java: call external jar program (-> 'create process error')

Question

I'm trying toopen/execute another program, which is a .jar file, but I'm getting the following error:

it is not a windows application

(java.io.IOException: CreateProcess error=193)

Here is my code:

import java.io.IOException;

public class Test8 {

    public static void main(String[] args) {

        try {

            String filepath = "C://Users//Alex//Desktop//Speedtest.jar";

            Process p = Runtime.getRuntime().exec(filepath);

        } catch (IOException e) {

            e.printStackTrace();
        }

    }

}

martinez314 · Accepted Answer · 2016-06-17 15:10:25Z

1

At the command-line, JARs are executed with java -jar. Try passing a String array:

String[] args = new String[] {"java", "-jar", "/path/to/myJar.jar"};
Process p = Runtime.getRuntime().exec(args);

answered Jun 17, 2016 at 15:10

martinez314

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2 Comments

Alex Over a year ago

ok i tried this and there is still the same error, that it is no windows program:

Alex Over a year ago

Cannot run program "Speedtest.jar": CreateProcess error=193, %1 ist keine zulässige Win32-Anwendung at java.lang.ProcessBuilder.start(Unknown Source) at java.lang.Runtime.exec(Unknown Source)

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