diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererAbstract.java b/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererAbstract.java
index 2ccfc997fb4706ae3fa5f1bf2a2540b688a1d277..0df9f8aaad0dcfae8579c743573258a62ad8e1e0 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererAbstract.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererAbstract.java
@@ -1,19 +1,12 @@
 package info.textgrid.middleware;
 
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
-import java.io.InputStream;
 import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.Hashtable;
 import java.util.List;
 import java.util.Map;
-import java.util.Properties;
-
-//import javax.swing.plaf.synth.SynthSpinnerUI;
-
-import org.apache.commons.logging.LogFactory;
+import java.util.logging.Logger;
 import org.elasticsearch.action.search.SearchRequest;
 import org.elasticsearch.action.search.SearchResponse;
 import org.elasticsearch.action.search.SearchScrollRequest;
@@ -23,29 +16,28 @@ import org.elasticsearch.index.query.QueryBuilder;
 import org.elasticsearch.index.query.QueryBuilders;
 import org.elasticsearch.search.SearchHit;
 import org.elasticsearch.search.builder.SearchSourceBuilder;
-
+import info.textgrid.middleware.common.TextGridMimetypes;
 import info.textgrid.middleware.oaipmh.ListIdentifiersType;
 import info.textgrid.middleware.oaipmh.RequestType;
 import info.textgrid.middleware.oaipmh.ResumptionTokenType;
-import info.textgrid.middleware.common.TextGridMimetypes;
 
 /**
  *
  */
 public abstract class IdentifierListDelivererAbstract implements IdentifierListDelivererInterface {
 
+  private static Logger log = Logger.getLogger(IdentifierListDelivererAbstract.class.getName());
+
   protected boolean textgrid;
   protected boolean dariah;
   private boolean foundItems;
   private long resultSize;
   private int searchResponseSize;
   public String rangeField;
-  
+
   protected static Map<String, Integer> cursorCollector = new Hashtable<String, Integer>();
   public ResumptionTokenType resTokenForResponse;
-  
-  private static org.apache.commons.logging.Log log = LogFactory.getLog(RecordListDelivererAbstract.class);
-  
+
   /**
    * @param textgrid
    * @param dariah
@@ -67,7 +59,7 @@ public abstract class IdentifierListDelivererAbstract implements IdentifierListD
     return null;
   }
 
