does drlvm support for swing classlib?

when I run Java2Demo.jar which is compiled with jdk, some error comes:

java.lang.NoClassDefFoundError: javax/swing/JPanel
       at java.lang.VMClassRegistry.defineClass()
       at java.lang.ClassLoader.defineClass()
       at java.security.SecureClassLoader.defineClass()
       at java.net.URLClassLoader.findClassImpl()
       at java.net.URLClassLoader$4.run()
       at java.security.AccessController.doPrivilegedImpl()
       at java.security.AccessController.doPrivileged()
       at java.net.URLClassLoader.findClass()
       at java.lang.ClassLoader.loadClass()
       at java.net.URLClassLoader$SubURLClassLoader.loadClass()
Caused by: java.lang.ClassNotFoundException: javax.swing.JPanel
       at java.net.URLClassLoader.findClass()
       at java.lang.ClassLoader.loadClass()
       at java.net.URLClassLoader$SubURLClassLoader.loadClass()
       at java.lang.ClassLoader.loadClass()
       at java.lang.VMClassRegistry.defineClass()

how can i solve the problem?  Thanks a lot.

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