diff --git a/pom.xml b/pom.xml
index 653049f73..5ca8f45ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -332,9 +332,9 @@
 
   <dependencies>
     <dependency>
-      <groupId>commons-logging</groupId>
-      <artifactId>commons-logging</artifactId>
-      <version>1.2</version>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-api</artifactId>
+      <version>1.7.36</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>
diff --git a/src/main/java/org/apache/commons/beanutils2/BeanPredicate.java b/src/main/java/org/apache/commons/beanutils2/BeanPredicate.java
index 6bf1a62ad..09f81e21d 100644
--- a/src/main/java/org/apache/commons/beanutils2/BeanPredicate.java
+++ b/src/main/java/org/apache/commons/beanutils2/BeanPredicate.java
@@ -20,8 +20,8 @@
 import java.lang.reflect.InvocationTargetException;
 import java.util.function.Predicate;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>Predicate implementation that applies the given {@code Predicate}
@@ -32,7 +32,7 @@
  */
 public class BeanPredicate<T> implements Predicate<T> {
 
-    private final Log log = LogFactory.getLog(this.getClass());
+    private final Logger log = LoggerFactory.getLogger(this.getClass());
 
     /** Name of the property whose value will be predicated */
     private String propertyName;
diff --git a/src/main/java/org/apache/commons/beanutils2/BeanPropertyValueChangeConsumer.java b/src/main/java/org/apache/commons/beanutils2/BeanPropertyValueChangeConsumer.java
index ea66c526b..74b46ef5b 100644
--- a/src/main/java/org/apache/commons/beanutils2/BeanPropertyValueChangeConsumer.java
+++ b/src/main/java/org/apache/commons/beanutils2/BeanPropertyValueChangeConsumer.java
@@ -20,8 +20,8 @@
 import java.lang.reflect.InvocationTargetException;
 import java.util.function.Consumer;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 
 /**
@@ -82,7 +82,7 @@
 public class BeanPropertyValueChangeConsumer<T, V> implements Consumer<T> {
 
     /** For logging. Each subclass gets its own log instance. */
-    private final Log log = LogFactory.getLog(this.getClass());
+    private final Logger log = LoggerFactory.getLogger(this.getClass());
 
     /**
      * The name of the property which will be updated when this {@code Closure} executes.
diff --git a/src/main/java/org/apache/commons/beanutils2/BeanPropertyValueEqualsPredicate.java b/src/main/java/org/apache/commons/beanutils2/BeanPropertyValueEqualsPredicate.java
index bf8355512..2498da1cb 100644
--- a/src/main/java/org/apache/commons/beanutils2/BeanPropertyValueEqualsPredicate.java
+++ b/src/main/java/org/apache/commons/beanutils2/BeanPropertyValueEqualsPredicate.java
@@ -21,8 +21,8 @@
 import java.util.Objects;
 import java.util.function.Predicate;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>{@code Predicate} that evaluates a property value against a specified value.</p>
@@ -113,7 +113,7 @@
 public class BeanPropertyValueEqualsPredicate<T, V> implements Predicate<T> {
 
     /** For logging. Each subclass gets its own log instance. */
-    private final Log log = LogFactory.getLog(this.getClass());
+    private final Logger log = LoggerFactory.getLogger(this.getClass());
 
     /**
      * The name of the property which will be evaluated when this {@code Predicate} is executed.
diff --git a/src/main/java/org/apache/commons/beanutils2/BeanToPropertyValueTransformer.java b/src/main/java/org/apache/commons/beanutils2/BeanToPropertyValueTransformer.java
index c9bf91900..10679aeba 100644
--- a/src/main/java/org/apache/commons/beanutils2/BeanToPropertyValueTransformer.java
+++ b/src/main/java/org/apache/commons/beanutils2/BeanToPropertyValueTransformer.java
@@ -20,8 +20,8 @@
 import java.lang.reflect.InvocationTargetException;
 import java.util.function.Function;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 
 /**
@@ -74,7 +74,7 @@
 public class BeanToPropertyValueTransformer<T, R> implements Function<T, R> {
 
