JWS dumped core on me. Here's what it said on the way down:

SIGSEGV 11* segmentation violation
    si_signo [11]: SIGSEGV 11* segmentation violation
    si_errno [0]: Error 0
    si_code [1]: SEGV_MAPERR [addr: 0x0]

        stackbase=EDA72000, stackpointer=EDA6FE58

Full thread dump:
    "Thread-420" (TID:0xee317a70, sys_thread_t:0xeda71de0, state:R) prio=5 *current thread*
        java.util.Hashtable.<init>(Compiled Code)
        java.util.Hashtable.<init>(Compiled Code)
        sun.jws.base.ClassMap.updateClassInfo(Compiled Code)
        sun.jws.base.ClassMap.cache(Compiled Code)
        sun.jws.base.ClassMap.openForWrite(Compiled Code)
        sun.jws.build.ClassMapUtil.create(Compiled Code)
        sun.jws.build.ClassMapUtil.access(Compiled Code)
        sun.jws.build.Translator_java.build(Compiled Code)
        sun.jws.build.Agenda.build(Compiled Code)
        sun.jws.build.Translator_prj.buildSubprojects(Compiled Code)
        sun.jws.build.Translator_prj.build(Compiled Code)
        sun.jws.build.Agenda.build(Compiled Code)
        sun.jws.build.Translator_prj.buildSubprojects(Compiled Code)
        sun.jws.build.Translator_prj.build(Compiled Code)
        sun.jws.build.Agenda.build(Compiled Code)
        sun.jws.build.Translator_prj.buildSubprojects(Compiled Code)
        sun.jws.build.Translator_prj.build(Compiled Code)
        sun.jws.build.Agenda.build(Compiled Code)
        sun.jws.build.Translator_prj.buildSubprojects(Compiled Code)
        sun.jws.build.Translator_prj.build(Compiled Code)
    "AWT-Finalizer" (TID:0xee2aecf0, sys_thread_t:0xedc31de0, state:CW) prio=9
        java.lang.Object.wait(Compiled Code)
        sun.awt.AWTFinalizer.run(Compiled Code)
    "process reaper" (TID:0xee299688, sys_thread_t:0xedb51de0, state:CW) prio=5
        java.lang.Thread.run(Compiled Code)
    "Screen Updater" (TID:0xee267320, sys_thread_t:0xedd11de0, state:CW) prio=4
        java.lang.Object.wait(Compiled Code)
        sun.awt.ScreenUpdater.nextEntry(Compiled Code)
        sun.awt.ScreenUpdater.run(Compiled Code)
    "AWT-Motif" (TID:0xee264d80, sys_thread_t:0xeddf1de0, state:CW) prio=5
        java.lang.Thread.run(Compiled Code)
    "AWT-Input" (TID:0xee264d60, sys_thread_t:0xef071de0, state:CW) prio=5
    "AWT-EventQueue-0" (TID:0xee264d30, sys_thread_t:0xef0e1de0, state:CW) prio=5
        java.lang.Object.wait(Compiled Code)
        java.awt.EventQueue.getNextEvent(Compiled Code)
        java.awt.EventDispatchThread.run(Compiled Code)
    "Finalizer thread" (TID:0xee2321d8, sys_thread_t:0xef281de0, state:CW) prio=1
    "Idle thread" (TID:0xee232190, sys_thread_t:0xef2f1de0, state:R) prio=0
    "Clock" (TID:0xee2320d0, sys_thread_t:0xef3f1de0, state:CW) prio=12
    "main" (TID:0xee2320a8, sys_thread_t:0x6d728, state:CW) prio=5
Monitor Cache Dump:
    sun.awt.motif.MToolkit@EE264C90/EE41F220: <unowned>
        Waiting to be notified:
            "AWT-Motif"
    sun.awt.ScreenUpdater@EE267320/EE43A0F0: <unowned>
        Waiting to be notified:
            "Screen Updater"
    java.awt.EventQueue@EE264CE0/EE4296D0: <unowned>
        Waiting to be notified:
            "AWT-EventQueue-0"
    sun.awt.AWTFinalizer@EE2AECF0/EE514620: <unowned>
        Waiting to be notified:
            "AWT-Finalizer"
Registered Monitor Dump:
    PCMap lock: <unowned>
    Thread queue lock: owner "Thread-420" (0xeda71de0, 1 entry)
        Waiting to be notified:
            "main"
    Name and type hash table lock: <unowned>
    String intern lock: owner "Thread-420" (0xeda71de0, 1 entry)
    JNI pinning lock: <unowned>
    JNI global reference lock: owner "Thread-420" (0xeda71de0, 1 entry)
    Debuggee lock: <unowned>
    Debugger lock: <unowned>
    BinClass lock: owner "Thread-420" (0xeda71de0, 1 entry)
    Class loading lock: <unowned>
    Java stack lock: <unowned>
    Code rewrite lock: <unowned>
    Heap lock: owner "Thread-420" (0xeda71de0, 1 entry)
    Has finalization queue lock: owner "Thread-420" (0xeda71de0, 1 entry)
    Finalize me queue lock: owner "Thread-420" (0xeda71de0, 1 entry)
        Waiting to be notified:
            "Finalizer thread"
    Monitor IO lock: <unowned>
    Child death monitor: <unowned>
        Waiting to be notified:
            "process reaper"
    Event monitor: <unowned>
    I/O monitor: <unowned>
        Waiting to be notified:
            "AWT-Input"
    Alarm monitor: <unowned>
        Waiting to be notified:
            "Clock"
    Sbrk lock: <unowned>
    Monitor cache expansion lock: <unowned>
    Monitor registry: owner "Thread-420" (0xeda71de0, 1 entry)
Thread Alarm Q:
    sys_thread_t 0xef071de0 [Timeout expired]