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Home » Newcomers » Newcomers » Cannot run demo classes(Cannot run demo classes for excel write and read in eclipse)
Cannot run demo classes [message #1830226] Tue, 21 July 2020 08:06 Go to next message
Phillip Oosthuizen is currently offline Phillip OosthuizenFriend
Messages: 1
Registered: July 2020
Junior Member
I do not know how to run the demo's in package

I tried create new project with package and class and copy code in new proect

Keep getting error messages as follows

Exception in thread "main" java.lang.NoClassDefFoundError: BiffException
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
at java.lang.Class.getMethod0(Class.java:3018)
at java.lang.Class.getMethod(Class.java:1784)
at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
Caused by: java.lang.ClassNotFoundException: BiffException
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more
Re: Cannot run demo classes [message #1830291 is a reply to message #1830226] Wed, 22 July 2020 18:41 Go to previous message
Nitin Dahyabhai is currently offline Nitin DahyabhaiFriend
Messages: 3783
Registered: July 2009
Senior Member

This isn't a general Java support forum, but regardless, you didn't mention what demoes you're referring to--as in, what are they demonstrations of?

Are there compile errors about not being able to find this "BiffException" class that you haven't fixed? Where is BiffException, and is it in a jar on the project's Java Build Path?


Nitin Dahyabhai
Eclipse Web Tools Platform
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