     /** For logging. Each subclass gets its own log instance. */
-    private final Log log = LogFactory.getLog(this.getClass());
+    private final Logger log = LoggerFactory.getLogger(this.getClass());
 
     /** The name of the property that will be used in the transformation of the object. */
     private final String propertyName;
diff --git a/src/main/java/org/apache/commons/beanutils2/BeanUtilsBean.java b/src/main/java/org/apache/commons/beanutils2/BeanUtilsBean.java
index ca9ff0370..6089a6eab 100644
--- a/src/main/java/org/apache/commons/beanutils2/BeanUtilsBean.java
+++ b/src/main/java/org/apache/commons/beanutils2/BeanUtilsBean.java
@@ -28,8 +28,8 @@
 import java.util.Map;
 
 import org.apache.commons.beanutils2.expression.Resolver;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>JavaBean property population methods.</p>
@@ -59,7 +59,7 @@ protected BeanUtilsBean initialValue() {
     /**
      * Logging for this instance
      */
-    private static final Log LOG = LogFactory.getLog(BeanUtilsBean.class);
+    private static final Logger LOG = LoggerFactory.getLogger(BeanUtilsBean.class);
 
     /** A reference to Throwable's initCause method, or null if it's not there in this JVM */
     private static final Method INIT_CAUSE_METHOD = getInitCauseMethod();
@@ -94,13 +94,13 @@ private static Method getInitCauseMethod() {
             final Class<?>[] paramsClasses = { Throwable.class };
             return Throwable.class.getMethod("initCause", paramsClasses);
         } catch (final NoSuchMethodException e) {
-            final Log log = LogFactory.getLog(BeanUtils.class);
+            final Logger log = LoggerFactory.getLogger(BeanUtils.class);
             if (log.isWarnEnabled()) {
                 log.warn("Throwable does not have initCause() method in JDK 1.3");
             }
             return null;
         } catch (final Throwable e) {
-            final Log log = LogFactory.getLog(BeanUtils.class);
+            final Logger log = LoggerFactory.getLogger(BeanUtils.class);
             if (log.isWarnEnabled()) {
                 log.warn("Error getting the Throwable initCause() method", e);
             }
diff --git a/src/main/java/org/apache/commons/beanutils2/ConvertUtilsBean.java b/src/main/java/org/apache/commons/beanutils2/ConvertUtilsBean.java
index dc9ddaa02..ddad9510c 100644
--- a/src/main/java/org/apache/commons/beanutils2/ConvertUtilsBean.java
+++ b/src/main/java/org/apache/commons/beanutils2/ConvertUtilsBean.java
@@ -80,8 +80,8 @@
 import org.apache.commons.beanutils2.sql.converters.SqlDateConverter;
 import org.apache.commons.beanutils2.sql.converters.SqlTimeConverter;
 import org.apache.commons.beanutils2.sql.converters.SqlTimestampConverter;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>Utility methods for converting String scalar values to objects of the
@@ -175,9 +175,9 @@ public class ConvertUtilsBean {
     private static final Character SPACE = Character.valueOf(' ');
 
     /**
-     * The {@code Log} instance for this class.
+     * The {@code Logger} instance for this class.
      */
-    private static final Log LOG = LogFactory.getLog(ConvertUtilsBean.class);
+    private static final Logger LOG = LoggerFactory.getLogger(ConvertUtilsBean.class);
 
     /**
      * Get singleton instance
diff --git a/src/main/java/org/apache/commons/beanutils2/DefaultBeanIntrospector.java b/src/main/java/org/apache/commons/beanutils2/DefaultBeanIntrospector.java
index 154c28636..ebcc9640e 100644
--- a/src/main/java/org/apache/commons/beanutils2/DefaultBeanIntrospector.java
+++ b/src/main/java/org/apache/commons/beanutils2/DefaultBeanIntrospector.java
@@ -24,8 +24,8 @@
 import java.lang.reflect.Method;
 import java.util.List;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>
@@ -54,7 +54,7 @@ public class DefaultBeanIntrospector implements BeanIntrospector {
     private static final Class<?>[] LIST_CLASS_PARAMETER = new Class[] { java.util.List.class };
 
