Re: Java Web Start Console closes unexpectedly / Reading in data

From:
"Andrew Thompson" <andrewthommo@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
1 Feb 2007 22:14:11 -0800
Message-ID:
<1170396851.143867.42960@v45g2000cwv.googlegroups.com>
On Feb 2, 4:35 pm, "ChrisC" <christopher.m.coll...@gmail.com> wrote:
...

I'm trying to figure out a problem with deploying my Java Web Start
application, but the console, that I have set to "Show" in the Java
Control Panel, ..


(Good move, just as an aside. I have had some
'many response' threads with people recently on
the Sun web start forum, where I cold not even be
sure they understood what a console was, let alone
had it auto-show for any web start app. on their
development machine.)

..closes during the application start up (along with the
application).


Yes. I have expereinced web start applications
crashing with no obvious console at all, but that
was a deployment that involved an installer, which
complicated matters.

There is something happening (I see something get
printed to the console) but I can't read it.


....hmmm. Try printing something big/distinct, like
 *************************************
at the very beginning of the main() of the application,
I suspect this deployment is not even getting that far.

Any idea why the console would close?


Sh*t happens?

...Can I force it to stay open or
log it somehow?


I think you can log it, or it automatically gets
logged, but I have never had much involvement
with logging.

Further, I have an feeling my application cannot access some data
files it's trying to read -- I put them in the JAR in the same
(relative) folder they are in on my machine. The file reference in
the program is relative... but now I'm thinking that the Web Start
application is not actually looking in the JAR for the data files, but
perhaps rather on the user's computer.


As mentioned, I doubt it is even getting that far.
It is rare that faults within the application
will cause web start itself, to fail.

My experience is that 90%+ of web start
problems begin within the JNLP file.

The JNLP for this application is?
(paste content, or preferably URL to live version)

Andrew T.

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