how to call the jar file in vb.net 2010 web application

public void GetJar()
      {
          string output;
          string errorout;
          string path = "C:\\PATTU";
          Process process = new Process();
          process.EnableRaisingEvents = false;
          process.StartInfo.FileName = "java.exe";
          process.StartInfo.Arguments = "-jar " + '"' + path + "\\Addition.jar";
          process.Start();

          output = process.StandardOutput.ReadToEnd();
          errorout = process.StandardError.ReadToEnd();

          richTextBox1.Text = output;

      }