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Re: Java on AMD64 Question




Hallo,

Juergen Kreileder wrote:
Javier Kohen <jkohen@users.sourceforge.net> writes:


Beware because debugging is broken with Blackdown's JDK 1.4.2_01 on
AMD64. It's been reported several times in their BTS, but there's
been no answer so far (at least on the BTS; I haven't checked their
mailing list, if they have one).
This will be fixed in the next release.  You should be able to work
around the problem by adding stdalloc=y to the run -Xrunjdwp options.

(1.4.2-01 defaults to stdalloc=n, that means it uses a variant of Doug
Lea's malloc which seems to break with NPTL.  1.5 allocates memory via
JVMTI, so it doesn't have this problem.)

Thanks, I'll try this sooner or later. I hadn't been able to find a workaround anywhere.

Also, if you use Eclipse, avoid Sun's JDK (Blackdown's included)
because the JIT has a bug that's triggered frequently by the editor
causing Eclipse to crash.
I have a hard time reproducing this.  What do you do to crash it?

I just use Eclipse's editor, eventually it'll crash; it could take a few seconds to some minutes, but never too long. Let me find the bug report... here: https://bugs.eclipse.org/bugs/show_bug.cgi?id=83688 . If you follow the link to the report mine is a duplicate of, you'll see other people complaining about the same.

Thanks for your answer,
--
Javier Kohen <jkohen@users.sourceforge.net>
ICQ: blashyrkh #2361802
Jabber: jkohen@jabber.org



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