-  
+
   /**
    * @param from
    * @param until
@@ -76,48 +68,47 @@ public abstract class IdentifierListDelivererAbstract implements IdentifierListD
    * @return
    * @throws IOException
    */
-  public List<String> getUriListOfAllEditions(String from, String until, String set, String resumptionToken) throws IOException {
-  	
-     /* InputStream input = null;
-		try {
-			input = new FileInputStream("/etc/dhrep/oaipmh/oaipmh.properties");
-		} catch (FileNotFoundException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-
-      Properties prop = new Properties();
-      prop.load(input);*/	
-		
-      QueryBuilder query;
-      
-      System.out.println("FROM: " + from);
-      System.out.println("TO: " + until);
-      
-      QueryBuilder rangeQuery = QueryBuilders.rangeQuery("created").from(from).to(until);
-      QueryBuilder filterSandBox = QueryBuilders.matchPhraseQuery("nearlyPublished", "true");
-    	if(set!=null) {
-    		String[] setParts = set.split(":");
-    		
-          String queryField = "";
-          String valueField = "";
-    		
-          if (setParts[0].equals(TGConstants.SET_FIELD_FOR_TEXTGRID)) {
-              queryField = TGConstants.PROJECT_ID_FOR_TEXTGRID;          
-              valueField = setParts[1];
-          }
-          System.out.println("");
-          QueryBuilder matchQuery = QueryBuilders.matchPhraseQuery(queryField, valueField);
-          QueryBuilder boolQuery = QueryBuilders.boolQuery().must(rangeQuery).must(matchQuery).mustNot(filterSandBox);
-          
-          query = boolQuery;
-      }else {
-    	  query = QueryBuilders.boolQuery().must(rangeQuery).mustNot(filterSandBox);
-      }  	
-    	
-    	return getConentFromESIndex(query, resumptionToken, set);
+  public List<String> getUriListOfAllEditions(String from, String until, String set,
+      String resumptionToken) throws IOException {
+
+    /*
+     * InputStream input = null; try { input = new
+     * FileInputStream("/etc/dhrep/oaipmh/oaipmh.properties"); } catch (FileNotFoundException e) {
+     * // TODO Auto-generated catch block e.printStackTrace(); }
+     * 
+     * Properties prop = new Properties(); prop.load(input);
+     */
+
+    QueryBuilder query;
+
+    log.fine("FROM: " + from);
+    log.fine("TO: " + until);
+
+    QueryBuilder rangeQuery = QueryBuilders.rangeQuery("created").from(from).to(until);
+    QueryBuilder filterSandBox = QueryBuilders.matchPhraseQuery("nearlyPublished", "true");
+    if (set != null) {
+      String[] setParts = set.split(":");
+
+      String queryField = "";
+      String valueField = "";
+
+      if (setParts[0].equals(TGConstants.SET_FIELD_FOR_TEXTGRID)) {
+        queryField = TGConstants.PROJECT_ID_FOR_TEXTGRID;
+        valueField = setParts[1];
+      }
+      System.out.println("");
+      QueryBuilder matchQuery = QueryBuilders.matchPhraseQuery(queryField, valueField);
+      QueryBuilder boolQuery =
+          QueryBuilders.boolQuery().must(rangeQuery).must(matchQuery).mustNot(filterSandBox);
+
+      query = boolQuery;
+    } else {
+      query = QueryBuilders.boolQuery().must(rangeQuery).mustNot(filterSandBox);
     }
-  
+
+    return getConentFromESIndex(query, resumptionToken, set);
+  }
+
   /**
    * @param query
    * @param resumptionToken
@@ -126,92 +117,91 @@ public abstract class IdentifierListDelivererAbstract implements IdentifierListD
    * @throws IOException
    */
   private List<String> getConentFromESIndex(QueryBuilder query, String resumptionToken,
-	      String set) throws IOException {
-  	
-	  List<String> uriList = new ArrayList<String>();
-	  QueryBuilder recordFilter = QueryBuilders.boolQuery().must(query)
-	          .must(QueryBuilders.matchPhraseQuery(TGConstants.FORMAT, TextGridMimetypes.EDITION));
-	  
-	  SearchRequest searchRequest = new SearchRequest(OAI_ESClient.getEsIndex());
-	  SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
-      
-	  /*  InputStream input = null;
-		try {
-			input = new FileInputStream("/etc/dhrep/oaipmh/oaipmh.properties");
-		} catch (FileNotFoundException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
-		}
-
-      Properties prop = new Properties();
-      prop.load(input);*/
-      
-	  searchSourceBuilder.query(recordFilter);
-	  searchSourceBuilder.size(100);
-	  searchRequest.source(searchSourceBuilder);
-	  
-	  SearchResponse scrollResp = new SearchResponse();
-	  
-	  if (resumptionToken != null) {
-		  SearchScrollRequest scrollRequest = new SearchScrollRequest(resumptionToken);
-	      scrollRequest.scroll(TimeValue.timeValueHours(24L));
-	      
-	  	try {
-	        scrollResp = OAI_ESClient.getEsClient().scroll(scrollRequest, RequestOptions.DEFAULT);
-	      } catch (IOException e) {
-	        // TODO Auto-generated catch block
-	        e.printStackTrace();
-	      }
-	  } else {
-	      searchRequest.source(searchSourceBuilder);
-	      searchRequest.scroll(TimeValue.timeValueHours(24L));
-	      try {	    	  
-	        scrollResp = OAI_ESClient.getEsClient().search(searchRequest,RequestOptions.DEFAULT);
-	      } catch (IOException e) {
-	        // TODO Auto-generated catch block
-	        e.printStackTrace();
-	      }
-	    }
-	  
-	  String scrollID = scrollResp.getScrollId(); 
-	  long completeListSize = scrollResp.getHits().totalHits;
-	  setResultSize(completeListSize);
-	  