     /** For logging. Each subclass gets its own log instance. */
-    private final Log log = LogFactory.getLog(getClass());
+    private final Logger log = LoggerFactory.getLogger(getClass());
 
     /**
      * Private constructor so that no instances can be created.
diff --git a/src/main/java/org/apache/commons/beanutils2/FluentPropertyBeanIntrospector.java b/src/main/java/org/apache/commons/beanutils2/FluentPropertyBeanIntrospector.java
index 93c15aecc..95f4e35fe 100644
--- a/src/main/java/org/apache/commons/beanutils2/FluentPropertyBeanIntrospector.java
+++ b/src/main/java/org/apache/commons/beanutils2/FluentPropertyBeanIntrospector.java
@@ -22,8 +22,8 @@
 import java.lang.reflect.Method;
 import java.util.Locale;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>
@@ -80,7 +80,7 @@ public class FluentPropertyBeanIntrospector implements BeanIntrospector {
     public static final String DEFAULT_WRITE_METHOD_PREFIX = "set";
 
     /** The logger. */
-    private final Log log = LogFactory.getLog(getClass());
+    private final Logger log = LoggerFactory.getLogger(getClass());
 
     /** The prefix of write methods to search for. */
     private final String writeMethodPrefix;
diff --git a/src/main/java/org/apache/commons/beanutils2/LazyDynaBean.java b/src/main/java/org/apache/commons/beanutils2/LazyDynaBean.java
index 4425bd6bf..2a42a62f5 100644
--- a/src/main/java/org/apache/commons/beanutils2/LazyDynaBean.java
+++ b/src/main/java/org/apache/commons/beanutils2/LazyDynaBean.java
@@ -26,8 +26,8 @@
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>DynaBean which automatically adds properties to the {@code DynaClass}
@@ -124,10 +124,7 @@ public class LazyDynaBean implements DynaBean, Serializable {
 
     private static final long serialVersionUID = 1L;
 
- /**
-    * Commons Logging
-    */
-    private static transient Log LOG = LogFactory.getLog(LazyDynaBean.class);
+    private static Logger LOG = LoggerFactory.getLogger(LazyDynaBean.class);
 
     /** BigInteger Zero */
     protected static final BigInteger BigInteger_ZERO = new BigInteger("0");
@@ -699,11 +696,11 @@ protected boolean isDynaProperty(final String name) {
     }
 
     /**
-     * <p>Returns the {@code Log}.
+     * <p>Returns the {@code Logger}.
      */
-    private Log logger() {
+    private Logger logger() {
         if (LOG == null) {
-            LOG = LogFactory.getLog(LazyDynaBean.class);
+            LOG = LoggerFactory.getLogger(LazyDynaBean.class);
         }
         return LOG;
     }
diff --git a/src/main/java/org/apache/commons/beanutils2/MethodUtils.java b/src/main/java/org/apache/commons/beanutils2/MethodUtils.java
index 03f84b4b1..457df3c0b 100644
--- a/src/main/java/org/apache/commons/beanutils2/MethodUtils.java
+++ b/src/main/java/org/apache/commons/beanutils2/MethodUtils.java
@@ -26,8 +26,8 @@
 import java.util.Map;
 import java.util.WeakHashMap;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>Utility reflection methods focused on methods in general rather than properties in particular.</p>
@@ -113,7 +113,7 @@ public int hashCode() {
         }
     }
 
-    private static final Log LOG = LogFactory.getLog(MethodUtils.class);
+    private static final Logger LOG = LoggerFactory.getLogger(MethodUtils.class);
 
