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Re: Beginner Problem - Manifest file

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From	"John B. Matthews" <nospam@nospam.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: Beginner Problem - Manifest file
Date	Mon, 30 May 2011 19:32:28 -0400
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In article <is103c$dnd$1@theodyn.ncf.ca>,
 William Colls <william.colls@rogers.com> wrote:

> Environment:
> Ubuntu 10.04.2 64 bit
> Java 1.6.0_24
> NetbeansIDE 6.8
> 
> I have built a small application containing two classes. When I build 
> the application in the IDE, it builds without error, and creates a 
> .jar file.
> 
> When I try to run the .jar using the command
> 
> java -jar myapp.jar
> 
> I get the error
> 
> Failed to load Main-Class manifest attribute from myapp.jar
> 
> One of the class files does contain the main declaration
> 
> public static void main(String args)
> 
> From my reading, I understand that there should be a file with the 
> name manifest.txt in the build directory that gets incorporated into 
> the .jar file, but I don't know what the contents of the file should 
> be. My original understanding of how the IDE worked led me to believe 
> that it would create the manifest file automatically, but this 
> doesn't seem to be happening.

Here's a simple utility that displays a manifest's contents in place:

<http://sites.google.com/site/drjohnbmatthews/manifesto>

The included build.xml file shows how to create the manifest using ant. 
From the command line, use `ant -p` to see the available build targets; 
use `ant test` to see a test run.

-- 
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>

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Beginner Problem - Manifest file William Colls <william.colls@rogers.com> - 2011-05-30 16:53 -0400
  Re: Beginner Problem - Manifest file Knute Johnson <nospam@knutejohnson.com> - 2011-05-30 14:20 -0700
  Re: Beginner Problem - Manifest file markspace <-@.> - 2011-05-30 15:30 -0700
    Re: Beginner Problem - Manifest file William Colls <william.colls@rogers.com> - 2011-05-30 21:03 -0400
  Re: Beginner Problem - Manifest file "John B. Matthews" <nospam@nospam.invalid> - 2011-05-30 19:32 -0400
  Re: Beginner Problem - Manifest file Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-05-31 09:24 +0100

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