From 80d24ef13a269494ee30c78bb6238a976e134dbc Mon Sep 17 00:00:00 2001
From: Naveed Khan <dxbnaveed.k@gmail.com>
Date: Fri, 17 Jul 2026 22:53:16 +0530
Subject: [PATCH 1/2] pass configured locale to date pattern in
 DateTimeConverter

---
 .../converters/DateTimeConverter.java         |  2 +-
 .../converters/AbstractDateConverterTest.java | 21 +++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/apache/commons/beanutils2/converters/DateTimeConverter.java b/src/main/java/org/apache/commons/beanutils2/converters/DateTimeConverter.java
index c08de17e5..dd426d057 100644
--- a/src/main/java/org/apache/commons/beanutils2/converters/DateTimeConverter.java
+++ b/src/main/java/org/apache/commons/beanutils2/converters/DateTimeConverter.java
@@ -293,7 +293,7 @@ protected DateFormat getFormat(final Locale locale, final TimeZone timeZone) {
      * @return The DateFormat
      */
     private DateFormat getFormat(final String pattern) {
-        final DateFormat format = new SimpleDateFormat(pattern);
+        final DateFormat format = locale == null ? new SimpleDateFormat(pattern) : new SimpleDateFormat(pattern, locale);
         if (timeZone != null) {
             format.setTimeZone(timeZone);
         }
diff --git a/src/test/java/org/apache/commons/beanutils2/converters/AbstractDateConverterTest.java b/src/test/java/org/apache/commons/beanutils2/converters/AbstractDateConverterTest.java
index 0e55f7b1e..0371157cb 100644
--- a/src/test/java/org/apache/commons/beanutils2/converters/AbstractDateConverterTest.java
+++ b/src/test/java/org/apache/commons/beanutils2/converters/AbstractDateConverterTest.java
@@ -268,6 +268,27 @@ public void testLocale() {
         Locale.setDefault(defaultLocale);
     }
 
+    /**
+     * Test that a configured Locale is honored when a pattern is also set.
+     */
+    @Test
+    void testLocaleWithPattern() {
+        // Pin the default Locale to one whose month names differ from the configured Locale.
+        final Locale defaultLocale = Locale.getDefault();
+        Locale.setDefault(Locale.US);
+        try {
+            final String pattern = "dd MMMM yyyy"; // month name is Locale-sensitive
+            final DateTimeConverter<T> converter = makeConverter();
+            converter.setLocale(Locale.GERMANY);
+            converter.setPattern(pattern);
+            final String testString = "28 Oktober 2006";
+            final Object expected = toType(testString, pattern, Locale.GERMANY);
+            validConversion(converter, expected, testString);
+        } finally {
+            Locale.setDefault(defaultLocale);
+        }
+    }
+
     /**
      * Test Converter with multiple patterns
      */

From bcb1626d79412eee2946bcd02b735060cd5cb64b Mon Sep 17 00:00:00 2001
From: Naveed Khan <dxbnaveed.k@gmail.com>
Date: Sun, 19 Jul 2026 01:40:30 +0530
Subject: [PATCH 2/2] use junit pioneer to set the default locale in
 testLocaleWithPattern

---
 pom.xml                                       |  5 ++++
 .../converters/AbstractDateConverterTest.java | 24 ++++++++-----------
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/pom.xml b/pom.xml
index 244d49b53..99e8910db 100644
--- a/pom.xml
+++ b/pom.xml
@@ -120,6 +120,11 @@
       <artifactId>junit-jupiter</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.junit-pioneer</groupId>
+      <artifactId>junit-pioneer</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/src/test/java/org/apache/commons/beanutils2/converters/AbstractDateConverterTest.java b/src/test/java/org/apache/commons/beanutils2/converters/AbstractDateConverterTest.java
index 0371157cb..48bc622a6 100644
--- a/src/test/java/org/apache/commons/beanutils2/converters/AbstractDateConverterTest.java
+++ b/src/test/java/org/apache/commons/beanutils2/converters/AbstractDateConverterTest.java
@@ -42,6 +42,7 @@
 import org.apache.commons.beanutils2.ConversionException;
 import org.apache.commons.beanutils2.Converter;
 import org.junit.jupiter.api.Test;
+import org.junitpioneer.jupiter.DefaultLocale;
 
 /**
  * Abstract base for &lt;Date&gt;Converter classes.
@@ -272,21 +273,16 @@ public void testLocale() {
      * Test that a configured Locale is honored when a pattern is also set.
      */
     @Test
+    @DefaultLocale(language = "en", country = "US")
     void testLocaleWithPattern() {
-        // Pin the default Locale to one whose month names differ from the configured Locale.
-        final Locale defaultLocale = Locale.getDefault();
-        Locale.setDefault(Locale.US);
-        try {
-            final String pattern = "dd MMMM yyyy"; // month name is Locale-sensitive
-            final DateTimeConverter<T> converter = makeConverter();
-            converter.setLocale(Locale.GERMANY);
-            converter.setPattern(pattern);
-            final String testString = "28 Oktober 2006";
-            final Object expected = toType(testString, pattern, Locale.GERMANY);
-            validConversion(converter, expected, testString);
-        } finally {
-            Locale.setDefault(defaultLocale);
-        }
+        // The default Locale's month names differ from the configured Locale's.
+        final String pattern = "dd MMMM yyyy"; // month name is Locale-sensitive
+        final DateTimeConverter<T> converter = makeConverter();
+        converter.setLocale(Locale.GERMANY);
+        converter.setPattern(pattern);
+        final String testString = "28 Oktober 2006";
+        final Object expected = toType(testString, pattern, Locale.GERMANY);
+        validConversion(converter, expected, testString);
     }
 
     /**