diff --git a/src/main/java/org/apache/commons/beanutils2/converters/ColorConverter.java b/src/main/java/org/apache/commons/beanutils2/converters/ColorConverter.java
index 7b1baffe1..39ec163cf 100644
--- a/src/main/java/org/apache/commons/beanutils2/converters/ColorConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/converters/ColorConverter.java
@@ -122,45 +122,49 @@ protected Class<?> getDefaultType() {
      */
     @Override
     protected <T> T convertToType(Class<T> type, Object value) throws Throwable {
-        Objects.requireNonNull(value, "Value can't be null.");
-        final String stringValue = value.toString();
+        if (Color.class.isAssignableFrom(type)) {
+            Objects.requireNonNull(value, "Value can't be null.");
+            final String stringValue = value.toString();
 
-        switch (stringValue.toLowerCase()) {
-            case "white":
-                return type.cast(Color.WHITE);
-            case "lightgray":
-                return type.cast(Color.LIGHT_GRAY);
-            case "gray":
-                return type.cast(Color.GRAY);
-            case "darkgray":
-                return type.cast(Color.DARK_GRAY);
-            case "black":
-                return type.cast(Color.BLACK);
-            case "red":
-                return type.cast(Color.RED);
-            case "pink":
-                return type.cast(Color.PINK);
-            case "orange":
-                return type.cast(Color.ORANGE);
-            case "yellow":
-                return type.cast(Color.YELLOW);
-            case "green":
-                return type.cast(Color.GREEN);
-            case "magenta":
-                return type.cast(Color.MAGENTA);
-            case "cyan":
-                return type.cast(Color.CYAN);
-            case "blue":
-                return type.cast(Color.BLUE);
-            default:
-                // Do nothing.
-        }
+            switch (stringValue.toLowerCase()) {
+                case "white":
+                    return type.cast(Color.WHITE);
+                case "lightgray":
+                    return type.cast(Color.LIGHT_GRAY);
+                case "gray":
+                    return type.cast(Color.GRAY);
+                case "darkgray":
+                    return type.cast(Color.DARK_GRAY);
+                case "black":
+                    return type.cast(Color.BLACK);
+                case "red":
+                    return type.cast(Color.RED);
+                case "pink":
+                    return type.cast(Color.PINK);
+                case "orange":
+                    return type.cast(Color.ORANGE);
+                case "yellow":
+                    return type.cast(Color.YELLOW);
+                case "green":
+                    return type.cast(Color.GREEN);
+                case "magenta":
+                    return type.cast(Color.MAGENTA);
+                case "cyan":
+                    return type.cast(Color.CYAN);
+                case "blue":
+                    return type.cast(Color.BLUE);
+                default:
+                    // Do nothing.
+            }
+
+            if (stringValue.startsWith(HEX_COLOR_PREFIX)) {
+                return type.cast(parseWebColor(stringValue));
+            }
 
-        if (stringValue.startsWith(HEX_COLOR_PREFIX)) {
-            return type.cast(parseWebColor(stringValue));
+            return type.cast(Color.decode(stringValue));
         }
 
-        return type.cast(Color.decode(stringValue));
+        throw conversionException(type, value);
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/beanutils2/converters/DimensionConverter.java b/src/main/java/org/apache/commons/beanutils2/converters/DimensionConverter.java
index 92421cb29..fc65a51fb 100644
--- a/src/main/java/org/apache/commons/beanutils2/converters/DimensionConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/converters/DimensionConverter.java
@@ -74,25 +74,30 @@ protected Class<?> getDefaultType() {
      */
     @Override
     protected <T> T convertToType(Class<T> type, Object value) throws Throwable {
-        Objects.requireNonNull(value, "Dimensions can not be null.");
-        final String stringValue = value.toString();
+        if (Dimension.class.isAssignableFrom(type)) {
+            Objects.requireNonNull(value, "Dimensions can not be null.");
+            final String stringValue = value.toString();
 
-        if (stringValue.isEmpty()) {
-            throw new IllegalArgumentException("Dimensions can not be empty.");
-        }
+            if (stringValue.isEmpty()) {
+                throw new IllegalArgumentException("Dimensions can not be empty.");
+            }
 
-        Matcher matcher = DIMENSION_PATTERN.matcher(stringValue);
+            Matcher matcher = DIMENSION_PATTERN.matcher(stringValue);
 
-        if (!matcher.matches()) {
-            throw new IllegalArgumentException("Dimension doesn't match format: {width/height} or {width}x{height}");
-        }
+            if (!matcher.matches()) {
+                throw new IllegalArgumentException(
+                    "Dimension doesn't match format: {width/height} or {width}x{height}");
+            }
 
-        String x = matcher.group(1);
-        String y = matcher.group(2);
+            String x = matcher.group(1);
+            String y = matcher.group(2);
 
-        int xValue = Integer.parseInt(x);
-        int yValue = (y == null || x.equals(y)) ? xValue : Integer.parseInt(y);
+            int xValue = Integer.parseInt(x);
+            int yValue = (y == null || x.equals(y)) ? xValue : Integer.parseInt(y);
+
+            return type.cast(new Dimension(xValue, yValue));
+        }
 