-	  if (completeListSize > 0) {
-		  
-		  setFoundItems(true);
-		  int i=0;
-		  
-		  for (SearchHit hit : scrollResp.getHits().getHits()) {
-			  i++;
-			  if (hit != null && hit.getFields() != null) {
-				  uriList.add(hit.getSourceAsMap().get(TGConstants.URI).toString());				  
-			  }
-		  }
-		  
-			 if(resumptionToken!=null && resTokenForResponse.getCursor().intValue()>=completeListSize) {
-				 try{
-					 cursorCollector.remove(resumptionToken);
-				 }catch(NullPointerException couldNotRemove) {
-					 log.info("Could net remove hash value: " + resumptionToken + " from hash map");
-				 }			
-				resTokenForResponse.setValue("");			
-			 }else {
-				 
-			     resTokenForResponse = OAIPMHUtilities.getResumptionToken(
-			              completeListSize, resumptionToken, cursorCollector, scrollID, this.searchResponseSize, i);
-			 }
-
-	  }else {
-		  setFoundItems(false);
-	  }
-	  
-	  
-	  return uriList;
-  
+      String set) throws IOException {
+
+    List<String> uriList = new ArrayList<String>();
+    QueryBuilder recordFilter = QueryBuilders.boolQuery().must(query)
+        .must(QueryBuilders.matchPhraseQuery(TGConstants.FORMAT, TextGridMimetypes.EDITION));
+
+    SearchRequest searchRequest = new SearchRequest(OAI_ESClient.getEsIndex());
+    SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
+
+    /*
+     * InputStream input = null; try { input = new
+     * FileInputStream("/etc/dhrep/oaipmh/oaipmh.properties"); } catch (FileNotFoundException e) {
+     * // TODO Auto-generated catch block e.printStackTrace(); }
+     * 
+     * Properties prop = new Properties(); prop.load(input);
+     */
+
+    searchSourceBuilder.query(recordFilter);
+    searchSourceBuilder.size(100);
+    searchRequest.source(searchSourceBuilder);
+
+    SearchResponse scrollResp = new SearchResponse();
+
+    if (resumptionToken != null) {
+      SearchScrollRequest scrollRequest = new SearchScrollRequest(resumptionToken);
+      scrollRequest.scroll(TimeValue.timeValueHours(24L));
+
+      try {
+        scrollResp = OAI_ESClient.getEsClient().scroll(scrollRequest, RequestOptions.DEFAULT);
+      } catch (IOException e) {
+        // TODO Auto-generated catch block
+        e.printStackTrace();
+      }
+    } else {
+      searchRequest.source(searchSourceBuilder);
+      searchRequest.scroll(TimeValue.timeValueHours(24L));
+      try {
+        scrollResp = OAI_ESClient.getEsClient().search(searchRequest, RequestOptions.DEFAULT);
+      } catch (IOException e) {
+        // TODO Auto-generated catch block
+        e.printStackTrace();
+      }
+    }
+
+    String scrollID = scrollResp.getScrollId();
+    long completeListSize = scrollResp.getHits().totalHits;
+    setResultSize(completeListSize);
+
+    if (completeListSize > 0) {
+
+      setFoundItems(true);
+      int i = 0;
+
+      for (SearchHit hit : scrollResp.getHits().getHits()) {
+        i++;
+        if (hit != null && hit.getFields() != null) {
+          uriList.add(hit.getSourceAsMap().get(TGConstants.URI).toString());
+        }
+      }
+
+      if (resumptionToken != null
+          && resTokenForResponse.getCursor().intValue() >= completeListSize) {
+        try {
+          cursorCollector.remove(resumptionToken);
+        } catch (NullPointerException couldNotRemove) {
+          log.info("Could net remove hash value: " + resumptionToken + " from hash map");
+        }
+        resTokenForResponse.setValue("");
+      } else {
+
+        resTokenForResponse = OAIPMHUtilities.getResumptionToken(
+            completeListSize, resumptionToken, cursorCollector, scrollID, this.searchResponseSize,
+            i);
+      }
+
+    } else {
+      setFoundItems(false);
+    }
+
+
+    return uriList;
+
   }
-  
-  
+
+
   /**
    * @param request
    * @return
@@ -234,15 +224,15 @@ public abstract class IdentifierListDelivererAbstract implements IdentifierListD
     // Check if resumptionToken is invalid or existing.
     if (request.getResumptionToken() != null) {
       boolean restokDCExisting = IdentifierListDelivererDC.cursorCollector != null
-              && IdentifierListDelivererDC.cursorCollector.containsKey(request.getResumptionToken());    		  
+          && IdentifierListDelivererDC.cursorCollector.containsKey(request.getResumptionToken());
       boolean restokIDIOMExisting = IdentifierListDelivererIDIOM.cursorCollector != null
-              && IdentifierListDelivererDC.cursorCollector.containsKey(request.getResumptionToken());
+          && IdentifierListDelivererDC.cursorCollector.containsKey(request.getResumptionToken());
       boolean restok = cursorCollector != null
-              && cursorCollector.containsKey(request.getResumptionToken());
-      
-       if (!restokDCExisting && !restokIDIOMExisting && !restok) {
-    	  
-    	  result.setError(TGConstants.OAI_BAD_RESUMPTION_TOKEN, "The value of the "
+          && cursorCollector.containsKey(request.getResumptionToken());
+
+      if (!restokDCExisting && !restokIDIOMExisting && !restok) {
+
+        result.setError(TGConstants.OAI_BAD_RESUMPTION_TOKEN, "The value of the "
             + request.getResumptionToken() + " argument is invalid or expired.");
       }
     }
@@ -263,36 +253,36 @@ public abstract class IdentifierListDelivererAbstract implements IdentifierListD
     return result;
   }
 
