JAR manifest Class-Path, use folder instead of jar

Hope this helps It possibly has to do with the fact that the java.class.path is a system property that is set from the classpath environment variable ($CLASSPATH or -classpath). These are ignored with the -jar option is used.
As per the java -jar documentation, when that jar option is used to run an application, only the manifest Class-Path is considered and other settings are ignored. From http://docs.oracle.com/javase/1.5.0/docs/tooldocs/windows/java.html:

will help you In eclipse when you export, there is an option to export as Runnable Jar File. You can use the library handling radio buttons in the wizard to choose how the dependencies are handled. With the first two options, the dependencies get added into your jar. The third option creats an output folder and places the dependency jars in an accessible location for your jar.

help you fix your problem The Main-Class attribute in a java manifest file is designed to be used with the java -jar foo.jar invocation. It tells the java command what class within the Jar file should have its main method executed when using the above command line syntax. It basically avoids having to explicitly specify the main class on the command line.
A key thing to remember is that the Main-Class refers to a class WITHIN THE JAR FILE, not on the file system.

will be helpful for those in need I am creating a jar file with multiple jars referred in Class-Path manifest.mf. , I'll assume your JAR contains a section similar to this:

I wish did fix the issue. The reason is that you have blank spaces in your addresses. You should either put them in a path without space or replace them with %20. So your Class-Path entry would look like this: