more logging, more care about OOMs

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7503 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/net/yacy/document/SnippetExtractor.java

@@ -166,7 +166,7 @@ public class SnippetExtractor {
                 assert maxpos >= minpos;
                 final int newlen = Math.max(10, maxpos - minpos + 10);
                 final int around = (maxLength - newlen) / 2;
-                assert minpos - around < sentence.length() : "maxpos = " + maxpos + ", minpos = " + minpos + ", around = " + around + ", sentence.length() = " + sentence.length(); //maxpos = 435, minpos = 17, around = -124, sentence.length() = 44
+                assert minpos - around < sentence.length() : "maxpos = " + maxpos + ", minpos = " + minpos + ", around = " + around + ", sentence.length() = " + sentence.length() + ", maxLength = " + maxLength + ", newlen = " + newlen; //maxpos = 435, minpos = 17, around = -124, sentence.length() = 44
                 sentence = "[..] " + sentence.substring(minpos - around, ((maxpos + around) > sentence.length()) ? sentence.length() : (maxpos + around)).trim() + " [..]";
                 minpos = around;
                 maxpos = sentence.length() - around - 5;

source/net/yacy/document/parser/html/ContentScraper.java

@@ -354,6 +354,9 @@ public class ContentScraper extends AbstractScraper implements Scraper {
             return content.getBytes(charSet);
         } catch (final UnsupportedEncodingException e) {
             return content.getBytes();
+        } catch (final OutOfMemoryError e) {
+            Log.logException(e);
+            return new byte[0];
         }
     }