If you have run SF on this machine successfully, I would guess
that however you are running now is using a different JRE...
Java Runtime Environment... and that one doesn't have the
tos comm and getenv bits installed.
For some reason, when the Java Software Devel Kit (SDK) installs
it makes TWO pretty much identical JREs. One is under the SDK
directory and the other is in a separate JRE directory, and if
you're not careful on Windows, they both get put in "Program Files"
where no shell utility can find them (because of the space in the
name).
If your failed run below was done from within Eclipse, it is
probably using the SDK. Whereas you may have been using the
standalone JRE before. "type java" will tell you where the
shell is getting it's java executable, and some searching
should turn up both JREs. You can then see which one has
the TOScomm stuff installed (a dll, probably a jar file,
and maybe a properties file), and make them the same.
MS
himanshu barve wrote:
> Hi Michael & Others too ..
>
> Continuing with the same problem .. today one (very simple) idea came
> to my mind ..
> As i want to run a java application (Serial Forwarder) though another
> java app (my application) why m i using all stuff like runtime , cygwin
> n all.. I could simply call main method of serial forwarder like this ..
>
> String[] args = {"-comm","-ser...@com16:telosb"};
> try{
> net.tinyos.sf.SerialForwarder sff = new net.tinyos.sf.SerialFrowarder(args);
> }catch(...){
> ..
> }
>
> i was hoping this should run .. but i got this error message..
> (actually .. sf window pop up for few milliseconds and all application
> crashed with this error. )
> /**********************************************************/
> The toscomm JNI library was not found.
> Check that your tinyos-tools package is installed and try
> rerunning tos-install-jni.
> Aborting.
> /**********************************************************/
>
> this error i did not encountered previously ..
> i tried this .. but ..
> /**********************************************************/
> $ tos-install-jni
> Installing 32-bit Java JNI code in /cygdrive/d/Program
> Files/Java/jdk1.6.0_14/jr
> e/bin ...
> install: cannot stat `/usr/lib/tinyos/*-32.dll': No such file or directory
> /**********************************************************/
>
>
> m i again mistaking with CLASSPATH , PATH or anything else ?
>
> Thanks a lot for your help ..
>
> Himanshu Barve
>
>
>
> On 26 March 2010 22:13, Michael Schippling <[email protected]
> <mailto:[email protected]>> wrote:
>
> I don't know about running external programs from within Java...
> my few paltry attempts have failed and I simply rejected the
> notion and worked around it with shell programming...
>
> All "modern" operating systems that I know have a command line
> shell facility to execute programs, and they all have an envvar
> interface of some kind...heck even MSDOS...
>
> You only need cygwin on Windows to do TOS compiles. You should
> be able to run TOS Java programs from the Windows Command shell
> after setting the right PATH, CLASSPATH, and MOTECOM. The TOS
> programs may need a sense of current directory as well, which
> could be lacking when run in non-shell environments.
>
> I have successfully deployed PC side code for TOS systems under
> just the Windows shell by installing the right Java JRE and other
> components I listed in my original reply. (By reverse engineering
> the TOS make output) I even extracted the relevant download
> utilities (for telosb) so I could send updates for my client to
> install.
>
> MS
>
>
> himanshu barve wrote:
>
> I was trying the same thing as given in previous mails .. When i
> start Serial Forwarder directly from cigwin (by entering manual
> command .) And then execute my application which work on data
> packets provided by SerialForwarder and mig generated message
> structure class , All things work properly .
> But now i have to create a independent (from cigwin) application
> , where user need not to know background cigwin commands . I
> want Serial forwarder to be started from my same java
> application .. So i used
> "Runtime.getRuntime().exec( "java net.tinyos.sf.SerialForwarder
> -comm ser...@com16:telosb");"
> which is the same command we give from cigwin . At present lets
> assume that MOTECOM variable remain the same for all operations.
> But this is not helping .. It is not giving any error but its
> not even starting SF. What should i do ? any idea ?
> Also .. MIchael as u said in ur last mail , just by fetching
> tinyos.jar will solve all the problem n cygwin will not be
> needed. i dont think so . If cygwin is not present how can we
> start serialforwarder. i mean all this program are written in
> linux environment . (this is what all i think. correct me if i
> am wrong.)
>
> Thanks a lot ..
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> On 19 March 2010 22:13, Michael Schippling <[email protected]
> <mailto:[email protected]> <mailto:[email protected]
> <mailto:[email protected]>>> wrote:
>
> To my knowledge Eclipse doesn't add any internal code to
> your project, so what you see is what you get as far as
> your application goes. You do need to make sure that you
> have the tinyos.jar, whatever Java Comm you are using,
> the same or similar JRE, and appropriate USB drivers
> installed on your target system. You don't actually
> need cygwin on a runtime-only target.
>
> MS
>
> himanshu barve wrote:
>
> Hello Friends .. I have a small doubt (Its still doubt
> because i
> have not got any errors yet)
> I am using eclipse to create a java application. THis java
> appication has one package based on serial forwarder Received
> data . Now i am using eclipse in Win Vista. I have copied
> tinyos.jar and added to external JAR used by eclipse. I
> wrote a
> program which without any error . Now my question is ,
> when i
> create a JAR from above Eclipse IDE. Put that in another
> system
> where cygwin is present and that particular package based on
> serial forwarder was working separately .. , will this
> work ??
> If not what is the solution ?? Anybody has any experience
> with
> that ? Please help me .. i am near my deadline of
> project.. -- With Best Regards
>
>
>
>
> ------------------------------------------------------------------------
>
>
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> <mailto:[email protected]>
> <mailto:[email protected]
> <mailto:[email protected]>>
>
>
>
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>
>
>
>
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