java.io.IOException: Cannot run program "": CreateProcess error=2, The system cannot find the file specified

Question

Im just trying to test running a shell script thats in my project directory in Eclipse.

new ProcessBuilder("scripts/test.sh").start();

enter image description here

Getting this error:

java.io.IOException: Cannot run program "scripts/test.sh": CreateProcess error=2, The system cannot find the file specified

Well, if it can't find the file, it would be a good idea to try logging the current working directory... — Jon Skeet
– Jon Skeet, Commented Aug 26, 2014 at 14:16

NoDataFound · Accepted Answer · 2016-12-29 09:36:33Z

5

This could be for two reasons:

Java execute a system/exec C routine, which except a binary. test.sh is not a binary. You should probably use bash: bash -f scripts/test.sh -> new ProcessBuilder()("bash", "-f", new File("scripts/test.sh").getAbsoluteFile());
The file scripts/test.sh does not exists, meaning the current directory is not good.

You can try System.out.println(new File("scripts/test.sh").getAbsoluteFile()) to print the path Java is using.

edited Dec 29, 2016 at 9:36

answered Aug 26, 2014 at 15:16

NoDataFound

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3 Comments

somnathchakrabarti Over a year ago

Was trying to run bash script from Java application in windows and getting same error. getAbsoluteFile() enabled JVM to get the bash. Obviously, I installed Cygwin bash previously to get the absolute bash.exe file path in Windows.

somnathchakrabarti Over a year ago

String cmd="scripts/"+scriptName; String scriptFile = new File(cmd).getAbsoluteFile().getAbsolutePath(); String testcaseNo= fileName.split("\\.")[0]; try { String bashFile = PropertyFile.bashFile; ProcessBuilder processBuilder=new ProcessBuilder(bashFile,"-f",scriptFile + " " + arg0 + " " + arg1); processBuilder.redirectErrorStream(true); Process bashProcess=processBuilder.start(); bashProcess.waitFor(); } catch (IOException | InterruptedException e) { e.printStackTrace(); }

somnathchakrabarti Over a year ago

The above code worked for me. The reason as @NoDataFound stated is bash file not being found by Java

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