diff --git a/commons/src/main/java/org/archive/io/WriterPoolMember.java b/commons/src/main/java/org/archive/io/WriterPoolMember.java
index 6d4ca775..11c9c978 100644
--- a/commons/src/main/java/org/archive/io/WriterPoolMember.java
+++ b/commons/src/main/java/org/archive/io/WriterPoolMember.java
@@ -227,7 +227,7 @@ public abstract class WriterPoolMember implements ArchiveFileConstants {
         this.f = file;
         this.fos = new FileOutputStream(this.f);
         this.out = new FastBufferedOutputStream(this.fos);
-        logger.info("Opened " + this.f.getAbsolutePath());
+        logger.fine("Opened " + this.f.getAbsolutePath());
         return this.f.getName();
     }
     
@@ -492,7 +492,7 @@ public abstract class WriterPoolMember implements ArchiveFileConstants {
                 this.f = f;
             }
             
-            logger.info("Closed " + this.f.getAbsolutePath() +
+            logger.fine("Closed " + this.f.getAbsolutePath() +
                     ", size " + this.f.length());
         }
     }
diff --git a/commons/src/main/java/org/archive/spring/PathSharingContext.java b/commons/src/main/java/org/archive/spring/PathSharingContext.java
index 3c4a927b..b95a8662 100644
--- a/commons/src/main/java/org/archive/spring/PathSharingContext.java
+++ b/commons/src/main/java/org/archive/spring/PathSharingContext.java
@@ -24,6 +24,7 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.Map;
+import java.util.logging.Logger;
 
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
@@ -53,6 +54,9 @@ import org.springframework.validation.Validator;
  * @contributor gojomo
  */
 public class PathSharingContext extends FileSystemXmlApplicationContext {
+    private static Logger LOGGER =
+        Logger.getLogger(PathSharingContext.class.getName());
+
 
     public PathSharingContext(String configLocation) throws BeansException {
         super(configLocation);
@@ -204,13 +208,11 @@ public class PathSharingContext extends FileSystemXmlApplicationContext {
                 allErrors.put(name,errors);
             }
         }
-        System.err.println("===errors===");
         for(String name : allErrors.keySet()) {
             for(Object obj : allErrors.get(name).getAllErrors()) {
-                System.err.println(name+": "+obj);
+                LOGGER.fine("validation error for '"+name+"': "+obj);
             }
         }
-        System.err.println("============");
     }
 
     public HashMap<String,Errors> getAllErrors() {
diff --git a/commons/src/test/java/org/archive/io/ReplayCharSequenceTest.java b/commons/src/test/java/org/archive/io/ReplayCharSequenceTest.java
index 32e20bb9..fb7d229f 100644
--- a/commons/src/test/java/org/archive/io/ReplayCharSequenceTest.java
+++ b/commons/src/test/java/org/archive/io/ReplayCharSequenceTest.java
@@ -186,8 +186,8 @@ public class ReplayCharSequenceTest extends TmpDirTestCase
                 bytes, 1, "testSingleByteEncodings-latin1.txt", 0);
         ReplayCharSequence rcs = ros.getReplayCharSequence("latin1");
         String result = rcs.toString();
-        logger.info("latin1[0] " + toHexString(latin1String));
-        logger.info("latin1[1] " + toHexString(result));
+        logger.fine("latin1[0] " + toHexString(latin1String));
+        logger.fine("latin1[1] " + toHexString(result));
         assertEquals("latin1 strings don't match", result, latin1String);
         
         String w1252String = new String(bytes, "windows-1252");
@@ -195,8 +195,8 @@ public class ReplayCharSequenceTest extends TmpDirTestCase
                 bytes, 1, "testSingleByteEncodings-windows-1252.txt", 0);
         rcs = ros.getReplayCharSequence("windows-1252");
         result = rcs.toString();
-        logger.info("windows-1252[0] " + toHexString(w1252String));
-        logger.info("windows-1252[1] " + toHexString(result));
+        logger.fine("windows-1252[0] " + toHexString(w1252String));
+        logger.fine("windows-1252[1] " + toHexString(result));
         assertEquals("windows-1252 strings don't match", result, w1252String);
 
         String asciiString = new String(bytes, "ascii");
@@ -204,8 +204,8 @@ public class ReplayCharSequenceTest extends TmpDirTestCase
                 bytes, 1, "testSingleByteEncodings-ascii.txt", 0);
         rcs = ros.getReplayCharSequence("ascii");
         result = rcs.toString();
-        logger.info("ascii[0] " + toHexString(asciiString));
-        logger.info("ascii[1] " + toHexString(result));
+        logger.fine("ascii[0] " + toHexString(asciiString));
+        logger.fine("ascii[1] " + toHexString(result));
         assertEquals("ascii strings don't match", result, asciiString);
     }
     
