Fix #319: add test to show databind 2.18.1 fixes issue (#321)

datetime/src/test/java/com/fasterxml/jackson/datatype/jsr310/misc/DateTimeExceptionTest.java

@@ -0,0 +1,24 @@
+package com.fasterxml.jackson.datatype.jsr310.misc;
+
+import java.time.DateTimeException;
+
+import org.junit.Test;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.ModuleTestBase;
+
+import static org.junit.Assert.assertEquals;
+
+public class DateTimeExceptionTest extends ModuleTestBase
+{
+    private final ObjectMapper MAPPER = newMapper();
+
+    // [modules-java#319]: should not fail to ser/deser DateTimeException
+    @Test
+    public void testDateTimeExceptionRoundtrip() throws Exception
+    {
+        String json = MAPPER.writeValueAsString(new DateTimeException("Test!"));
+        DateTimeException result = MAPPER.readValue(json, DateTimeException.class);
+        assertEquals("Test!", result.getMessage());
+    }
+}

release-notes/CREDITS-2.x

@@ -199,3 +199,7 @@ Emanuel Trandafir (@etrandafir93)
  * Contribtued fix for #274: Deserializing `java.time.Month` from an int causes an off-by-one
    error (`0`->`Jan`,`11`->`Dec`), because it's an enum
   (2.17.0)
+
+Ólafur Bragason (@olibraga)
+ * Reported #319: `java.time.DateTimeException` serialization fails
+  (2.18.1)

release-notes/VERSION-2.x

@@ -8,6 +8,11 @@ Modules:
 === Releases ===
 ------------------------------------------------------------------------
 
+2.18.1 (not yet released)
+
+#319: `java.time.DateTimeException` serialization fails
+ (repored by Ólafur B)
+
 2.18.0 (26-Sep-2024)
 
 No changes since 2.17