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Running exe files with java

 
Greenhorn
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I'm having a problem with running exe files with Java. I want to add a program onto a banner with Java that will execute from a hosting website on any computer. The program is 500kb and it is an exe. How would i accomplish this?

PS: i just started with Java a few days ago and i have been searching for an answer for hours now , please help
[ August 08, 2008: Message edited by: Semir xx ]
 
Bartender
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To make Java run an external application, you should use the Runtime. Read this JavaWorld article to get a good working start.

I have a feeling, though, that that is not quite what you want to do, so you will have to be a bit more specific.

And just to nitpick:
"running exe files with Java ... on any computer"
If the computer isn't a Windows computer, then you can't expect it to run exes.
 
Semir Muratovic
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i just want it to execute a file that i will be hosting on a website
 
Marshal
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"Semir xx", please check your private messages for an important administrative message.
 
Semir Muratovic
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can anyone help me?
 
Steve Luke
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Originally posted by Semir xx:
i just want it to execute a file that i will be hosting on a website



It is that 'from a website' that scares me now. What type of Java application are you running? An Applet? WebStart? Servlets? I think you will run into serious troubles with any of these technologies, but different problems for each.
 
Semir Muratovic
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i want to host an exe file that can be launched using a java applet from any location, the file is around 500kb in size. is it possible at all?
 
Paul Clapham
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You still haven't told us the most important requirement. Where do you want to run this executable? On your web server, or on the computer of the client who downloads your applet?
 
Semir Muratovic
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on the computer of the client who downloads the applet
 
Master Rancher
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And how are you getting permission from the client to run this exe file?
If you have permissions, you can read the exe file from the server, write it to a folder on the client and then user Runtime class to execute it.
 
author
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As Norm mentioned, by default, Applets are not allowed to do a ton of stuff needed for the task. To enable it, you need to first sign the applet. Then you need to enable that sign applet to do those normally restricted tasks. And this needs to be done on every client that you want to run the applet.

Henry
 
Paul Clapham
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If you just want to casually put an executable program on your server and have it run on the client system (which is what your original post sounds like) then forget it. Don't even try. Running executable programs on other people's computers is a serious no-no as it's how malware gets spread around the Internet.
 
Greenhorn
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Hi!!
I have built a mulitple cilents one server chat type application.
Now I also want to autorun an exe file through java applets on clients whenever they connect with server.This file will definitely contain some code.Can you help how can i make this exe file autorun???
Please help.........
Waiting for reply.....
 
Saloon Keeper
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Hi Sehrish, welcome to CodeRanch.

Have you read and understood the posts in this thread?
 
Java Cowboy
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Welcome to the Ranch.

What you want: automatically running an exe on a client when someone visits a server via a website with an applet, is fortunately not possible. It would be a huge security problem if this would be possible.
 
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