Created initial shutdown hook that does nothing

src/helma/main/HelmaShutdownHook.java

@@ -0,0 +1,20 @@
+// HelmaShutdownHook.java
+package helma.main;
+
+/**
+ * ShutdownHook that shuts down all running Helma applications on exit.
+ */
+public class HelmaShutdownHook extends Thread {
+
+    ApplicationManager appmgr;
+
+    public HelmaShutdownHook (ApplicationManager appmgr) {
+	this.appmgr = appmgr;
+    }
+
+    public void run () {
+	System.err.print ("Shutting down Helma...");
+	System.err.println ("done");
+    }
+
+}

src/helma/main/Server.java

@@ -356,12 +356,13 @@ import org.apache.xmlrpc.*;
 	        LocateRegistry.createRegistry (rmiPort);
 	    }
 
-
 	    // create application manager
 	    appManager = new ApplicationManager (rmiPort, hopHome, appsProps, this);
 	    if (xmlrpc != null)
 	        xmlrpc.addHandler ("$default", appManager);
 
+	    // add shutdown hook to close running apps and servers on exit
+	    Runtime.getRuntime().addShutdownHook (new HelmaShutdownHook(appManager));
 
 	} catch (Exception gx) {
 	    getLogger().log ("Error initializing embedded database: "+gx);