Error in Jar

[Anonymous]

Hello

problem running .jar file:

C:\Program Files\Java\jdk1.6.0_20\bin>java -jar c:\eclipse\persistence.jar
Just Created New Library
Status Report of MyLibrary:
Test Drive Library: 2 books; 2 people.
War and Peace by Tolstoy; Available
Great Expectations by Charles Dickens; Available
Jim (3 books) (has 0 of my books)
Sue (3 books) (has 0 of my books)
Books Available: 2
-- End of Status Report--

Checked out War and Peace to Sue
Status Report of MyLibrary:
Test Drive Library: 2 books; 2 people.
War and Peace by Tolstoy; Checked out to Sue
Great Expectations by Charles Dickens; Available
Jim (3 books) (has 0 of my books)
Sue (3 books) (has 1 of my books)
Books Available: 1
-- End of Status Report--

Status Report of MyLibrary:
Test Drive Library: 2 books; 2 people.
War and Peace by Tolstoy; Available
Great Expectations by Charles Dickens; Checked out to Jim
Jim (3 books) (has 1 of my books)
Sue (3 books) (has 0 of my books)
Books Available: 1
-- End of Status Report--

Exception in thread "main" java.lang.NoClassDefFoundError: com/thoughtworks/xstream/io/HierarchicalStreamDriver
        at org.persistence.tutorial.MyLibrary.main(MyLibrary.java:140)
Caused by: java.lang.ClassNotFoundException: com.thoughtworks.xstream.io.HierarchicalStreamDriver
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
        … 1 more

can anybody tell me what's wrong?

[Anonymous]

problem fixed:

in lessen 10 with Eclipse Helios i export to 'runnable Jar' and so it works.

Thanks for this great tutorial!