----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, October 15, 1999 12:37 PM
Subject: Can we run Java app from a CD with Blackdown?
> Hi:
>
> We got a few questions on deployment with Blackdown. It would be
> appreciated if someone could help.
>
> Q1: After we finish a Java application development on Windows NT 4.0
(Intel)
> with VisualCafe 3.0, is it possible to include everything** on a CD, and
let
> user run the Java application from the CD on Redhat 6.0 Linux (Intel)
> without any installation or file copy?
>
Should be able to. There are a few wierd bugs in the release but nothing
major.
As for installers, there are a couple of good pure java installers on the
market.
Install Shield makes one. Typically I find that a script is good enough
expecially
if everything is in a Jar.
> ** "everything" includes:
> - all class files or a JAR file of the Java application
> - supporting files from VisualCafe 3.0 (they are said 100% pure)
> - Blackdown JVM and supporting files
Supporting files ? Hmm, I really reccomend oyu let the customer worry about
the JVM. That is one of the few things about java that is platform
dependent.
If you plan on including jvms you will really have to include them
for all build types.
> - what else?
>
> Q2: Can we use Blackdown in this way (i.e. from a CD without
installation),
> or we have to install it first?
Prolly the user will have to have the JVM on their machine already. Once
it is set up you can run java transparrently. SOmetimes though a jvm is
not so easy to set up. Let their network sdmins worry about it. THis is
simply
the same as issuing a requirement that the software must run under windows
or dos. You specify that a user must have a jvm. Then If I were you I would
jsut
include hypertext links to the popular java download sites.
>
> Q3: If we can use it without a installation, then which Blackdown files
> should be included on the CD, and any special file structure?
You would have to run an installation at least for java JVM. The system
needs to find out where the clasees are and whatnot. Not to mention
path changes. This isnt windoze. =) If you want a super user friendly
os, the macintosh is prolly your best bet. Any unix admin that cant
install a simple jvm is prolly in big trouble anyway.
>
> Q4: Does Blackdown JVM generate any temporary files during running? We
plan
> to use a CD-ROM not CD-RW, so can't add any temp files to the CD.
>
You shouldnt have to worry about it. Once the jvm is on the mashine your
ONLY
concern is if your app works.
> Q5: Is there any JRE for Linux like the one for NT?
Yep, there is a JRE. Like NT? well that depends on what level you are
referring to.
Install and setup, I doubt it. Core code, most certainly not. Functionality
after
installation, sure.
>
> We are not familiar with Blackdown or Linux yet :( so please give detail
> information if possible.
>
ok =)
> Thank you in advance.
>
you're welcome.
>
> Lee
>
Rob
>
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