While trying to load an url, appletviewer core dumped.
Machine details:

issac[vivek]511: uname -a
SunOS issac 5.5.1 BETA_REFRESH sun4u sparc SUNW,Ultra-1

Core dump detail:


issac[vivek]508: !! http://whirligig.ecs.soton.ac.uk/~lro93/JAVA/HANDS3/
appletviewer http://whirligig.ecs.soton.ac.uk/~lro93/JAVA/HANDS3/
SIGSEGV 11* segmentation violation
    si_signo [11]: SIGSEGV 11* segmentation violation
    si_errno [0]: Error 0
    si_code [1]: SEGV_ACCERR [addr: 0xef770000]
 
        stackbase=EFFFF844, stackpointer=EFFFD150
 
Full thread dump:
    "thread applet-Hands.class" (TID:0xee701e90, sys_thread_t:0xee3c1de0) prio=6
        java.lang.Object.wait(Object.java)
        sun.applet.AppletPanel.getNextEvent(AppletPanel.java:154)
        sun.applet.AppletPanel.run(AppletPanel.java:174)
        java.lang.Thread.run(Thread.java)
    "Finalizer thread" (TID:0xee700370, sys_thread_t:0xee3f1de0) prio=1
    "Async Garbage Collector" (TID:0xee700318, sys_thread_t:0xef441de0) prio=1
    "Idle thread" (TID:0xee7002a0, sys_thread_t:0xef471de0) prio=0
    "clock handler" (TID:0xee7001f8, sys_thread_t:0xef551de0) prio=11
    "main" (TID:0xee7000a0, sys_thread_t:0x7da50) prio=5 *current thread*
        java.lang.Runtime.loadLibrary(Runtime.java)
        java.lang.System.loadLibrary(System.java)
        sun.awt.motif.MToolkit.<clinit>(MToolkit.java:35)
        java.awt.Toolkit.getDefaultToolkit(Toolkit.java:190)
        java.awt.Window.getToolkit(Window.java:139)
        java.awt.Frame.addNotify(Frame.java:82)
        java.awt.Window.pack(Window.java:80)
        sun.applet.AppletViewer.<init>(AppletViewer.java:113)
        sun.applet.AppletViewer.parse(AppletViewer.java:681)
        sun.applet.AppletViewer.main(AppletViewer.java:783)
Monitor Cache Dump:
    unknown key (key=0xef441de0): monitor owner: "Async Garbage Collector"
    java.lang.Runtime@EE700EE0/EE735DC8 (key=0xee700ee0): monitor owner: "main"
    unknown key (key=0xc4f98): monitor owner: "main"
    sun.applet.AppletViewerPanel@EE701980/EE73BA08 (key=0xee701980): unowned
        Waiting to be notified:
            "thread applet-Hands.class"
    java.lang.Class@EE702128/C42A0 (key=0xee702128): monitor owner: "main"
    sun.applet.AppletViewer@EE700E88/EE73AFA8 (key=0xee700e88): monitor owner: "main"
Registered Monitor Dump:
    Finalize me queue lock: unowned
        Waiting to be notified:
            "Finalizer thread"
    Thread queue lock: unowned
    Class lock: unowned
    Java stack lock: unowned
    Code rewrite lock: unowned
    Heap lock: unowned
    Has finalization queue lock: unowned
    Monitor IO lock: unowned
    Child death monitor: unowned
    Event monitor: unowned
    I/O monitor: unowned
    Alarm monitor: unowned
        Waiting to be notified:
            "clock handler"
    Sbrk lock: unowned
    Monitor cache lock: unowned
    Monitor registry: monitor owner: "main"
Thread Alarm Q:
Abort (core dumped)


The next attempt to load succeeded. The core will be stored in
/net/elmer/export/bugtraq/etc/attached/`this_bugid` in compressed form


