w.U.w...w....
0012ffd4 00 f0 fd 7f c8 ff 12 00 - a2 4b f6 77 ff ff ff ff .........K.w....
0012ffe4 48 b0 f3 77 10 d2 f3 77 - 00 00 00 00 00 00 00 00 H..w...w........
0012fff4 00 00 00 00 b0 2e 40 00 - 00 00 00 00 00 00 00 00 ......@.........

State Dump for Thread Id 0x9d

eax=780037c5 ebx=00000000 ecx=007d11a0 edx=00000000 esi=00000078 edi=00000000
eip=77f681ab esp=04f6ff18 ebp=04f6ff3c iopl=0 nv up ei pl zr na po nc
cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00000246


function: NtWaitForSingleObject
        77f681a0 b8c5000000 mov eax,0xc5
        77f681a5 8d542404 lea edx,[esp+0x4] ss:05e8e91f=????????
        77f681a9 cd2e int 2e
        77f681ab c20c00 ret 0xc
        77f681ae 8bc0 mov eax,eax