you _should_ be able to set a classpath in your environment
before starting appletviewer...I think. The easiest might be
to try:   export CLASSPATH=.   and then run the viewer from
tools/java where it will then search down net/tinyos/...
Or include the full path to your tools/java in the CP and
you can run from anywhere.

On the other hand you may just need to specify the full
package name to the viewer:   net.tinyos.tools.Listen

Also I believe you want the class file, not the .java file
so leave off ".java". I think I used appletviewer once so
take this all with a grain of salt...

MS

nandy jones wrote:
 Hi,

I m trying to modify the Listen.java file for fetching the light value as its done in oscilloscope application. In which I have modified some of the content of Listen.java file. I have made it extended with applets. So when I m trying to run it with

 appletviewer Listen.java

 It shows the FOLLOWING ERROR
$ appletviewer Listen.java
java.lang.NoClassDefFoundError: Listen (wrong name: net/tinyos/tools/Listen)
        at java.lang.ClassLoader.defineClass0(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:502)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
3)
at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:148)!
        at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:114)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
        at sun.applet.AppletClassLoader.loadCode(AppletClassLoader.java:501)
        at sun.applet.AppletPanel.createApplet(AppletPanel.java:567)
        at sun.applet.AppletPanel.runLoader(AppletPanel.java:496)
        at sun.applet.AppletPanel.run(AppletPanel.java:293)
        at java.lang.Thread.run(Thread.java:536)


So I think there is problem with class path setting But where I can set the path..
because It seems ! all files are compiled with make command..

so please let me know which file to edit for setting classpath OR its the different problem..

thanks

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