#2967 - [ebean-joda] Joda JSON ISO8601 format for DateMidnight includes timezone

ebean-joda-time/src/main/java/io/ebean/joda/time/ScalarTypeJodaDateMidnight.java

@@ -23,7 +23,7 @@ final class ScalarTypeJodaDateMidnight extends ScalarTypeBaseDate<DateMidnight>
 
   @Override
   protected String toIsoFormat(DateMidnight value) {
-    return value.toString();
+    return value.toLocalDate().toString();
   }
 
   @Override

ebean-joda-time/src/test/java/io/ebean/joda/time/ScalarTypeJodaDateMidnightTest.java

@@ -0,0 +1,30 @@
+package io.ebean.joda.time;
+
+import com.fasterxml.jackson.core.JsonFactory;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonToken;
+import io.ebean.config.JsonConfig;
+import org.joda.time.DateMidnight;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.io.StringReader;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ScalarTypeJodaDateMidnightTest {
+
+  ScalarTypeJodaDateMidnight type = new ScalarTypeJodaDateMidnight(JsonConfig.Date.ISO8601);
+  JsonFactory jsonFactory = new JsonFactory();
+
+  @Test
+  void testIsoFormat() throws IOException {
+    // long millis = 1674472451640L;
+    JsonParser parser = jsonFactory.createParser(new StringReader("\"2023-01-23\""));
+    JsonToken token = parser.nextToken();
+    assertEquals(JsonToken.VALUE_STRING, token);
+    DateMidnight dm = type.jsonRead(parser);
+    String iso = type.toIsoFormat(dm);
+    assertEquals("2023-01-23", iso);
+  }
+}