HHH-18532 Using java.util.Calendar instead of java.time.* clases to convert milliseconds into java.sql.Time

Author: cigaly

hibernate-core/src/main/java/org/hibernate/type/descriptor/java/AbstractTemporalJavaType.java

@@ -5,9 +5,7 @@
 package org.hibernate.type.descriptor.java;
 
 import java.sql.Time;
-import java.time.Instant;
-import java.time.LocalTime;
-import java.time.ZoneId;
+import java.util.Calendar;
 import java.util.Comparator;
 
 import jakarta.persistence.TemporalType;
@@ -65,9 +63,14 @@ private <X> TemporalJavaType<X> forMissingPrecision(TypeConfiguration typeConfig
 	}
 
 	public static Time millisToSqlTime(long millis) {
-		final LocalTime localTime = Instant.ofEpochMilli( millis ).atZone( ZoneId.systemDefault() ).toLocalTime();
-		final Time time = Time.valueOf( localTime );
-		time.setTime( time.getTime() + localTime.getNano() / 1_000_000 );
+		Calendar calendar = Calendar.getInstance();
+		calendar.setTimeInMillis( millis );
+		calendar.set(Calendar.YEAR, 1970);
+		calendar.set(Calendar.MONTH, 0);
+		calendar.set(Calendar.DAY_OF_MONTH, 1);
+
+		final Time time = new Time(millis);
+		time.setTime( calendar.getTimeInMillis()  );
 		return time;
 	}
 

hibernate-core/src/test/java/org/hibernate/orm/test/mapping/type/java/DateSubclassesUnwrapTest.java

@@ -1,5 +1,5 @@
 /*
- * SPDX-License-Identifier: LGPL-2.1-or-later
+ * SPDX-License-Identifier: Apache-2.0
  * Copyright Red Hat Inc. and Hibernate Authors
  */
 package org.hibernate.orm.test.mapping.type.java;