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> So far, I've built custom backup scripts all over the place, much other
>administrivia, and built an RPM containing Apache_1.3.12+SSL_1.39,
>mod_perl 1.21, php 3.0.14, and JServ 1.1 with JDK 1.2.2. I'm building
>on pc platforms running RedHat Linux v6.1.
>
> My problem-slash-question is this: JServ is up and working, the
>programmers are coding applets for it, and they're working. It's even
>talking to Oracle. I've *never* had any experience with java before,
>and it's been interesting so far.
One tip on terminology... the programmers are coding servlets.
Servlets run on the server in the Java virtual machine managed by
JServ that you are seeing in your "ps -fax". Applets run on the
client in the browser.
...
>/usr/share/jdk1.2.2/bin/i386/native_threads/j
I see you are running native threads.
Native threads means that every Java thread is a native thread in
the operating system. This is good, and it means that the OS can
take advantage of an SMP (multi-processor) machine.
...
> The rest of the commandline calls "java" and the config file in
>/etc/httpd/conf/jserv. Are there really supposed to be multiple copies
>of Java started? The last one on the list seems to always go zombie
>within a few hours, and after a day or so, there's 30 copies of java
>running!
Native threads within a single process show up in Linux in the "ps"
command just like separate processes. So what you are seeing
is not 30 instances of the Java virtual machine or 30 processes,
but 30 threads.
So with regard to stability, this does not raise any red flags with
me.
Stephen
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