diff --git a/commons/src/test/java/org/archive/util/anvl/ANVLRecordTest.java b/commons/src/test/java/org/archive/util/anvl/ANVLRecordTest.java
index 80d7d18d..b31640a5 100644
--- a/commons/src/test/java/org/archive/util/anvl/ANVLRecordTest.java
+++ b/commons/src/test/java/org/archive/util/anvl/ANVLRecordTest.java
@@ -23,10 +23,13 @@ import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.util.Map;
+import java.util.logging.Logger;
 
 import junit.framework.TestCase;
 
 public class ANVLRecordTest extends TestCase {
+    private final Logger logger = Logger.getLogger(this.getClass().getName());
+
     public void testAdd() throws Exception {
         ANVLRecord am = new ANVLRecord();
         am.add(new Element(new Label("entry")));
@@ -42,9 +45,9 @@ public class ANVLRecordTest extends TestCase {
                 new Value("The Yeoman of \r        the guard")));
         am.add(new Element(new Label("when/created"),
             new Value("1888")));
-        System.out.println(am.toString());
+        logger.fine(am.toString());
         Map<String,String> m = am.asMap();
-        System.out.println(m.toString());
+        logger.fine(m.toString());
     }
     
     public void testEmptyRecord() throws Exception {
@@ -71,16 +74,16 @@ public class ANVLRecordTest extends TestCase {
                 "\r\nx:\r\n  # z\r\n\r\n";
         ANVLRecord r = ANVLRecord.load(new ByteArrayInputStream(
                 record.getBytes("ISO-8859-1")));
-        System.out.println(r);
+        logger.fine(r.toString());
         assertEquals(r.get(0).toString(), "a: b");
         record = "   a: b\r\n\r\nsdfsdsdfds";
         r = ANVLRecord.load(new ByteArrayInputStream(
             record.getBytes("ISO-8859-1")));
-        System.out.println(r);
+        logger.fine(r.toString());
         record = "x:\r\n  # z\r\ny:\r\n\r\n";
         r = ANVLRecord.load(new ByteArrayInputStream(
             record.getBytes("ISO-8859-1")));
-        System.out.println(r);
+        logger.fine(r.toString());
         assertEquals(r.get(0).toString(), "x:");
     }
     
@@ -93,7 +96,7 @@ public class ANVLRecordTest extends TestCase {
     		"when/created:\t 1888\r\n\r\n";
         ANVLRecord r = ANVLRecord.load(new ByteArrayInputStream(
         		sample.getBytes("ISO-8859-1")));
-        System.out.println(r);
+        logger.fine(r.toString());
     }
     
     public void testPoundLabel()
@@ -104,7 +107,7 @@ public class ANVLRecordTest extends TestCase {
     		"\t\tthe Guard\r\n" +
     		"when/created:\t 1888\r\n\r\n";
         ANVLRecord r = ANVLRecord.load(sample);
-        System.out.println(r);
+        logger.fine(r.toString());
     }
     
     public void testNewlineLabel()
diff --git a/commons/src/test/java/org/archive/util/ms/DocTest.java b/commons/src/test/java/org/archive/util/ms/DocTest.java
index fc8469c9..3ca26714 100644
--- a/commons/src/test/java/org/archive/util/ms/DocTest.java
+++ b/commons/src/test/java/org/archive/util/ms/DocTest.java
@@ -32,6 +32,7 @@ import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.Reader;
 import java.io.Writer;
+import java.util.logging.Logger;
 
 import org.apache.poi.hdf.extractor.WordDocument;
 
@@ -39,6 +40,7 @@ import junit.framework.TestCase;
 
 
 public class DocTest extends TestCase {
+    private final Logger logger = Logger.getLogger(this.getClass().getName());
 
     
     final private static File TEST_DIR;
@@ -63,7 +65,7 @@ public class DocTest extends TestCase {
                 }
             } finally {
                 long duration = System.currentTimeMillis() - start;
-                System.out.println("Duration in milliseconds: " + duration);
+                logger.fine("Duration in milliseconds: " + duration);
             }
         }
         if (errors > 0) {
@@ -73,7 +75,7 @@ public class DocTest extends TestCase {
 
     
     private int runDoc(File doc) throws IOException {
-        System.out.println("===== Now processing " + doc.getName());
+        logger.fine("===== Now processing " + doc.getName());
         String name = doc.getName();
         int p = name.lastIndexOf('.');
         String expectedName = name.substring(0, p) + ".txt";
@@ -136,7 +138,7 @@ public class DocTest extends TestCase {
                 go = false;
                 if ((ch >= 0) || (expectedCh >= 0)) {
                     errors++;
-                    System.out.println("File lengths differ.");
+                    logger.fine("File lengths differ.");
                 }
             }
             if (ch != expectedCh) {
@@ -155,7 +157,7 @@ public class DocTest extends TestCase {
         msg.append(expected).append(" (").append(toChar(expected));
         msg.append(") but got ").append(actual).append(" (");
         msg.append(toChar(actual)).append(").");
-        System.out.println(msg);
+        logger.fine(msg.toString());
     }