Re: How do you execute a JAR file?

phillip.s.powell@xxxxxxxxx wrote:

On Jan 28, 4:33 pm, Knute Johnson <nos...@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
phillip.s.pow...@xxxxxxxxx wrote:

On Jan 28, 4:12 pm, Knute Johnson <nos...@xxxxxxxxxxxxxxxxxxxxxxx>
wrote:
phillip.s.pow...@xxxxxxxxx wrote:
On Jan 28, 2:57 pm, Knute Johnson <nos...@xxxxxxxxxxxxxxxxxxxxxxx>
wrote:
phillip.s.pow...@xxxxxxxxx wrote:
On Jan 28, 2:27 pm, Knute Johnson <nos...@xxxxxxxxxxxxxxxxxxxxxxx>
wrote:
phillip.s.pow...@xxxxxxxxx wrote:
On Jan 28, 1:00 pm, Knute Johnson <nos...@xxxxxxxxxxxxxxxxxxxxxxx>
wrote:
phillip.s.pow...@xxxxxxxxx wrote:
On Jan 28, 9:51 am, "cp" <e-bl...@xxxxxxxxxxxxxxxxxxxxx> wrote:
Executing a JAR file under windows is typically done:
java -jar name.jar
Where name is the name of the file and you, of course, stand in the correct
directory.
Yes, I did exactly that:
cd "C:\Program Files\Java\jdk1.6.0\classes"
java -jar GUI.jar
To no avail, I still get NoClassDefFoundErrorThe CLASSPATH environment variable and the -cp command line option have
no effect when the -jar option is specified. Try compiling a simple
program from the command line and then run it. That should help you
find the problem.
I found out that apparently that's defined within manifest.mf, so here
is manifest.mf:
Manifest-Version: 1.0
Ant-Version: Apache Ant 1.6.5
Created-By: 1.6.0-b105 (Sun Microsystems Inc.)
Main-Class: GUI.IconMaker
Class-Path:
X-COMMENT: Main-Class will be added automatically by build
It appears Class-Path is undefined, or what does this mean?
See: http://knutejohnson.com/classpath.html
--
Knute Johnson
email s/nospam/knute/Do you have a package problem? Is the main class GUI.IconMaker or
IconMaker?
The main class is called "IconMaker", in a "default package" that
remains unnamed by NetBeans, however, when it "jars" up the Main-Class
becomes "GUI.IconMaker". And yes, I tried both, to no avail. Again,
works beautifully on NetBeans on my machine at work, bombs completely
when I try to use it on the exact same setup at home
--
Knute Johnson
email s/nospam/knute/That's where your problem is then. You need to put it all in the
default package or IconMaker needs to be in the GUI package. And you
need to recompile and re jar it.
Thanx, however, there is no GUI package, there is a GUI project,
however, created by the other NetBeans. I
--
Knute Johnson
email s/nospam/knute/Well whatever it is that is the problem. The manifest file says to look
for GUI.IconMaker and you have IconMaker. It is never going to work.
It also didn't work if I tried extracting the JAR file, editing
manifest.mf to have Main-Class = "IconMaker" and then re-JAR it back
together again, then I get a totally different error:
Failed to load Main-Class manifest attribute from GUI.jar
It works if you expand it out to individual classes.
--
Knute Johnson
email s/nospam/knute/This whole package/jar/manifest/classpath is the most complicated part
of writing a java program. But I guarantee you that you have a
disagreement between one of these things that is preventing you from
running your program.

Try extracting all of the classes to a directory, change into that
directory and jar them with the following:

jar -cvfe test.jar IconMaker *.class

Then try running that with:

java -jar test.jar

and let me know what happens.

Now I get "NoClassDefFoundError: ImageTools/ImageDownloadable"

ImageTools should be a subdirectory of the folder where IconMaker.class is found


--

Knute Johnson
email s/nospam/knute/


And ImageTools isn't in your jar file? That will stop it from working. You've got more than one problem going on here. You need all of the source and you need to put it in a package structure before you compile and jar it.

--

Knute Johnson
email s/nospam/knute/
.

Relevant Pages

  • Re: How do you execute a JAR file?
    ... java -jar GUI.jar ... Knute Johnson ... remains unnamed by NetBeans, however, when it "jars" up the Main-Class ... need to recompile and re jar it. ...
    (comp.lang.java.help)
  • Re: How do you execute a JAR file?
    ... java -jar GUI.jar ... Knute Johnson ... email s/nospam/knute/Do you have a package problem? ... need to recompile and re jar it. ...
    (comp.lang.java.help)
  • Re: How do you execute a JAR file?
    ... java -jar GUI.jar ... Knute Johnson ... email s/nospam/knute/Do you have a package problem? ... It also didn't work if I tried extracting the JAR file, ...
    (comp.lang.java.help)
  • Re: How do you execute a JAR file?
    ... java -jar GUI.jar ... Knute Johnson ... remains unnamed by NetBeans, however, when it "jars" up the Main-Class ... Thanx, however, there is no GUI package, there is a GUI project, however, created by the other NetBeans. ...
    (comp.lang.java.help)
  • Re: How do you execute a JAR file?
    ... java -jar GUI.jar ... email s/nospam/knute/Do you have a package problem? ... remains unnamed by NetBeans, however, when it "jars" up the Main-Class ... It also didn't work if I tried extracting the JAR file, ...
    (comp.lang.java.help)