[Tim, 7/31/96:] I looked at this core file and got the following dump. My dbx
seems to think that the core is somewhat corrupted. The dump:

program terminated by signal ABRT (Abort)
(dbx) where
=>[1] _tsdalloc(0xb, 0xefffd4b0, 0xefffd1f8, 0x0, 0x0, 0x1), at 0xef5f3bb0
  [2] getitimer(0xb, 0xefffd4b0, 0xefffd1f8, 0x1fff, 0xef7f9434, 0x2000), at 0xef5b8838
  [3] list_append(0x7, 0x4000, 0xee38d5f8, 0x35f8, 0xef770054, 0xee38e000), at 0xef7d8b90
  [4] readenv(0x3e000, 0x3b09c, 0xef770054, 0xef770034, 0x3, 0x2000), at 0xef7d916c
  [5] _rt_mutex_unlock(0xef7f93f0, 0xefffd8e8, 0x0, 0xef7f9420, 0xef7f954c, 0x0), at 0xef7d7994
  [6] elf_obj_init(0xefffd8e8, 0xef7fa5ec, 0xefffd824, 0xef7fbc78, 0x1, 0xef7fbc78), at 0xef7dd0c8
  [7] plt_cg_interp(0xefffd8e8, 0x1, 0x361f0, 0xefffd824, 0xef7fa5ec, 0xefffd8e8), at 0xef7dcf40
  [8] remap_profile(0xefffd8e8, 0x1, 0x3a, 0x0, 0x6e65742e, 0x0), at 0xef7dcd1c
  [9] sysAddDLSegment(0xefffd8e8, 0x505c0, 0x10, 0x2, 0xee73c4a0, 0x69d38), at 0x361f0
  [10] java_lang_Runtime_loadFileInternal(0xee700ee0, 0xee7023d0, 0xee702218, 0x0, 0x56270, 0x2), at 0x3266c
  [11] Java_java_lang_Runtime_loadFileInternal_stub(0x5acec, 0x5acf0, 0x0, 0x0, 0xfffffff9, 0x1), at 0x23f0c
  [12] invokeNativeMethod(0x5acec, 0x98cd4, 0x5acc4, 0xeffff7ec, 0xee700ee0, 0x5acc4), at 0x22ab0
  [13] ExecuteJava(0xeffff7fc, 0x5acec, 0x5acb0, 0xffff, 0x5acc4, 0x5acdc), at 0x2d9bc
  [14] do_execute_java_method_vararg(0x0, 0xc9727, 0x5abfc, 0x5ac34, 0x5ac5c, 0xc4f98), at 0x2a070
  [15] do_execute_java_method(0xeffff7ec, 0xc4f98, 0x0, 0x0, 0xca5e0, 0x1), at 0x29a9c
  [16] RunStaticInitializers(0xeffff7ec, 0xca5e0, 0x29, 0xca62c, 0xc4f98, 0xc6ea4), at 0x22d98
  [17] RuntimeInitClass(0x0, 0xc4f98, 0x29, 0xc4ee4, 0x29, 0x2d), at 0x1ecc8
  [18] Locked_ResolveClass(0xc4f98, 0xefffe824, 0xfc00, 0xc42a0, 0xc4f98, 0x1), at 0x222e8
  [19] ResolveClass(0xc4f98, 0xefffe824, 0x0, 0x6a6176, 0x697400a4, 0x6974006a), at 0x21f40
  [20] FindLoadedClass(0xefffe8e8, 0x1, 0x0, 0xa2810, 0x0, 0xc4f98), at 0x22414
  [21] FindClassFromClass(0xeffff7ec, 0xefffe8e8, 0x1, 0xc42a0, 0xee73c128, 0x2), at 0x22648
  [22] java_lang_Class_forName(0x0, 0xee7021b8, 0x0, 0x0, 0xfffffff9, 0x1), at 0x1e600
  [23] Java_java_lang_Class_forName_stub(0x5ac24, 0xeffff7ec, 0x57ad8, 0xeffff7ec, 0x400, 0x1), at 0x23514
  [24] invokeNativeMethod(0x5ac24, 0x69acc, 0x5abfc, 0xeffff7ec, 0xee700098, 0x5ad40), at 0x22ab0
  [25] ExecuteJava(0xeffff7fc, 0x5ac20, 0x5abf8, 0xffff, 0x5abfc, 0x5ac14), at 0x2d9bc
  [26] do_execute_java_method_vararg(0x0, 0x87d0a, 0x0, 0x5aa8c, 0x5aab4, 0x81a88), at 0x2a070
  [27] do_execute_java_method(0xeffff7ec, 0x81a88, 0x0, 0x0, 0x88898, 0x1), at 0x29a9c
  [28] start_java(0x81a88, 0x1, 0xeffff864, 0x88898, 0xeffff868, 0xeffff996), at 0x308ac
(dbx)