Switch to Testcontainers Oracle Free.

Timeout increased from the default because that cause problems on CI.
Brought SD JDBC now uses `ojdbc11` as R2DBC.

Closes #1665
Original pull request #1668

spring-data-jdbc/pom.xml

@@ -208,7 +208,7 @@
 
 		<dependency>
 			<groupId>com.oracle.database.jdbc</groupId>
-			<artifactId>ojdbc8</artifactId>
+			<artifactId>ojdbc11</artifactId>
 			<version>${oracle.version}</version>
 			<scope>test</scope>
 		</dependency>
@@ -251,7 +251,7 @@
 
 		<dependency>
 			<groupId>org.testcontainers</groupId>
-			<artifactId>oracle-xe</artifactId>
+			<artifactId>oracle-free</artifactId>
 			<scope>test</scope>
 		</dependency>
 

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

@@ -24,7 +24,8 @@ import org.springframework.context.annotation.Profile;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.datasource.DriverManagerDataSource;
 import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
-import org.testcontainers.containers.OracleContainer;
+import org.testcontainers.oracle.OracleContainer;
+import org.testcontainers.utility.DockerImageName;
 
 /**
  * {@link DataSource} setup for Oracle Database XE. Starts a docker container with an Oracle database.
@@ -50,7 +51,10 @@ public class OracleDataSourceConfiguration extends DataSourceConfiguration {
 		if (ORACLE_CONTAINER == null) {
 
 			LOG.info("Oracle starting...");
-			OracleContainer container = new OracleContainer("gvenzl/oracle-xe:21.3.0-slim").withReuse(true);
+			DockerImageName dockerImageName = DockerImageName.parse("gvenzl/oracle-free:23.3-slim");
+			OracleContainer container = new OracleContainer(dockerImageName) //
+					.withStartupTimeoutSeconds(200) //
+					.withReuse(true);
 			container.start();
 			LOG.info("Oracle started");
 

spring-data-r2dbc/pom.xml

@@ -310,7 +310,7 @@
 
 		<dependency>
 			<groupId>org.testcontainers</groupId>
-			<artifactId>oracle-xe</artifactId>
+			<artifactId>oracle-free</artifactId>
 			<scope>test</scope>
 		</dependency>
 

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

@@ -29,7 +29,7 @@ import org.springframework.data.r2dbc.testing.ExternalDatabase.ProvidedDatabase;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.datasource.DriverManagerDataSource;
 import org.springframework.util.ClassUtils;
-import org.testcontainers.containers.OracleContainer;
+import org.testcontainers.oracle.OracleContainer;
 
 /**
  * Utility class for testing against Oracle.
@@ -128,7 +128,9 @@ public class OracleTestSupport {
 		if (testContainerDatabase == null) {
 
 			try {
-				OracleContainer container = new OracleContainer("gvenzl/oracle-xe:21.3.0-slim").withReuse(true);
+				OracleContainer container = new OracleContainer("23.3-slim") //
+						.withReuse(true) //
+						.withStartupTimeoutSeconds(200); // the default of 60s isn't sufficient
 				container.start();
 
 				testContainerDatabase = ProvidedDatabase.builder(container) //