diff --git a/gradle/libraries.gradle b/gradle/libraries.gradle
index b7a86a018a..1ed339b8dc 100644
--- a/gradle/libraries.gradle
+++ b/gradle/libraries.gradle
@@ -13,7 +13,10 @@ ext {
     junitVintageVersion = '5.8.2'
     junit5Version = '5.8.2'
 
-    h2Version = '1.4.197'
+    h2Version = '2.1.210'
+    h2GisVersion = '2.0.0'
+//    h2Version = '1.4.197'
+//    h2GisVersion = '1.5.0'
     bytemanVersion = '4.0.16' //Compatible with JDK16
     jnpVersion = '5.0.6.CR1'
 
@@ -151,8 +154,8 @@ ext {
             byteman_install: "org.jboss.byteman:byteman-install:${bytemanVersion}",
             byteman_bmunit:  "org.jboss.byteman:byteman-bmunit:${bytemanVersion}",
             h2:              "com.h2database:h2:${h2Version}",
-            h2gis:           "org.orbisgis:h2gis:1.5.0",
-            hsqldb:          "org.hsqldb:hsqldb:2.3.6",
+            h2gis:           "org.orbisgis:h2gis:${h2GisVersion}",
+            hsqldb:          "org.hsqldb:hsqldb:2.6.1",
             derby:           "org.apache.derby:derby:10.14.2.0",
             postgresql:      'org.postgresql:postgresql:42.2.16',
             mysql:           'mysql:mysql-connector-java:8.0.27',
diff --git a/hibernate-core/src/main/java/org/hibernate/dialect/H2Dialect.java b/hibernate-core/src/main/java/org/hibernate/dialect/H2Dialect.java
index 5674ebef65..13b5dd14d0 100644
--- a/hibernate-core/src/main/java/org/hibernate/dialect/H2Dialect.java
+++ b/hibernate-core/src/main/java/org/hibernate/dialect/H2Dialect.java
@@ -178,11 +178,7 @@ public class H2Dialect extends Dialect {
 			case NCHAR:
 				return columnType( CHAR );
 			case NVARCHAR:
-			case LONG32NVARCHAR:
-			case LONG32VARCHAR:
 				return columnType( VARCHAR );
-			case LONG32VARBINARY:
-				return columnType( VARBINARY );
 		}
 		return super.columnType( sqlTypeCode );
 	}
@@ -235,7 +231,7 @@ public class H2Dialect extends Dialect {
 			jdbcTypeRegistry.addDescriptorIfAbsent( UUIDJdbcType.INSTANCE );
 		}
 		if ( getVersion().isSameOrAfter( 1, 4, 198 ) ) {
-			jdbcTypeRegistry.addDescriptorIfAbsent( DurationIntervalSecondJdbcType.INSTANCE );
+			jdbcTypeRegistry.addDescriptorIfAbsent( H2DurationIntervalSecondJdbcType.INSTANCE );
 		}
 	}
 
diff --git a/hibernate-core/src/main/java/org/hibernate/dialect/DurationIntervalSecondJdbcType.java b/hibernate-core/src/main/java/org/hibernate/dialect/H2DurationIntervalSecondJdbcType.java
similarity index 75%
rename from hibernate-core/src/main/java/org/hibernate/dialect/DurationIntervalSecondJdbcType.java
rename to hibernate-core/src/main/java/org/hibernate/dialect/H2DurationIntervalSecondJdbcType.java
index b7f514229b..f249a75719 100644
--- a/hibernate-core/src/main/java/org/hibernate/dialect/DurationIntervalSecondJdbcType.java
+++ b/hibernate-core/src/main/java/org/hibernate/dialect/H2DurationIntervalSecondJdbcType.java
@@ -26,9 +26,9 @@ import org.hibernate.type.descriptor.jdbc.JdbcType;
 /**
  * @author Christian Beikov
  */
-public class DurationIntervalSecondJdbcType implements JdbcType {
+public class H2DurationIntervalSecondJdbcType implements JdbcType {
 
-	public static final DurationIntervalSecondJdbcType INSTANCE = new DurationIntervalSecondJdbcType();
+	public static final H2DurationIntervalSecondJdbcType INSTANCE = new H2DurationIntervalSecondJdbcType();
 
 	@Override
 	public int getJdbcTypeCode() {
@@ -74,17 +74,32 @@ public class DurationIntervalSecondJdbcType implements JdbcType {
 		return new BasicExtractor<>( javaType, this ) {
 			@Override
 			protected X doExtract(ResultSet rs, int paramIndex, WrapperOptions options) throws SQLException {
+				// Handle the fact that a duration could also come as number of nanoseconds
+				final Object nativeValue = rs.getObject( paramIndex );
+				if ( nativeValue instanceof Number ) {
+					return javaType.wrap( nativeValue, options );
+				}
 				return javaType.wrap( rs.getObject( paramIndex, Duration.class ), options );
 			}
 
 			@Override
 			protected X doExtract(CallableStatement statement, int index, WrapperOptions options) throws SQLException {
+				// Handle the fact that a duration could also come as number of nanoseconds
+				final Object nativeValue = statement.getObject( index );
+				if ( nativeValue instanceof Number ) {
+					return javaType.wrap( nativeValue, options );
+				}
 				return javaType.wrap( statement.getObject( index, Duration.class ), options );
 			}
 
 			@Override
 			protected X doExtract(CallableStatement statement, String name, WrapperOptions options)
 					throws SQLException {
+				// Handle the fact that a duration could also come as number of nanoseconds
+				final Object nativeValue = statement.getObject( name );
+				if ( nativeValue instanceof Number ) {
+					return javaType.wrap( nativeValue, options );
+				}
 				return javaType.wrap( statement.getObject( name, Duration.class ), options );
 			}
 		};