     /**
      * Only log warning about accessibility work around once.
@@ -480,7 +480,7 @@ public static Method getMatchingAccessibleMethod(
                 // log some trace information
                 if (LOG.isTraceEnabled()) {
                     LOG.trace("Found matching name:");
-                    LOG.trace(method2);
+                    LOG.trace(method2.toString());
                 }
 
                 // compare parameters
diff --git a/src/main/java/org/apache/commons/beanutils2/PropertyUtilsBean.java b/src/main/java/org/apache/commons/beanutils2/PropertyUtilsBean.java
index 5e4213bc8..325053e75 100644
--- a/src/main/java/org/apache/commons/beanutils2/PropertyUtilsBean.java
+++ b/src/main/java/org/apache/commons/beanutils2/PropertyUtilsBean.java
@@ -32,8 +32,8 @@
 
 import org.apache.commons.beanutils2.expression.DefaultResolver;
 import org.apache.commons.beanutils2.expression.Resolver;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Utility methods for using Java Reflection APIs to facilitate generic
@@ -89,8 +89,8 @@
  */
 public class PropertyUtilsBean {
 
-    /** Log instance */
-    private static final Log LOG = LogFactory.getLog(PropertyUtilsBean.class);
+    /** Logger instance */
+    private static final Logger LOG = LoggerFactory.getLogger(PropertyUtilsBean.class);
 
     /**
      * Gets the PropertyUtils bean instance.
diff --git a/src/main/java/org/apache/commons/beanutils2/converters/AbstractConverter.java b/src/main/java/org/apache/commons/beanutils2/converters/AbstractConverter.java
index 5fc0a3e5d..bf56cc60c 100644
--- a/src/main/java/org/apache/commons/beanutils2/converters/AbstractConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/converters/AbstractConverter.java
@@ -25,8 +25,8 @@
 import org.apache.commons.beanutils2.ConversionException;
 import org.apache.commons.beanutils2.ConvertUtils;
 import org.apache.commons.beanutils2.Converter;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Base {@link Converter} implementation that provides the structure
@@ -101,7 +101,7 @@ protected static String toTrim(final Object value) {
     /**
      * Logging for this instance.
      */
-    private transient Log log;
+    private transient Logger log;
 
     /**
      * Should we return the default value on conversion errors?
@@ -405,18 +405,18 @@ public boolean isUseDefault() {
     }
 
     /**
-     * Accessor method for Log instance.
+     * Accessor method for Logger instance.
      * <p>
-     * The Log instance variable is transient and
+     * The Logger instance variable is transient and
      * accessing it through this method ensures it
      * is re-initialized when this instance is
      * de-serialized.
      *
-     * @return The Log instance.
+     * @return The Logger instance.
      */
-    Log log() {
+    Logger log() {
         if (log == null) {
-            log = LogFactory.getLog(getClass());
+            log = LoggerFactory.getLogger(getClass());
         }
         return log;
     }
diff --git a/src/main/java/org/apache/commons/beanutils2/locale/BaseLocaleConverter.java b/src/main/java/org/apache/commons/beanutils2/locale/BaseLocaleConverter.java
index 55def0d88..5acbceb18 100644
--- a/src/main/java/org/apache/commons/beanutils2/locale/BaseLocaleConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/locale/BaseLocaleConverter.java
@@ -22,8 +22,8 @@
 
 import org.apache.commons.beanutils2.ConversionException;
 import org.apache.commons.beanutils2.ConvertUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The base class for all standard type locale-sensitive converters. It has {@link LocaleConverter} and {@link org.apache.commons.beanutils2.Converter}
@@ -132,7 +132,7 @@ public B setUseDefault(final boolean useDefault) {
     }
 
     /** All logging goes through this logger */
-    private static final Log LOG = LogFactory.getLog(BaseLocaleConverter.class);
+    private static final Logger LOG = LoggerFactory.getLogger(BaseLocaleConverter.class);
 
