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POKilling Java Process from C# Console App
 

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    <p>I posted about this a little while ago, but I resolved the other issue and ran into one more. I am about to deploy this program to 28 hosting machines so I want to make sure this is working before I do so.</p> <p>I wrote a little c# NET application that is basically a wrapper for a Java application, when my app starts, the Java app starts, when my app closes, it closes, and so on.</p> <p>Everything works properly except that when I close my application, the Java application continues to run. When I create the process, I store the Process var in a variable outside of the methods, and then use that when my application goes to shutdown. For whatever reason though it is not terminating the Java application.</p> <pre><code>class Program { private static Process minecraftProcess; public static void LaunchMinecraft(String file, String memoryValue) { String memParams = "-Xmx" + memoryValue + "M" + " -Xms" + memoryValue + "M "; String args = memParams + "-jar " + file + " nogui"; ProcessStartInfo processInfo = new ProcessStartInfo("java.exe", args); processInfo.CreateNoWindow = true; processInfo.UseShellExecute = false; try { //using (Process minecraftProcess = Process.Start(processInfo)) using (minecraftProcess = Process.Start(processInfo)) { minecraftProcess.WaitForExit(); } } catch { // Log Error } } static void Main(string[] args) { Arguments CommandLine = new Arguments(args); // Hook ProcessExit Event AppDomain.CurrentDomain.ProcessExit += new EventHandler(Current_ProcessExit); if (CommandLine["file"] != null &amp;&amp; CommandLine["memory"] != null) { // Launch the Application (Command Line Parameters) LaunchMinecraft(CommandLine["file"], CommandLine["memory"]); } else { // Launch the Application (Default Parameters) LaunchMinecraft("minecraft_server.jar", "1024"); } } static void Current_ProcessExit(object sender, EventArgs e) { System.Threading.Thread.Sleep(10000); // If we have an active Minecraft Service, Shut it down if (minecraftProcess != null) { minecraftProcess.Kill(); } } } </code></pre>
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    1. USMichael Pfiffer
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    1. COIf you put a breakpoint onto the minecraftProcess.Kill() line does it break there? If it does execute does it execute cleanly i.e. with no exceptions
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    2. COIt looks like the Process "minecraftProcess" is null. Is there a better way I can keep that around to use?
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      1. USMichael Pfiffer
    3. COActually it looks like the return value of Process.Start() is a boolean, not the actual process itself so that makes sense now. Do you know how I can get the ID of the one I created though since I will have more than one running?
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