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help to execute .jar in console [message #693188]

Tue, 05 July 2011 21:27

Eclipse User

sorry i am peruvian my english is not very good.....

i work in eclipse helios.

when i want to execute my .jar (full swt) in windows console, i get :

------------------
exception in threas "main" java.lang.NoclassdefFoundError:

org/eclipse/swt/widgets/Decorations

caused by: java.lang.ClassNotFoundException:

org.eclipse.swt.widgets.Decorations

at java.net.URLClassLoader$1.run <unknow source>
at java.security.AccessController.doPrivileged<native method>
at java.net.URLClassLoader.findClass<unknow source>
at java.lang.classLoader.loadclass<unknow source>
at sun.misc.Launcher$AppClassloader.loadClass<unknow source>
at java.lang.Classloader.loadClass<unknow source>

could not find the main class: wMenu. Program will exit

-----------------------

whats the problem.... thank people!!

Re: help to execute .jar in console [message #693892 is a reply to message #693188]

Thu, 07 July 2011 09:06

Eclipse User

Hi,

What is the command you are using to execute?

You need to include swt.jar in the classpath.
For example: java -classpath <path to swt.jar>/swt.jar <Main class>

Another thing you can do is to use eclipse to export the project as a Runnable jar file and include the required libraries in the generated jar.
Then you can execute the jar file using java -jar <jar file>

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