more logging for new EcoFS.ChunkIterator to find bug for

http://forum.yacy-websuche.de/viewtopic.php?f=6&t=1024&hilit=&p=6806#p6806

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4652 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/kelondro/kelondroEcoFS.java

@@ -552,6 +552,7 @@ public class kelondroEcoFS {
             try {
                 return stream != null && stream.available() > 0;
             } catch (IOException e) {
+                e.printStackTrace();
                 return false;
             }
         }
@@ -571,6 +572,7 @@ public class kelondroEcoFS {
                 }
                 return chunk;
             } catch (IOException e) {
+                e.printStackTrace();
                 this.stream = null;
                 return null;
             }

source/de/anomic/kelondro/kelondroEcoTable.java

@@ -41,7 +41,7 @@ import de.anomic.kelondro.kelondroRow.Entry;
 import de.anomic.server.serverMemory;
 
 /*
- * The EcoIndex builts upon the EcoFS and tries to reduce the number of IO requests that the
+ * The EcoIndex builds upon the EcoFS and tries to reduce the number of IO requests that the
  * EcoFS must do to a minimum. In best cases, no IO has to be done for read operations (complete database shadow in RAM)
  * and a rare number of write IO operations must be done for a large number of table-writings (using the write buffer of EcoFS)
  * To make the EcoIndex scalable in question of available RAM, there are two elements that must be scalable: