Re: How Do I Publish My Working Project (corresponding dot jar doesn't work on other's PCs)

Nigel Wade <>
Mon, 17 Sep 2012 10:10:39 +0100
On 11/09/12 20:45, markspace wrote:

On 9/11/2012 11:08 AM, Lew wrote:

markspace wrote:

To run, you use java -cp <path to all needed jars> -jar <path/your jar>

The problem with that is that the command will ignore the "-cp"

"-cp" and "-jar" is either/or proposition.

Yes I totally forgot about that. I guess I don't actually run java from
the command line very often.

That leaves setting the classpath in the jar itself, which is kind of
tricky if you are going to be moving the jar to other people's
computers. Java WebStart and OneJar come in handy here.

It's not tricky at all if you setup the correct type of NetBeans
project, as I already said. NetBeans will do it all for you. There's no
need to start messing with jar's, manifests or Ant. It's very often
easier to re-create the project as a Java Application than it is to
"fix" a broken one.

With a NetBeans Java application all you need is the contents of the
dist/ directory. The main project jar will have a properly constructed
manifest to allow the jar to be executed with "java -jar project.jar".
Dependency jar's will be in the dist/lib directory, and a Class-Path:
entry in the manifest will include that directory. When you build the
project NetBeans very helpfully tells you exactly how to run it:

"To run this application from the command line without Ant, try:
java -jar "/path/to/project/dist/project.jar".

All you need to distribute to anyone else is the dist/ directory.
There's even a clue in the name.

Nigel Wade

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