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From "Luoh Ren-Shan" <>
Subject <java> task: shutdown hook / NoClassDefFoundError
Date Tue, 22 Oct 2002 07:44:38 GMT
    I'm using Ant 1.5.1 + Sun JDK 1.4.0-b92 on Win 2K Pro SP2.
    When using the <java> task to launch my program,
    I'm in a dilemma about forking or not.
    If I choose not to fork, then I will get some
    NoClassDefFoundError with sun.reflect.* classes.
    The problem has been mentioned before,
    and it seems that Steve Loughran has a fix for it.
    But 1.5.1 doesn't has the fix inside.
    If I choose to fork, then the shutdown hook of my
    program will not be triggered while Ctrl+C being
    pressed on the console window.
    ( -> java.lang.Process.destroy()
     -> Win32Process_md.c -> TerminateProcess()
     -> shutdown hook will NOT be invoked)
    Please help. Thank you.

Luoh Ren-Shan

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