diff --git a/commons/src/main/java/org/archive/io/CrawlerJournal.java b/commons/src/main/java/org/archive/io/CrawlerJournal.java
index c2b9fa43..5f98a6a9 100644
--- a/commons/src/main/java/org/archive/io/CrawlerJournal.java
+++ b/commons/src/main/java/org/archive/io/CrawlerJournal.java
@@ -28,8 +28,11 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import java.util.zip.GZIPOutputStream;
 
+import org.apache.commons.lang.StringUtils;
 import org.archive.checkpointing.Checkpoint;
 import org.archive.util.ArchiveUtils;
 import org.archive.util.FileUtils;
@@ -41,7 +44,9 @@ import org.archive.util.FileUtils;
  * @author gojomo
  */
 public class CrawlerJournal implements Closeable {
-
+    private static final Logger LOGGER = Logger.getLogger(
+            CrawlerJournal.class.getName());
+    
     /** prefix for error lines*/
     public static final String LOG_ERROR = "E ";
     /** prefix for timestamp lines */
@@ -103,49 +108,18 @@ public class CrawlerJournal implements Closeable {
      * 
      * @param string String
      */
-    public synchronized void writeLine(String string) {
+    public synchronized void writeLine(String... strs) {
         try {
-            this.out.write(string);
+            for(String s : strs) {
+                this.out.write(s);
+            }
             this.out.write("\n");
             noteLine();
         } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-
-    /**
-     * Write a line of two strings
-     * 
-     * @param s1 String
-     * @param s2 String
-     */
-    public synchronized void writeLine(String s1, String s2) {
-        try {
-            this.out.write(s1);
-            this.out.write(s2);
-            this.out.write("\n");
-            noteLine();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-    
-    /**
-     * Write a line of three strings
-     * 
-     * @param s1 String
-     * @param s2 String
-     * @param s3 String
-     */
-    public synchronized void writeLine(String s1, String s2, String s3) {
-        try {
-            this.out.write(s1);
-            this.out.write(s2);
-            this.out.write(s3);
-            this.out.write("\n");
-            noteLine();
-        } catch (IOException e) {
-            e.printStackTrace();
+            LOGGER.log(
+                Level.SEVERE,
+                "problem writing journal line: "+StringUtils.join(strs), 
+                e);
         }
     }
 
@@ -163,7 +137,7 @@ public class CrawlerJournal implements Closeable {
             this.out.write("\n");
             noteLine();
         } catch (IOException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE,"problem writing journal line: "+mstring, e);
         }
     }
 
@@ -202,7 +176,7 @@ public class CrawlerJournal implements Closeable {
             this.out.close();
             this.out = null;
         } catch (IOException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE,"problem closing journal", e);
         }
     }
 
diff --git a/commons/src/main/java/org/archive/util/ArchiveUtils.java b/commons/src/main/java/org/archive/util/ArchiveUtils.java
index e4ab9b55..414ca905 100644
--- a/commons/src/main/java/org/archive/util/ArchiveUtils.java
+++ b/commons/src/main/java/org/archive/util/ArchiveUtils.java
@@ -545,16 +545,6 @@ public class ArchiveUtils {
      * @return Human readable string version of passed <code>time</code>
      */
     public static String formatMillisecondsToConventional(long time) {
-        return formatMillisecondsToConventional(time,true);
-    }
-    
-    /**
-     * Convert milliseconds value to a human-readable duration
-     * @param time
-     * @param toMs ignored
-     * @return Human readable string version of passed <code>time</code>
-     */
-    public static String formatMillisecondsToConventional(long time, boolean toMs) {
         return formatMillisecondsToConventional(time,5);
     }
         
diff --git a/engine/src/main/java/org/archive/crawler/framework/CrawlJob.java b/engine/src/main/java/org/archive/crawler/framework/CrawlJob.java
index 1e95d974..015f0734 100644
--- a/engine/src/main/java/org/archive/crawler/framework/CrawlJob.java
+++ b/engine/src/main/java/org/archive/crawler/framework/CrawlJob.java
@@ -802,7 +802,7 @@ public class CrawlJob implements Comparable<CrawlJob>, ApplicationListener {
             return "<i>n/a</i>";
         }
         long timeElapsed = stats.getCrawlElapsedTime();
-        return ArchiveUtils.formatMillisecondsToConventional(timeElapsed,false);
+        return ArchiveUtils.formatMillisecondsToConventional(timeElapsed);
     }
 
     public Map<String,Object> threadReportData() {
diff --git a/engine/src/main/java/org/archive/crawler/frontier/FrontierJournal.java b/engine/src/main/java/org/archive/crawler/frontier/FrontierJournal.java
index bdfc35ab..9e0e6432 100644
--- a/engine/src/main/java/org/archive/crawler/frontier/FrontierJournal.java
+++ b/engine/src/main/java/org/archive/crawler/frontier/FrontierJournal.java
@@ -164,8 +164,7 @@ public class FrontierJournal extends CrawlerJournal {
             // wait until at least ENOUGH_TO_START_CRAWLING URIs queued
             recoveredEnough.await();
         } catch (InterruptedException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
+            LOGGER.log(Level.WARNING,"interrupted",e);
         }
     }
     
@@ -219,7 +218,7 @@ public class FrontierJournal extends CrawlerJournal {
                             newJournal.writeLine(read);
                         }
                     } catch (URIException e) {
-                        e.printStackTrace();
+                        LOGGER.log(Level.WARNING,"bad hopsViaString: "+read.substring(3),e);
                     }
                 }
                 if((lines%PROGRESS_INTERVAL)==0) {
@@ -328,8 +327,7 @@ public class FrontierJournal extends CrawlerJournal {
         	    br.close(); 
             }
         } catch (IOException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
+            LOGGER.log(Level.WARNING,"problem importQueuesFromLog",e);
         }
         LOGGER.info("finished recovering frontier from "+source+" "
                 +qLines+" lines processed");