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Error in running jar/class files under Ubuntu

Archived thread 1023360 from Packaging and Compiling Programs. Markdown source: Packaging_and_Compiling_Programs/thread_1023360_Error_in_running_jarclass_files_under_Ubuntu.md

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#1

Hi, newbie here :). This is my first post and I think I'll be spending sometime on this forum. I just installed Ubuntu 8.04 - Hardy 32 bit. I compiled a basic java application in NetBeans 6.01 (Visual Application). I run the program fine under the IDE but when I try to run the jar file or the class files, I get errors.

Here is what I get when I try to run the jar file by doing this:

"java -jar filename.jar"

I have these files on the Desktop folder.

output at the terminal >

~/Desktop$ java -jar DBMan.jar

Exception in thread "main" java.lang.NoClassDefFoundError: org/jdesktop/application/SingleFrameApplication at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:637) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) at java.net.URLClassLoader.access$000(URLClassLoader.java:73) at java.net.URLClassLoader$1.run(URLClassLoader.java:212) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:323) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:268) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336) Caused by: java.lang.ClassNotFoundException: org.jdesktop.application.SingleFrameApplication at java.net.URLClassLoader$1.run(URLClassLoader.java:217) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:323) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:268) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336) ... 12 more Could not find the main class: dbman.DBManApp. Program will exit.

I get the same error when I try to run the .class files.

I have the latest JVM on this system, I used sudo to get it not long ago.

Any ideas?

Thanks

Michael