     /**
      * Checks whether the result of a conversion is conform to the specified target type. If this is the case, the passed in result object is cast to the
diff --git a/src/main/java/org/apache/commons/beanutils2/locale/LocaleBeanUtilsBean.java b/src/main/java/org/apache/commons/beanutils2/locale/LocaleBeanUtilsBean.java
index 2ac5e2490..7f819555a 100644
--- a/src/main/java/org/apache/commons/beanutils2/locale/LocaleBeanUtilsBean.java
+++ b/src/main/java/org/apache/commons/beanutils2/locale/LocaleBeanUtilsBean.java
@@ -32,8 +32,8 @@
 import org.apache.commons.beanutils2.MappedPropertyDescriptor;
 import org.apache.commons.beanutils2.PropertyUtilsBean;
 import org.apache.commons.beanutils2.expression.Resolver;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>Utility methods for populating JavaBeans properties
@@ -56,7 +56,7 @@ protected LocaleBeanUtilsBean initialValue() {
                     };
 
      /** All logging goes through this logger */
-    private static final Log LOG = LogFactory.getLog(LocaleBeanUtilsBean.class);
+    private static final Logger LOG = LoggerFactory.getLogger(LocaleBeanUtilsBean.class);
 
     /**
       * Gets singleton instance
diff --git a/src/main/java/org/apache/commons/beanutils2/locale/LocaleConvertUtilsBean.java b/src/main/java/org/apache/commons/beanutils2/locale/LocaleConvertUtilsBean.java
index c08b1afaf..800b2f834 100644
--- a/src/main/java/org/apache/commons/beanutils2/locale/LocaleConvertUtilsBean.java
+++ b/src/main/java/org/apache/commons/beanutils2/locale/LocaleConvertUtilsBean.java
@@ -37,8 +37,8 @@
 import org.apache.commons.beanutils2.sql.converters.locale.SqlDateLocaleConverter;
 import org.apache.commons.beanutils2.sql.converters.locale.SqlTimeLocaleConverter;
 import org.apache.commons.beanutils2.sql.converters.locale.SqlTimestampLocaleConverter;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * <p>Utility methods for converting locale-sensitive String scalar values to objects of the
@@ -81,8 +81,8 @@
  */
 public class LocaleConvertUtilsBean {
 
-    /** The {@code Log} instance for this class. */
-    private static final Log LOG = LogFactory.getLog(LocaleConvertUtilsBean.class);
+    /** The {@code Logger} instance for this class. */
+    private static final Logger LOG = LoggerFactory.getLogger(LocaleConvertUtilsBean.class);
 
     /**
      * Gets singleton instance.
diff --git a/src/main/java/org/apache/commons/beanutils2/locale/converters/DateLocaleConverter.java b/src/main/java/org/apache/commons/beanutils2/locale/converters/DateLocaleConverter.java
index 4d3250207..ba0aff996 100644
--- a/src/main/java/org/apache/commons/beanutils2/locale/converters/DateLocaleConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/locale/converters/DateLocaleConverter.java
@@ -28,8 +28,8 @@
 import org.apache.commons.beanutils2.ConversionException;
 import org.apache.commons.beanutils2.locale.BaseLocaleConverter;
 import org.apache.commons.beanutils2.locale.LocaleConverter;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Standard {@link org.apache.commons.beanutils2.locale.LocaleConverter} implementation that converts an incoming locale-sensitive String into a
@@ -84,7 +84,7 @@ public B setLenient(final boolean lenient) {
     private static final String DEFAULT_PATTERN_CHARS = DateLocaleConverter.initDefaultChars();
 
     /** All logging goes through this logger */
-    private static final Log LOG = LogFactory.getLog(DateLocaleConverter.class);
+    private static final Logger LOG = LoggerFactory.getLogger(DateLocaleConverter.class);
 
