Hi,
Usually, that's more like a problem with a version mismatch of Java
itself. It's even possible that you compile your programs with one
version and try to run it with a different version.
Are you running Linux or Windows? Which version?
What versions of javac and java do you have? ("javac -version" and "java
-version")?
Is there any additional information to the error (like class file
version numbers)?
Why does Blink need Java?
Cheers,
Urs
On 01/17/2011 04:31 AM, lue ikhong wrote:
> hi,
> i am a beginner in tinyos. i am using windows 7 64-bit OS. whenever i
> want to compile application for tinynode,for example Blink, there would
> be error like below:
>
> $make tinynode
>
>
> ......exception in thread "main"
> java.lang.UnsupportedClassVersionError:Bad version number in .class file
> at java.lang.Classloader.defineClass1<Native Method>
> at java.lang.classloader.defineclass<unknown source>
> at java .security.secureclassloader.defineclass<unknown source>
> at java.net.URLClassloader.defineClass<unknown Source>
> ......etc,etc.
> make:***{exe0} Error 1
>
>
> is it the problem with my jdk? i had installed both 32-bit and 64 bit
> version of jdk 1.5 to my program files(x86) and program files respectively.
>
>
> anyone could help me to solve this, please.....
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