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JAR file will not run from Command Line [message #947118]

Tue, 16 October 2012 20:51

Michael Mossman

Messages: 5
Registered: October 2012

Junior Member

I have been following the tutorial "Java and Eclipse for Total Beginners".

Everything went fine until the last moment. I created and tested all the Objects and Methods successfully. I created a Main Method and that worked inside Eclipse.

Then I tried to run the .jar file from the Command Line (using Windows 7 ) and got the following error message :-

'java' is not recognized as an internal or external command, operable program or btach file.

No doubt, I have forgotten to set up something important. Can somebody please put me on the right track.

Thanks, Mike

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Re: JAR file will not run from Command Line [message #947391 is a reply to message #947118]

Wed, 17 October 2012 03:41

Ed Merks

Messages: 33136
Registered: July 2009

Senior Member

Mike,

It just sounds like java.exe isn't on your path. Find where it is
installed and specify its absolute path.

On 16/10/2012 10:51 PM, Michael Mossman wrote:
> I have been following the tutorial "Java and Eclipse for Total
> Beginners".
>
> Everything went fine until the last moment. I created and tested all
> the Objects and Methods successfully. I created a Main Method and that
> worked inside Eclipse.
>
> Then I tried to run the .jar file from the Command Line (using Windows
> 7 ) and got the following error message :-
>
> 'java' is not recognized as an internal or external command, operable
> program or btach file.
>
> No doubt, I have forgotten to set up something important. Can somebody
> please put me on the right track.
>
> Thanks, Mike
>

Ed Merks
Professional Support: https://www.macromodeling.com/

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Re: JAR file will not run from Command Line [message #948744 is a reply to message #947391]

Thu, 18 October 2012 10:26

Michael Mossman

Messages: 5
Registered: October 2012

Junior Member

Thank you, Ed.

I've now include java in my PATH and all works fine OK.

Just a small gripe though : you would have thought that either Eclipse or JDK would have done this on installation. Everything is pretty well automatic and setting a PATH isn't exactly obvious.

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Re: JAR file will not run from Command Line [message #948745 is a reply to message #948744]

Thu, 18 October 2012 10:28

Michael Mossman

Messages: 5
Registered: October 2012

Junior Member

Correction : I meant to say "Everything ELSE is pretty well automatic"

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Re: JAR file will not run from Command Line [message #948809 is a reply to message #948744]

Thu, 18 October 2012 11:48

Ed Merks

Messages: 33136
Registered: July 2009

Senior Member

Michael,

I think you can install many JDKs so it would get confusing for them all
to try to put themselves on the path...

On 18/10/2012 12:26 PM, Michael Mossman wrote:
> Thank you, Ed.
>
> I've now include java in my PATH and all works fine OK.
>
> Just a small gripe though : you would have thought that either Eclipse
> or JDK would have done this on installation. Everything is pretty well
> automatic and setting a PATH isn't exactly obvious.
>

Ed Merks
Professional Support: https://www.macromodeling.com/

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