     /**
      * Constructs a new builder.
diff --git a/src/main/java/org/apache/commons/beanutils2/locale/converters/DecimalLocaleConverter.java b/src/main/java/org/apache/commons/beanutils2/locale/converters/DecimalLocaleConverter.java
index 1544ee3dd..1e8e2b429 100644
--- a/src/main/java/org/apache/commons/beanutils2/locale/converters/DecimalLocaleConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/locale/converters/DecimalLocaleConverter.java
@@ -25,8 +25,8 @@
 import org.apache.commons.beanutils2.ConversionException;
 import org.apache.commons.beanutils2.locale.BaseLocaleConverter;
 import org.apache.commons.beanutils2.locale.LocaleConverter;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Standard {@link LocaleConverter} implementation that converts an incoming locale-sensitive String into a {@code java.lang.Number} object, optionally using a
@@ -62,7 +62,7 @@ public DecimalLocaleConverter<?> get() {
     }
 
     /** All logging goes through this logger */
-    private static final Log LOG = LogFactory.getLog(DecimalLocaleConverter.class);
+    private static final Logger LOG = LoggerFactory.getLogger(DecimalLocaleConverter.class);
 
     /**
      * Constructs a new builder.
diff --git a/src/main/java/org/apache/commons/beanutils2/locale/converters/StringLocaleConverter.java b/src/main/java/org/apache/commons/beanutils2/locale/converters/StringLocaleConverter.java
index a129eb9fb..89fb2a363 100644
--- a/src/main/java/org/apache/commons/beanutils2/locale/converters/StringLocaleConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/locale/converters/StringLocaleConverter.java
@@ -29,8 +29,8 @@
 import org.apache.commons.beanutils2.ConversionException;
 import org.apache.commons.beanutils2.locale.BaseLocaleConverter;
 import org.apache.commons.beanutils2.locale.LocaleConverter;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Standard {@link org.apache.commons.beanutils2.locale.LocaleConverter} implementation that converts an incoming locale-sensitive object into a {@link String}
@@ -60,7 +60,7 @@ public StringLocaleConverter get() {
     }
 
     /** All logging goes through this logger */
-    private static final Log LOG = LogFactory.getLog(StringLocaleConverter.class);
+    private static final Logger LOG = LoggerFactory.getLogger(StringLocaleConverter.class);
 
     /**
      * Constructs a new builder.
diff --git a/src/test/java/org/apache/commons/beanutils2/BeanificationTestCase.java b/src/test/java/org/apache/commons/beanutils2/BeanificationTestCase.java
index 6f5012a50..72169f96b 100644
--- a/src/test/java/org/apache/commons/beanutils2/BeanificationTestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/BeanificationTestCase.java
@@ -22,8 +22,6 @@
 import java.util.Map;
 import java.util.WeakHashMap;
 
-import org.apache.commons.logging.LogFactory;
-
 import junit.framework.Test;
 import junit.framework.TestCase;
 import junit.framework.TestSuite;
@@ -358,8 +356,6 @@ public void run() {
                 beanUtils = BeanUtilsBean.getInstance();
                 convertUtils = ConvertUtilsBean.getInstance();
                 propertyUtils = PropertyUtilsBean.getInstance();
-                // XXX Log keeps a reference around!
-                LogFactory.releaseAll();
             }
 
             @Override
diff --git a/src/test/java/org/apache/commons/beanutils2/bugs/Jira157TestCase.java b/src/test/java/org/apache/commons/beanutils2/bugs/Jira157TestCase.java
index f6ebd8c0e..eb2ff8962 100644
--- a/src/test/java/org/apache/commons/beanutils2/bugs/Jira157TestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/bugs/Jira157TestCase.java
@@ -22,8 +22,8 @@
 import org.apache.commons.beanutils2.BeanUtils;
 import org.apache.commons.beanutils2.BeanUtilsBean;
 import org.apache.commons.beanutils2.SuppressPropertiesBeanIntrospector;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import junit.framework.Test;
 import junit.framework.TestCase;
@@ -61,7 +61,7 @@ public interface XY {
         String getY();
     }
 
-    private static final Log LOG = LogFactory.getLog(Jira157TestCase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(Jira157TestCase.class);
 
