ClassNotFoundExpetion
I am using NetBeans. I am tring to run a program that use jung libraries. no error found when I compile it, but the following error come up when I run it.
load: class AddNodeDemo.class not found.
java.lang.ClassNotFoundException: AddNodeDemo.class
at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:168)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:119)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:599)
at sun.applet.AppletPanel.createApplet(AppletPanel.java:721)
at sun.applet.AppletPanel.runLoader(AppletPanel.java:650)
at sun.applet.AppletPanel.run(AppletPanel.java:324)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.io.FileNotFoundException: C:\Program Files\JavaApplication2\build\AddNodeDemo\class.class (The system cannot find the path specified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:70)
at sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:161)
at sun.applet.AppletClassLoader.getBytes(AppletClassLoader.java:280)
at sun.applet.AppletClassLoader.access$100(AppletClassLoader.java:44)
at sun.applet.AppletClassLoader$1.run(AppletClassLoader.java:158)
at java.security.AccessController.doPrivileged(Native Method)
at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:155)
... 8 more
Any help
> I am using NetBeans. I am tring to run a program that
> use jung libraries. no error found when I compile it,
> but the following error come up when I run it.
>
>
> load: class AddNodeDemo.class not found.
> java.lang.ClassNotFoundException: AddNodeDemo.class
> at
> sun.applet.AppletClassLoader.findClass(AppletClassLoad
> er.java:168)
> at
> java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> at
> sun.applet.AppletClassLoader.loadClass(AppletClassLoad
> er.java:119)
> at
> java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at
> sun.applet.AppletClassLoader.loadCode(AppletClassLoade
> r.java:599)
> at
> sun.applet.AppletPanel.createApplet(AppletPanel.java:7
> 21)
> at
> sun.applet.AppletPanel.runLoader(AppletPanel.java:650)
>
> at
> sun.applet.AppletPanel.run(AppletPanel.java:324)
> at java.lang.Thread.run(Thread.java:595)
> y: java.io.FileNotFoundException: C:\Program
> Files\JavaApplication2\build\AddNodeDemo\class.class
> (The system cannot find the path specified)
> at java.io.FileInputStream.open(Native
> Method)
> at
> java.io.FileInputStream.<init>(FileInputStream.java:10
> 6)
> at
> java.io.FileInputStream.<init>(FileInputStream.java:66
> )
> at
> sun.net.www.protocol.file.FileURLConnection.connect(Fi
> leURLConnection.java:70)
> at
> sun.net.www.protocol.file.FileURLConnection.getInputSt
> ream(FileURLConnection.java:161)
> at
> sun.applet.AppletClassLoader.getBytes(AppletClassLoade
> r.java:280)
> at
> sun.applet.AppletClassLoader.access$100(AppletClassLoa
> der.java:44)
> at
> sun.applet.AppletClassLoader$1.run(AppletClassLoader.j
> ava:158)
> at
> java.security.AccessController.doPrivileged(Native
> Method)
> at
> sun.applet.AppletClassLoader.findClass(AppletClassLoad
> er.java:155)
> ... 8 more
i think its classpath issues. Check whether your classpath is set properly