title: Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
body: <p>I am trying to call python script from Java. Python version is 2.7.8</p>
  
  <pre><code>    // set up the command and parameter
      String pythonScriptPath = "C://Python27//ArcGIS10.3//helloPython.py";
      String[] cmd = new String[2];
      cmd[0] = "python";
      cmd[1] = pythonScriptPath;
  
      // create runtime to execute external command
      Runtime rt = Runtime.getRuntime();
      Process pr = rt.exec(cmd);
  </code></pre>
  
  <p>where path of python.exe is C://Python27//ArcGIS10.3// which is already stored as path variable in windows still last line giving me above exception. I checked other solutions but didn't seem to work. Can you please help me resolving issue?</p>