fixed bug with double-check in crawler

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4269 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/index/indexRAMRI.java

@@ -389,7 +389,8 @@ public final class indexRAMRI implements indexRI {
     }
     
     public int sizeContainer(String wordHash) {
-        return ((indexContainer) cache.get(wordHash)).size();
+        indexContainer c = (indexContainer) cache.get(wordHash);
+        return (c == null) ? 0 : c.size();
     }
 
     public synchronized indexContainer getContainer(String wordHash, Set urlselection) {

source/de/anomic/plasma/plasmaCrawlProfile.java

@@ -354,7 +354,7 @@ public class plasmaCrawlProfile {
                 long l = Long.parseLong(r) * 60000L;
                 return (l < 0) ? Long.MAX_VALUE : l;
             } catch (NumberFormatException e) {
-                return 0;
+                return Long.MAX_VALUE;
             }
         }
         public int domFilterDepth() {

source/de/anomic/plasma/plasmaCrawlStacker.java

@@ -457,12 +457,17 @@ public final class plasmaCrawlStacker extends Thread {
         String dbocc = sb.crawlQueues.urlExists(entry.url().hash());
         indexURLEntry oldEntry = this.sb.wordIndex.loadedURL.load(entry.url().hash(), null, 0);
         boolean recrawl = (oldEntry != null) && ((System.currentTimeMillis() - oldEntry.loaddate().getTime()) > profile.recrawlIfOlder());
-        // apply recrawl rule
-        if ((dbocc != null) && (!(recrawl))) {
+        // do double-check
+        if ((dbocc != null) && (!recrawl)) {
             reason = plasmaCrawlEURL.DOUBLE_REGISTERED + dbocc + ")";
             this.log.logFine("URL '" + entry.url().toString() + "' is double registered in '" + dbocc + "'. " + "Stack processing time: " + (System.currentTimeMillis()-startTime) + "ms");
             return reason;
         }
+        if ((oldEntry != null) && (!recrawl)) {
+            reason = plasmaCrawlEURL.DOUBLE_REGISTERED + "LURL)";
+            this.log.logFine("URL '" + entry.url().toString() + "' is double registered in 'LURL'. " + "Stack processing time: " + (System.currentTimeMillis()-startTime) + "ms");
+            return reason;
+        }
 
         // show potential re-crawl
         if (recrawl) {