     /**
      * Run the Test.
diff --git a/src/test/java/org/apache/commons/beanutils2/bugs/Jira273TestCase.java b/src/test/java/org/apache/commons/beanutils2/bugs/Jira273TestCase.java
index 8306270d4..6f499917f 100644
--- a/src/test/java/org/apache/commons/beanutils2/bugs/Jira273TestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/bugs/Jira273TestCase.java
@@ -18,8 +18,8 @@
 
 import org.apache.commons.beanutils2.PropertyUtils;
 import org.apache.commons.beanutils2.bugs.other.Jira273BeanFactory;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import junit.framework.Test;
 import junit.framework.TestCase;
@@ -32,7 +32,7 @@
  */
 public class Jira273TestCase extends TestCase {
 
-    private static final Log LOG = LogFactory.getLog(Jira273TestCase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(Jira273TestCase.class);
 
     /**
      * Run the Test.
diff --git a/src/test/java/org/apache/commons/beanutils2/bugs/Jira298TestCase.java b/src/test/java/org/apache/commons/beanutils2/bugs/Jira298TestCase.java
index 275e66ede..2be337f30 100644
--- a/src/test/java/org/apache/commons/beanutils2/bugs/Jira298TestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/bugs/Jira298TestCase.java
@@ -22,8 +22,8 @@
 import org.apache.commons.beanutils2.PropertyUtils;
 import org.apache.commons.beanutils2.bugs.other.Jira298BeanFactory;
 import org.apache.commons.beanutils2.bugs.other.Jira298BeanFactory.IX;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import junit.framework.Test;
 import junit.framework.TestCase;
@@ -34,7 +34,7 @@
  */
 public class Jira298TestCase extends TestCase {
 
-    private static final Log LOG = LogFactory.getLog(Jira298TestCase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(Jira298TestCase.class);
 
     /**
      * Run the Test.
diff --git a/src/test/java/org/apache/commons/beanutils2/bugs/Jira339TestCase.java b/src/test/java/org/apache/commons/beanutils2/bugs/Jira339TestCase.java
index 1c588facd..e2496614a 100644
--- a/src/test/java/org/apache/commons/beanutils2/bugs/Jira339TestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/bugs/Jira339TestCase.java
@@ -22,8 +22,8 @@
 
 import org.apache.commons.beanutils2.BeanUtils;
 import org.apache.commons.beanutils2.PropertyUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import junit.framework.Test;
 import junit.framework.TestCase;
@@ -60,7 +60,7 @@ public void setComparator(final Comparator<?> comparator) {
 
     }
 
-    private static final Log LOG = LogFactory.getLog(Jira339TestCase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(Jira339TestCase.class);
 
     /**
      * Run the Test.
diff --git a/src/test/java/org/apache/commons/beanutils2/bugs/Jira349TestCase.java b/src/test/java/org/apache/commons/beanutils2/bugs/Jira349TestCase.java
index 61cc79003..5620fc9ff 100644
--- a/src/test/java/org/apache/commons/beanutils2/bugs/Jira349TestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/bugs/Jira349TestCase.java
@@ -17,8 +17,8 @@
 package org.apache.commons.beanutils2.bugs;
 
 import org.apache.commons.beanutils2.PropertyUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import junit.framework.Test;
 import junit.framework.TestCase;
@@ -59,7 +59,7 @@ public void setTestProperty(final boolean testProperty) {
         }
     }
 
-    private static final Log LOG = LogFactory.getLog(Jira349TestCase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(Jira349TestCase.class);
 
     /**
      * Run the Test.
diff --git a/src/test/java/org/apache/commons/beanutils2/bugs/Jira87TestCase.java b/src/test/java/org/apache/commons/beanutils2/bugs/Jira87TestCase.java
index 2821fb3f1..e548af2c2 100644
--- a/src/test/java/org/apache/commons/beanutils2/bugs/Jira87TestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/bugs/Jira87TestCase.java
@@ -18,8 +18,8 @@
 
 import org.apache.commons.beanutils2.PropertyUtils;
 import org.apache.commons.beanutils2.bugs.other.Jira87BeanFactory;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import junit.framework.Test;
 import junit.framework.TestCase;
@@ -39,7 +39,7 @@
  */
 public class Jira87TestCase extends TestCase {
 
