Question

I am trying to write Java code to run wget to retrieve an image from a server

I believe that I have wget properly installed. If I type:

wget http://insitu.fruitfly.org/insitu_image_storage/img_dir_38/insitu38795.jpe

I find the image in my user account folder.

The following Java code was working properly on Ubuntu, but I had to move the project over to OSX (Mountain Lion)

import java.io.*;
import java.io.IOException;

public class runWget
{

  public static void main (String args[])
  {
    String whatToRun = "wget     http://insitu.fruitfly.org/insitu_image_storage/img_dir_38/insitu38795.jpe";
   try
   {
     Runtime rt = Runtime.getRuntime();
     Process proc = rt.exec(whatToRun);
     int exitVal = proc.waitFor();
     System.out.println("Process exitValue:" + exitVal);
   } catch (Throwable t)
     {
       t.printStackTrace();
     }
  }
}

When I try to run it on OSX, I get the runtime error:

java.io.IOException: Cannot run program “wget”: error=2, No such file
or directory

I would greatly appreciate if someone could tell me what I am doing wrong.

Answer 1

If wget is indeed installed on your OS X system, then try to specify the full path to it.

Try:

which wget

from the command line, then use that fully qualified path in your Java application.

String whatToRun = "/usr/local/bin/wget http://insitu.fruitfly.org/insitu_image_storage/img_dir_38/insitu38795.jpe";