Upgrade to the 1.3 JDK. At the very upgrade to the latest production 1.2.2,
which is something like 1.2.2_07, I think.
Scott
-----Original Message-----
From: Myint Myint Moe
To: JRun-Talk
Sent: 4/4/01 3:51 AM
Subject: RE: jrun core dump
Hi all,
Actually we installed jdk 1.2.2_01 on our server which got core dump
from
jrun and it was the version typo error in my previous email.
And jrun was managed by running with native thread. But it died by core
dump
when we run the servelets which are connecting into oracle database and
retriving/updating data. We used jdbc-thin driver (classes12.zip) for
connecting with oracle database.
So what do you think I should check out for this problem?
Any suggestion and possibility will save us.
Thanks and Regards,
Myint
-----Original Message-----
From: Christopher B. Hamlin [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, April 04, 2001 1:33 AM
To: JRun-Talk
Subject: Re: green_thread and jrun core dump
Scott Stirling wrote:
>
> I would recommend upgrading the JVM. There's no reason in the world
to
use
> green threads anymore. And on a multi-CPU Solaris box it will kill
> performance because the JVM with green threads is single-threaded as
far
as
> the kernel is concerned.
>
> The 1.3 JVMs for Solaris are incredibly fast and powerful. That's
probably
> your best solution unless you have a really good reason for staying
with a
> 1.1 JVM. Even if, you should upgrade to the latest 1.1.8 production
release
> and not use the green threads option nor any reference implementation
JVMs
> (the RI JVMs are not released for production use).
>
> Sun will say the same thing.
>
You didn't say so explicitly, but it may also be true that
such an old JVM will not do any JIT compilation like 1.2
or the hotspot stuff of 1.3. So bad threading + no compilation
would be realllly slow.
ch
[EMAIL PROTECTED]
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