[Tinyos-help] High Frequency Sampling class path errors

[Michael Schippling]

Did you run the whole jmakefile in the HFS directory?
It generates a bunch of app specific message classes,
but I'm not sure that is the real problem...
MS


Chris Byers wrote:
> Dear TinyOS,
> 
>  
> 
> I am trying to run the High Frequency Sampling program and have been 
> following the README.  When I get to the command:  java Sample 200 20000
> 
> I get the following error:
> 
>  
> 
>  
> 
> ---------- Capture Output ----------
> 
> "C:\Program Files\Crossbow\Crimson\IDE.bat" 
> "C:\tinyos\cygwin\opt\tinyos-1.x\apps\HighFrequencySampling" 
> "c:\tinyos\cygwin\bin" "java Sample 200 20000"
> 
> #############################
> 
> Command:   java Sample 200 20000
> 
> Cygwin:    c:\tinyos\cygwin\bin
> 
> Directory: C:\tinyos\cygwin\opt\tinyos-1.x\apps\HighFrequencySampling
> 
> Directory: /opt/tinyos-1.x/apps/HighFrequencySampling
> 
> #############################
> 
>  
> 
> Could not find a platform specific version of TOSMsg
> 
> java.lang.ClassNotFoundException: net.tinyos.message.unknown.TOSMsg
> 
> java.lang.ClassNotFoundException: net.tinyos.message.unknown.TOSMsg
> 
>             at java.net.URLClassLoader$1.run(URLClassLoader.java:198)
> 
>             at java.security.AccessController.doPrivileged(Native Method)
> 
>             at java.net.URLClassLoader.findClass(URLClassLoader.java:186)
> 
>             at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
> 
>             at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:265)
> 
>             at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
> 
>             at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
> 
>             at java.lang.Class.forName0(Native Method)
> 
>             at java.lang.Class.forName(Class.java:140)
> 
>             at 
> net.tinyos.message.MessageFactory.instantiateTOSMsg(MessageFactory.java:115)
> 
>             at 
> net.tinyos.message.MessageFactory.createTOSMsg(MessageFactory.java:44)
> 
>             at net.tinyos.message.Sender.<init>(Sender.java:87)
> 
>             at net.tinyos.message.MoteIF.init(MoteIF.java:173)
> 
>             at net.tinyos.message.MoteIF.<init>(MoteIF.java:155)
> 
>             at Sample.app(Sample.java:70)
> 
>             at Sample.main(Sample.java:49)
> 
> java.lang.NullPointerException
> 
>             at net.tinyos.message.Sender.send(Sender.java:120)
> 
>             at net.tinyos.message.MoteIF.send(MoteIF.java:200)
> 
>             at Sample.app(Sample.java:76)
> 
>             at Sample.main(Sample.java:49)
> 
>  
> 
> Could anyone please tell me what I should do to resolve this error?
> 
>  
> 
> Thanks,
> 
>  
> 
> Chris
> 
> 
> ------------------------------------------------------------------------
> 
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