-	public boolean isFoundItems() {
-		return foundItems;
-	}
-
-	public void setFoundItems(boolean foundItems) {
-		this.foundItems = foundItems;
-	}
-	
-	public long getResultSize() {
-		return resultSize;
-	}
-
-	public void setResultSize(long resultSize) {
-		this.resultSize = resultSize;
-	}
-	
-	public ResumptionTokenType getResTokenForResponse() {
-		return resTokenForResponse;
-	}
-
-	public void setResTokenForResponse(ResumptionTokenType resTokenForResponse) {
-		this.resTokenForResponse = resTokenForResponse;
-	}
-  
-	public String getRangeField() {
-		return rangeField;
-	}
-	
-	public void setRangeField(String rangeField) {
-		this.rangeField = rangeField;
-	}
-  
+  public boolean isFoundItems() {
+    return foundItems;
+  }
+
+  public void setFoundItems(boolean foundItems) {
+    this.foundItems = foundItems;
+  }
+
+  public long getResultSize() {
+    return resultSize;
+  }
+
+  public void setResultSize(long resultSize) {
+    this.resultSize = resultSize;
+  }
+
+  public ResumptionTokenType getResTokenForResponse() {
+    return resTokenForResponse;
+  }
+
+  public void setResTokenForResponse(ResumptionTokenType resTokenForResponse) {
+    this.resTokenForResponse = resTokenForResponse;
+  }
+
+  public String getRangeField() {
+    return rangeField;
+  }
+
+  public void setRangeField(String rangeField) {
+    this.rangeField = rangeField;
+  }
+
 }
diff --git a/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererDC.java b/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererDC.java
index bcf678f9c805910ae011cfd41dcb75ca85c633b8..528eeddf8e78619b76a9bb7f50688ddea030e100 100644
--- a/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererDC.java
+++ b/oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererDC.java
@@ -4,8 +4,8 @@ import java.io.IOException;
 import java.text.ParseException;
 import java.util.Hashtable;
 import java.util.Map;
+import java.util.logging.Logger;
 import javax.xml.datatype.DatatypeConfigurationException;
-import org.apache.commons.logging.LogFactory;
 import org.elasticsearch.action.search.SearchRequest;
 import org.elasticsearch.action.search.SearchResponse;
 import org.elasticsearch.action.search.SearchScrollRequest;
@@ -18,10 +18,10 @@ import org.elasticsearch.index.query.QueryBuilders;
 import org.elasticsearch.search.SearchHit;
 import org.elasticsearch.search.builder.SearchSourceBuilder;
 import org.elasticsearch.search.fetch.subphase.FetchSourceContext;
+import info.textgrid.middleware.common.TextGridMimetypes;
 import info.textgrid.middleware.oaipmh.HeaderType;
 import info.textgrid.middleware.oaipmh.ListIdentifiersType;
 import info.textgrid.middleware.oaipmh.ResumptionTokenType;
-import info.textgrid.middleware.common.TextGridMimetypes;
 
