Upgrade Oracle Database version.

Upgrade database itself to the latest 23ai version.
The JDBC driver to 23.4.0.24.05
The R2DBC driver to 1.2.0

Closes #1804
Original pull request #1805

Author: loiclefevre

pom.xml

@@ -38,12 +38,7 @@
 		<mssql.version>12.2.0.jre11</mssql.version>
 		<mysql-connector-java.version>8.0.32</mysql-connector-java.version>
 		<postgresql.version>42.6.0</postgresql.version>
-		<!--
-			The Oracle driver 23.3.0.23.09 is not considered production ready by Oracle, but it fixes two important problems for Spring Data JDBC:
-		 	https://stackoverflow.com/q/72717261/66686
-		 	https://stackoverflow.com/q/62263576/66686
-		 -->
-		<oracle.version>23.3.0.23.09</oracle.version>
+		<oracle.version>23.4.0.24.05</oracle.version>
 
 		<!-- test utilities-->
 		<awaitility.version>4.2.0</awaitility.version>

spring-data-jdbc/src/test/java/org/springframework/data/jdbc/testing/OracleDataSourceConfiguration.java

@@ -28,14 +28,15 @@
 import org.testcontainers.utility.DockerImageName;
 
 /**
- * {@link DataSource} setup for Oracle Database XE. Starts a docker container with an Oracle database.
+ * {@link DataSource} setup for Oracle Database 23ai FREE. Starts a docker container with an Oracle database.
  *
  * @see <a href=
- *      "https://blogs.oracle.com/oraclemagazine/deliver-oracle-database-18c-express-edition-in-containers">Oracle
+ *      "https://github.com/gvenzl/oci-oracle-free">Oracle
  *      Docker Image</a>
  * @see <a href="https://www.testcontainers.org/modules/databases/oraclexe/">Testcontainers Oracle</a>
  * @author Thomas Lang
  * @author Jens Schauder
+ * @author Loïc Lefèvre
  */
 @Configuration(proxyBeanMethods = false)
 @ConditionalOnDatabase(DatabaseType.ORACLE)
@@ -55,7 +56,7 @@ protected DataSource createDataSource() {
 		if (ORACLE_CONTAINER == null) {
 
 			LOG.info("Oracle starting...");
-			DockerImageName dockerImageName = DockerImageName.parse("gvenzl/oracle-free:23.3-slim");
+			DockerImageName dockerImageName = DockerImageName.parse("gvenzl/oracle-free:23-slim");
 			OracleContainer container = new OracleContainer(dockerImageName) //
 					.withStartupTimeoutSeconds(200) //
 					.withReuse(true);
@@ -73,7 +74,7 @@ protected DataSource createDataSource() {
 
 	private void initDb() {
 
-		final DriverManagerDataSource dataSource = new DriverManagerDataSource(ORACLE_CONTAINER.getJdbcUrl(), "SYSTEM",
+		final DriverManagerDataSource dataSource = new DriverManagerDataSource(ORACLE_CONTAINER.getJdbcUrl(), "system",
 				ORACLE_CONTAINER.getPassword());
 		final JdbcTemplate jdbc = new JdbcTemplate(dataSource);
 		jdbc.execute("GRANT ALL PRIVILEGES TO " + ORACLE_CONTAINER.getUsername());

spring-data-r2dbc/pom.xml

@@ -31,7 +31,7 @@
 		<r2dbc-mariadb.version>1.1.4</r2dbc-mariadb.version>
 		<r2dbc-mssql.version>1.0.2.RELEASE</r2dbc-mssql.version>
 		<r2dbc-mysql.version>1.0.2</r2dbc-mysql.version>
-		<oracle-r2dbc.version>1.1.1</oracle-r2dbc.version>
+		<oracle-r2dbc.version>1.2.0</oracle-r2dbc.version>
 		<r2dbc-spi.version>1.0.0.RELEASE</r2dbc-spi.version>
 		<reactive-streams.version>1.0.4</reactive-streams.version>
 		<netty>4.1.107.Final</netty>
@@ -190,7 +190,7 @@
 		<dependency>
 			<groupId>com.oracle.database.jdbc</groupId>
 			<artifactId>ojdbc11</artifactId>
-			<version>21.5.0.0</version>
+			<version>23.4.0.24.05</version>
 			<scope>test</scope>
 		</dependency>
 

spring-data-r2dbc/src/test/java/org/springframework/data/r2dbc/testing/OracleTestSupport.java

@@ -36,6 +36,7 @@
  *
  * @author Mark Paluch
  * @author Jens Schauder
+ * @author Loïc Lefèvre
  */
 public class OracleTestSupport {
 
@@ -113,10 +114,10 @@ private static ExternalDatabase local() {
 		return ProvidedDatabase.builder() //
 				.hostname("localhost") //
 				.port(1521) //
-				.database("XEPDB1") //
-				.username("system") //
-				.password("oracle") //
-				.jdbcUrl("jdbc:oracle:thin:system/oracle@localhost:1521:XEPDB1") //
+				.database("freepdb1") //
+				.username("test") //
+				.password("test") //
+				.jdbcUrl("jdbc:oracle:thin:test/test@localhost:1521/freepdb1") //
 				.build();
 	}
 
@@ -128,7 +129,7 @@ private static ExternalDatabase testContainer() {
 		if (testContainerDatabase == null) {
 
 			try {
-				OracleContainer container = new OracleContainer("23.3-slim") //
+				OracleContainer container = new OracleContainer("gvenzl/oracle-free:23-slim") //
 						.withReuse(true) //
 						.withStartupTimeoutSeconds(200); // the default of 60s isn't sufficient
 				container.start();
@@ -167,7 +168,7 @@ public static DataSource createDataSource(ExternalDatabase database) {
 
 		DriverManagerDataSource dataSource = new DriverManagerDataSource();
 
-		dataSource.setUrl(database.getJdbcUrl().replace(":xe", "/XEPDB1"));
+		dataSource.setUrl(database.getJdbcUrl().replace(":freepdb1", "/freepdb1"));
 		dataSource.setUsername(database.getUsername());
 		dataSource.setPassword(database.getPassword());