fixed crawler bug caused by NPE in logging

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7033 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/crawler/CrawlStacker.java

@@ -28,6 +28,7 @@
 
 package de.anomic.crawler;
 
+import java.net.InetAddress;
 import java.net.UnknownHostException;
 import java.util.Date;
 
@@ -361,9 +362,10 @@ public String urlInAcceptedDomain(final DigestURI url) {
         // check if this is a local address and we are allowed to index local pages:
         //boolean local = hostAddress.isSiteLocalAddress() || hostAddress.isLoopbackAddress();
         //assert local == yacyURL.isLocalDomain(url.hash()); // TODO: remove the dnsResolve above!
+        InetAddress ia = Domains.dnsResolve(host);
         return (local) ?
-            ("the host '" + host + "' is local, but local addresses are not accepted: " + Domains.dnsResolve(host).getHostAddress()) :
-            ("the host '" + host + "' is global, but global addresses are not accepted: " + Domains.dnsResolve(host).getHostAddress());
+            ("the host '" + host + "' is local, but local addresses are not accepted: " + ((ia == null) ? "null" : ia.getHostAddress())) :
+            ("the host '" + host + "' is global, but global addresses are not accepted: " + ((ia == null) ? "null" : ia.getHostAddress()));
     }
 
     public String urlInAcceptedDomainHash(final byte[] urlhash) {

source/de/anomic/crawler/ZURL.java

@@ -132,7 +132,7 @@ public void push(
         Entry entry = new Entry(bentry, executor, workdate, workcount, anycause);
         put(entry);
         stack.add(entry.hash());
-        Log.logInfo("URL Errors", bentry.url().toNormalform(false, false) + " - " + anycause);
+        Log.logInfo("Rejected URL", bentry.url().toNormalform(false, false) + " - " + anycause);
         while (stack.size() > maxStackSize) stack.poll();
     }