 
 /**
@@ -36,8 +36,8 @@ import info.textgrid.middleware.common.TextGridMimetypes;
 
 public class IdentifierListDelivererDC extends IdentifierListDelivererAbstract {
 
-  private static org.apache.commons.logging.Log log =
-      LogFactory.getLog(IdentifierListDelivererDC.class);
+  private static Logger log = Logger.getLogger(IdentifierListDelivererDC.class.getName());
+
   public static Map<String, Integer> cursorCollector = new Hashtable<String, Integer>();
 
   private String datestamp;
@@ -163,22 +163,22 @@ public class IdentifierListDelivererDC extends IdentifierListDelivererAbstract {
     long size = listFurtherValues.getHits().totalHits;
     setResultSize(size);
 
-    log.debug("  ##  hits  -->  " + size);
+    log.fine("  ##  hits  -->  " + size);
 
     for (SearchHit hit : listFurtherValues.getHits().getHits()) {
       i++;
 
-      log.debug("  ##  hit  -->  " + hit.getId());
+      log.fine("  ##  hit  -->  " + hit.getId());
 
       if (this.textgrid) {
         // hit.getSourceAsMap().get(this.dateOfObjectCreation).toString();
         String datestamp = hit.getSourceAsMap().get(this.dateOfObjectCreation).toString();
         try {
           datestamp = OAIPMHUtilities.convertDateFormat(datestamp).toXMLFormat();
-        } catch (ParseException e1) {
-          log.debug(e1);
-        } catch (DatatypeConfigurationException e1) {
-          log.debug(e1);
+        } catch (ParseException e) {
+          log.severe(e.getMessage());
+        } catch (DatatypeConfigurationException e) {
+          log.severe(e.getMessage());
         }
         String identifier = hit.getSourceAsMap().get(this.identifierField).toString();
         lit = setListIdentifierHeader(datestamp, identifier, lit, set);
@@ -190,10 +190,10 @@ public class IdentifierListDelivererDC extends IdentifierListDelivererAbstract {
         try {
           this.datestamp = hit.getSourceAsMap().get(this.dateOfObjectCreation).toString();
           this.datestamp = OAIPMHUtilities.convertDateFormat(this.datestamp).toXMLFormat();
-        } catch (ParseException e1) {
-          log.debug(e1);
-        } catch (DatatypeConfigurationException e1) {
-          log.debug(e1);
+        } catch (ParseException e) {
+          log.severe(e.getMessage());
+        } catch (DatatypeConfigurationException e) {
+          log.severe(e.getMessage());
         }
 
         String identifier = hit.getSourceAsMap().get(this.identifierField).toString();