avoid forced execution of InetAddress.getLocalHost() at startup, because that hangs at some strangely declared linux configurations. The Domains.localHostAddresses object is first instantiated with a more simple logic and enriched with more host addresses using a concurrent thread that will not block a startup process.

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6482 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/net/yacy/kelondro/util/Domains.java

@@ -522,14 +522,25 @@ public class Domains {
     public static String localHostName; 
     public static InetAddress[] localHostAddresses;
     static {
+        localHostName = "127.0.0.1";
         try {
-            localHostAddress = InetAddress.getByName("127.0.0.1");
+            localHostAddress = InetAddress.getByName(localHostName);
         } catch (UnknownHostException e1) {}
+        try {
+            localHostAddresses = InetAddress.getAllByName(localHostName);
+        } catch (UnknownHostException e) {
+            localHostAddresses = new InetAddress[0];
+        }
+        new localHostAddressLookup().start();
+    }
+    
+    public static class localHostAddressLookup extends Thread {
+        public void run() {
             try {
                 localHostAddress = InetAddress.getLocalHost();
                 localHostName = localHostAddress.getHostName();
             } catch (UnknownHostException e) {
-            localHostName = "localhost";
+                localHostName = "127.0.0.1";
             }
             try {
                 localHostAddresses = InetAddress.getAllByName(localHostName);
@@ -537,6 +548,7 @@ public class Domains {
                 localHostAddresses = new InetAddress[0];
             }
         }
+    }
     
     public static InetAddress myPublicLocalIP() {
         // list all addresses