WebJobJar.cs

using Microsoft.Azure.WebJobs;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;

namespace TestWebjob
{
    public class Functions
    {
        // This function will get triggered/executed when a new message is written 
        // on an Azure Queue called queue.
        public static void ProcessQueueMessage([QueueTrigger("webjobtestq")] string message, TextWriter log)
        {
            try
            {
                var javaHome = Environment.GetEnvironmentVariable("JAVA_HOME");
                ProcessStartInfo psi = new ProcessStartInfo(javaHome + "\\bin\\java", string.Concat(" -jar .\\App_Data\\AzureWebjobJar.jar ", message))
                {
                    CreateNoWindow = true,
                    UseShellExecute = false,
                    RedirectStandardOutput = true
                };
      
                Process javaProcess = Process.Start(psi);
                string theOutput = javaProcess.StandardOutput.ReadToEnd();
                javaProcess.WaitForExit();

                //code to craft email of output omitted
            }
            catch (Exception ex)
            {
                //code to craft email of exception omitted
            }
        }
    }
}