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Editorial Team
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Asked: 2026-05-27T10:51:59+00:00

I am using the Java code to execute a bat file to make a

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I am using the Java code to execute a bat file to make a war file by the following java code

String command = "cmd /C start C:/processFolder/paas.bat";          
Runtime rt = Runtime.getRuntime();
Process pr = rt.exec(command);

which means it will execute the paas.bat file to do some jobs. There is a command within the paas.bat :

jar cfv xxx.war */ .

however, it does not jar all the file and folder into xxx.war. Does any one has the idea why this happens? Thanks！

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1 Answer

  1. Editorial Team

    The command uses current working directory, which will be different from java program. You may change script to do a cd and then call jar command.

     cd /d <path to folder where this should execute from>
 jar ....

    Please capture output , error and exceptions(if any) from the command and add to your question.

    (note#1. It may be more useful to use tools like ant to do these task. The tasks in ant can be called from java program using ant libraries..
    Note#2 – Prefer ProcessBuilder to launch new process. )

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