-        return type.cast(new Dimension(xValue, yValue));
+        throw conversionException(type, value);
     }
 }
diff --git a/src/main/java/org/apache/commons/beanutils2/converters/InetAddressConverter.java b/src/main/java/org/apache/commons/beanutils2/converters/InetAddressConverter.java
index 0f172270c..1721704ec 100644
--- a/src/main/java/org/apache/commons/beanutils2/converters/InetAddressConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/converters/InetAddressConverter.java
@@ -60,13 +60,17 @@ protected Class<?> getDefaultType() {
      */
     @Override
     protected <T> T convertToType(Class<T> type, Object value) throws Throwable {
-        Objects.requireNonNull(value, "Value can't be null.");
-        final String stringValue = value.toString();
+        if (InetAddress.class.isAssignableFrom(type)) {
+            Objects.requireNonNull(value, "Value can't be null.");
+            final String stringValue = value.toString();
 
-        try {
-            return type.cast(InetAddress.getByName(stringValue));
-        } catch (UnknownHostException ex) {
-            throw new IllegalArgumentException("Unable to get IP address of the named host.", ex);
+            try {
+                return type.cast(InetAddress.getByName(stringValue));
+            } catch (UnknownHostException ex) {
+                throw new IllegalArgumentException("Unable to get IP address of the named host.", ex);
+            }
         }
+
+        throw conversionException(type, value);
     }
 }
diff --git a/src/main/java/org/apache/commons/beanutils2/converters/LocaleConverter.java b/src/main/java/org/apache/commons/beanutils2/converters/LocaleConverter.java
index c13d910e2..4237106db 100644
--- a/src/main/java/org/apache/commons/beanutils2/converters/LocaleConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/converters/LocaleConverter.java
@@ -57,9 +57,13 @@ protected Class<?> getDefaultType() {
      */
     @Override
     protected <T> T convertToType(Class<T> type, Object value) throws Throwable {
-        Objects.requireNonNull(value, "Value can't be null.");
-        final String stringValue = value.toString();
+        if (Locale.class.isAssignableFrom(type)) {
+            Objects.requireNonNull(value, "Value can't be null.");
+            final String stringValue = value.toString();
 
-        return type.cast(Locale.forLanguageTag(stringValue));
+            return type.cast(Locale.forLanguageTag(stringValue));
+        }
+
+        throw conversionException(type, value);
     }
 }
diff --git a/src/main/java/org/apache/commons/beanutils2/converters/PatternConverter.java b/src/main/java/org/apache/commons/beanutils2/converters/PatternConverter.java
index 0eda6927a..03b7973cf 100644
--- a/src/main/java/org/apache/commons/beanutils2/converters/PatternConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/converters/PatternConverter.java
@@ -58,9 +58,13 @@ protected Class<?> getDefaultType() {
      */
     @Override
     protected <T> T convertToType(Class<T> type, Object value) throws Throwable {
-        Objects.requireNonNull(value, "Regular expression can't be null.");
-        final String stringValue = value.toString();
+        if (Pattern.class.isAssignableFrom(type)) {
+            Objects.requireNonNull(value, "Regular expression can't be null.");
+            final String stringValue = value.toString();
 
-        return type.cast(Pattern.compile(stringValue));
+            return type.cast(Pattern.compile(stringValue));
+        }
+
+        throw conversionException(type, value);
     }
 }
diff --git a/src/main/java/org/apache/commons/beanutils2/converters/PointConverter.java b/src/main/java/org/apache/commons/beanutils2/converters/PointConverter.java
index 9ee4c8a48..ba901c6e9 100644
--- a/src/main/java/org/apache/commons/beanutils2/converters/PointConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/converters/PointConverter.java
@@ -61,29 +61,33 @@ protected Class<?> getDefaultType() {
      */
     @Override
     protected <T> T convertToType(Class<T> type, Object value) throws Throwable {
-        Objects.requireNonNull(value, "Value must not be null.");
-        final String stringValue = value.toString();
+        if (Point.class.isAssignableFrom(type)) {
+            Objects.requireNonNull(value, "Value must not be null.");
+            final String stringValue = value.toString();
 
-        if (stringValue.isEmpty()) {
-            throw new IllegalArgumentException("A point can not be empty.");
-        }
+            if (stringValue.isEmpty()) {
+                throw new IllegalArgumentException("A point can not be empty.");
+            }
 
-        final int lastCharIndex = stringValue.length() - 1;
+            final int lastCharIndex = stringValue.length() - 1;
 
-        if (stringValue.charAt(0) != '(' || stringValue.charAt(lastCharIndex) != ')') {
-            throw new IllegalArgumentException("Point coordinates must be enclosed in brackets.");
-        }
+            if (stringValue.charAt(0) != '(' || stringValue.charAt(lastCharIndex) != ')') {
+                throw new IllegalArgumentException("Point coordinates must be enclosed in brackets.");
+            }
+
+            final String coordinates = stringValue.substring(1, lastCharIndex);
+            final String[] xy = POINT_SPLIT.split(coordinates);
 
-        final String coordinates = stringValue.substring(1, lastCharIndex);
-        final String[] xy = POINT_SPLIT.split(coordinates);
+            if (xy.length != 2) {
+                throw new IllegalArgumentException("Point must have an x coordinate, and y coordinate only, " +
+                    "expecting the following format: (40, 200)");
+            }
 
-        if (xy.length != 2) {
-            throw new IllegalArgumentException("Point must have an x coordinate, and y coordinate only, " +
-                "expecting the following format: (40, 200)");
+            final int x = Integer.parseInt(xy[0]);
+            final int y = Integer.parseInt(xy[1]);
+            return type.cast(new Point(x, y));
         }
 
-        final int x = Integer.parseInt(xy[0]);
-        final int y = Integer.parseInt(xy[1]);
-        return type.cast(new Point(x, y));
+        throw conversionException(type, value);
     }
 }