Running a jar file from a DOS batch file.

[Sonny Pondrom]

Given the batch file contents below, is it possible to execute a batch file that runs a jar file with upto 5 arguments? The batch commands below gives me a DOS error "mycode is not recognized as an internal or external command, operable program or batch file".
>
>
> @echo off
>
> C:\mycode\java -jar mycode.jar %1 %2 %3 %4 %5
>
>

[Michael Morris]

You must have some kind of syntax error in the batch file. The system is looking only at C:\mycode and presumably only finding a directory there. It's been a while since DOS 6.2 but I think the only limitation to a command line is 1024 chars total. The number of args is irrellavent.

[Sonny Pondrom]

Thanks Micheal,
Can you think of a test case that should work on any system?
like some util or system jar file that would have an argument.

[Michael Morris]

Originally posted by Sonny Pondrom:
Thanks Micheal,
Can you think of a test case that should work on any system?
like some util or system jar file that would have an argument.

Write a simple Java app that takes a command line argument, jar it up and test it.

[Jim Yingst]

Backing up a bit:
Try
java -version
or
C:\mycode\java -version

Then compile something like

public class Hello {
    public static void main(String[] args) {
        System.out.println("Hi!");
    }
}

and try
C:\mycode\java Hello
This tests some of the more fundamental stuff before you worry about the -jar and command line arguments.
Also, I'd recommend setting echo on rather than off, for debugging at least. Find out what those %1 %2 %3 %4 %5 really evaluate to.
Good luck.
[ July 26, 2003: Message edited by: Jim Yingst ]

[Gary Dan]

You can also try this free software at http://www.GreenTeaTech.com that allows you to run any exe or jar files locally or on remote machines.

[Stefan Wagner]

Originally posted by Sonny Pondrom:
Given the batch file contents below, is it possible to execute a batch file that runs a jar file with upto 5 arguments? The batch commands below gives me a DOS error "mycode is not recognized as an internal or external command, operable program or batch file".
>
>
> @echo off
>
> C:\mycode\java -jar mycode.jar %1 %2 %3 %4 %5
>
>

Are you sure, that java is located in C:\mycode???
I would think you need something like this:
C:
cd C:\mycode
C:\Programms\jdk7.4.4\bin\java -jar mycode.jar %1 %2 ....
Of course the jarfile must be made with Main-Class and so on.

[VIJAY Yadlapati]

The proble is not with parameters or with the jar File.
"C:\mycode\java -jar mycode.jar %1 %2 %3 %4 %5" - the operating system is expecting "Java.xxx" in "C:\mycode\" Folder.
Rather you should use
CD C:\mycode\
Java ....
(Asuming Java is in Path)

[Sonny Pondrom]

All suggestions were helpful. But the last two were the best.
I ended up doing something like this:
@echo off
REM save current directory
PUSHD C:\java\classes\my_code
java -jar My_code.jar %1 %2 %3 %4 %5 %6 %7 %8
REM restores previous directory
POPD

[Stefan Wagner]

Originally posted by Sonny Pondrom:
All suggestions were helpful. But the last two were the best.
...

So I hope this will take away this smelling 'greenhorn' label from me .
[ August 05, 2003: Message edited by: Stefan Wagner ]