Avoid using Java 8 ZoneId class

Issue: SPR-12594

spring-web/src/main/java/org/springframework/http/converter/json/Jackson2ObjectMapperBuilder.java

@@ -18,7 +18,6 @@ package org.springframework.http.converter.json;
 
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
-import java.time.ZoneId;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.LinkedList;
@@ -168,7 +167,7 @@ public class Jackson2ObjectMapperBuilder {
 	 * @since 4.1.5
 	 */
 	public Jackson2ObjectMapperBuilder timeZone(String zoneId) {
-		this.timeZone = TimeZone.getTimeZone(ZoneId.of(zoneId));
+		this.timeZone = TimeZone.getTimeZone(zoneId);
 		return this;
 	}
 

spring-web/src/test/java/org/springframework/http/converter/json/Jackson2ObjectMapperBuilderTests.java

@@ -17,8 +17,6 @@
 package org.springframework.http.converter.json;
 
 import java.text.SimpleDateFormat;
-import java.time.ZoneId;
-import java.time.zone.ZoneRulesException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
@@ -179,7 +177,7 @@ public class Jackson2ObjectMapperBuilderTests {
 
 	@Test
 	public void timeZoneSetter() {
-		TimeZone timeZone = TimeZone.getTimeZone(ZoneId.of("Europe/Paris"));
+		TimeZone timeZone = TimeZone.getTimeZone("Europe/Paris");
 		ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json().timeZone(timeZone).build();
 		assertEquals(timeZone, objectMapper.getSerializationConfig().getTimeZone());
 		assertEquals(timeZone, objectMapper.getDeserializationConfig().getTimeZone());
@@ -189,15 +187,18 @@ public class Jackson2ObjectMapperBuilderTests {
 	public void timeZoneStringSetter() {
 		String zoneId = "Europe/Paris";
 		ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json().timeZone(zoneId).build();
-		TimeZone timeZone = TimeZone.getTimeZone(ZoneId.of(zoneId));
+		TimeZone timeZone = TimeZone.getTimeZone(zoneId);
 		assertEquals(timeZone, objectMapper.getSerializationConfig().getTimeZone());
 		assertEquals(timeZone, objectMapper.getDeserializationConfig().getTimeZone());
 	}
 
-	@Test(expected = ZoneRulesException.class)
+	@Test
 	public void wrongTimeZoneStringSetter() {
 		String zoneId = "foo";
-		Jackson2ObjectMapperBuilder.json().timeZone(zoneId).build();
+		ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json().timeZone(zoneId).build();
+		TimeZone timeZone = TimeZone.getTimeZone("GMT");
+		assertEquals(timeZone, objectMapper.getSerializationConfig().getTimeZone());
+		assertEquals(timeZone, objectMapper.getDeserializationConfig().getTimeZone());
 	}
 
 	@Test

spring-web/src/test/java/org/springframework/http/converter/json/Jackson2ObjectMapperFactoryBeanTests.java

@@ -17,8 +17,6 @@
 package org.springframework.http.converter.json;
 
 import java.text.SimpleDateFormat;
-import java.time.ZoneId;
-import java.time.zone.ZoneRulesException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
@@ -176,7 +174,7 @@ public class Jackson2ObjectMapperFactoryBeanTests {
 
 	@Test
 	public void timeZoneSetter() {
-		TimeZone timeZone = TimeZone.getTimeZone(ZoneId.of("Europe/Paris"));
+		TimeZone timeZone = TimeZone.getTimeZone("Europe/Paris");
 
 		this.factory.setTimeZone(timeZone);
 		this.factory.afterPropertiesSet();
@@ -192,17 +190,21 @@ public class Jackson2ObjectMapperFactoryBeanTests {
 		this.factory.setTimeZone(zoneId);
 		this.factory.afterPropertiesSet();
 
-		TimeZone timeZone = TimeZone.getTimeZone(ZoneId.of(zoneId));
+		TimeZone timeZone = TimeZone.getTimeZone(zoneId);
 		assertEquals(timeZone, this.factory.getObject().getSerializationConfig().getTimeZone());
 		assertEquals(timeZone, this.factory.getObject().getDeserializationConfig().getTimeZone());
 	}
 
-	@Test(expected = ZoneRulesException.class)
+	@Test
 	public void wrongTimeZoneStringSetter() {
 		String zoneId = "foo";
 
 		this.factory.setTimeZone(zoneId);
 		this.factory.afterPropertiesSet();
+
+		TimeZone timeZone = TimeZone.getTimeZone("GMT");
+		assertEquals(timeZone, this.factory.getObject().getSerializationConfig().getTimeZone());
+		assertEquals(timeZone, this.factory.getObject().getDeserializationConfig().getTimeZone());
 	}
 
 	@Test