-    private static final Log LOG = LogFactory.getLog(Jira87TestCase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(Jira87TestCase.class);
 
     /**
      * Run the Test.
diff --git a/src/test/java/org/apache/commons/beanutils2/converters/DateLocaleConverterTestCase.java b/src/test/java/org/apache/commons/beanutils2/converters/DateLocaleConverterTestCase.java
index 5bb0d33b1..4fd6cb828 100644
--- a/src/test/java/org/apache/commons/beanutils2/converters/DateLocaleConverterTestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/converters/DateLocaleConverterTestCase.java
@@ -26,8 +26,8 @@
 import org.apache.commons.beanutils2.ConversionException;
 import org.apache.commons.beanutils2.locale.converters.DateLocaleConverter;
 import org.apache.commons.beanutils2.locale.converters.DateLocaleConverter.Builder;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Test Case for the DateLocaleConverter class.
@@ -35,7 +35,7 @@
 public class DateLocaleConverterTestCase extends BaseLocaleConverterTestCase<Date> {
 
     /** All logging goes through this logger */
-    private static final Log LOG = LogFactory.getLog(DateLocaleConverterTestCase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(DateLocaleConverterTestCase.class);
 
     protected String localizedDatePattern;
     protected String localizedDateValue;
diff --git a/src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanUtilsTestCase.java b/src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanUtilsTestCase.java
index ecd075bf9..6bc446a09 100644
--- a/src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanUtilsTestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanUtilsTestCase.java
@@ -20,8 +20,8 @@
 import static org.junit.jupiter.api.Assertions.fail;
 
 import org.apache.commons.beanutils2.TestBean;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.junit.jupiter.api.Test;
 
 /**
@@ -30,7 +30,7 @@
  */
 public class LocaleBeanUtilsTestCase {
 
-    private static final Log LOG = LogFactory.getLog(LocaleBeanUtilsTestCase.class);
+    private static final Logger LOG = LoggerFactory.getLogger(LocaleBeanUtilsTestCase.class);
 
     /**
      * Test setting a nested indexed property
@@ -43,7 +43,7 @@ public void testSetNestedPropertyIndexed() {
         try {
             LocaleBeanUtils.setProperty(bean, "nested.intIndexed[1]", "123", null);
         } catch (final Throwable t) {
-            LOG.error(t);
+            LOG.error(t.getMessage(), t);
             fail("Threw " + t);
         }
         assertEquals(123, bean.getNested().getIntIndexed(1), "Check Set Value");
@@ -60,7 +60,7 @@ public void testSetNestedPropertySimple() {
         try {
             LocaleBeanUtils.setProperty(bean, "nested.intProperty", "123", null);
         } catch (final Throwable t) {
-            LOG.error(t);
+            LOG.error(t.getMessage(), t);
             fail("Threw " + t);
         }
         assertEquals(123, bean.getNested().getIntProperty(), "Check Set Value");
diff --git a/src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanificationTestCase.java b/src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanificationTestCase.java
index b1be6c4e7..b2bf6c8dc 100644
--- a/src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanificationTestCase.java
+++ b/src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanificationTestCase.java
@@ -36,7 +36,6 @@
 import org.apache.commons.beanutils2.ConvertUtils;
 import org.apache.commons.beanutils2.PrimitiveBean;
 import org.apache.commons.beanutils2.locale.converters.LongLocaleConverter;
-import org.apache.commons.logging.LogFactory;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
@@ -396,8 +395,6 @@ class GetBeanUtilsBeanThread extends Thread {
             public void run() {
                 beanUtils = LocaleBeanUtilsBean.getLocaleBeanUtilsInstance();
                 convertUtils = LocaleConvertUtilsBean.getInstance();
-                // XXX Log keeps a reference around!
-                LogFactory.releaseAll();
             }
 
             @Override