You probably have newer versions installed,
but check that you really have them with:

type dot  -- should show a path to dot.exe

type java -- should show a path to a java SDK

MS

Ben Ahmed Farah wrote:
> Hi,
> i just installed TinyOS on ubuntu 10.04  and i make this command to 
> check that the environment is setup correctly : tos-check-env
> the output of this command is:
> 
> " tos-check-env completed with errors:
> --> WARNING : The JAVA version found first by tos-check-env may not be 
> version 1.4
> or version 1.5 one of which is equired by TOS. Please ensure that the 
> located version is 1.4 or 1.5
> --> WARNING : The graphviz (dot) version found by tos-check-env is not 
> 1.10. Please update your graphviz version if you'd like to use the 
> nescdoc documentation generator.
> 
> please how can i correct this errors?
> 
> thks a lot.
> 
> Farah.
> 
> 
> 
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