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Old 06-08-2010, 10:36 PM   #1
iDavid
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Registered: Jun 2010
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Java error attempting to run a file which exists in the specified location


Hi, I recently set up a Linux VPS and installed JDK 6u20 on it; I tried running a class and here's the result

Code:
[root@pioneer codeusa]# dir
content  Engine.class  io  model  net  npcs  Server.class  test  util  world
[root@pioneer codeusa]# java Server 43594
Exception in thread "main" java.lang.NoClassDefFoundError: Server (wrong name: net/com/c
odeusa/Server)
The file "Server.class" is in the location I specified - why am I still getting the error?
 
Old 06-09-2010, 12:29 AM   #2
paulsm4
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Registered: Mar 2004
Distribution: SusE 8.2
Posts: 5,863
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Hi -

1. In your source code, you probably declared your class "Server" to be in package "net.com.codeusa"

2. So that means "Server.class" needs to be inside directory "net/com/codeusa":

Here's a good tutorial:
http://www.jarticles.com/package/package_eng.html

'Hope that helps .. PSM
 
Old 06-10-2010, 12:43 AM   #3
iDavid
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Registered: Jun 2010
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Thanks, but, as you can see, the file "Server.class" is in the directory net/com/codeusa/ as is demonstrated by me having it show the contents of the directory at the beginning of the [code] tag:

Code:
[root@pioneer codeusa]# dir
content  Engine.class  io  model  net  npcs  Server.class  test  util  world
 
Old 06-10-2010, 01:48 PM   #4
paulsm4
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Registered: Mar 2004
Distribution: SusE 8.2
Posts: 5,863
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Sigh...

1. You need your class here:

MY DIRECTORY/net/com/codeusa/Server.class

2. Then you need to execute your code (run "java") from "MY DIRECTORY"

Please read the link; I think it'll help make things much clearer.

Thanx in advance .. PSM
 
  


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