diff --git a/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/DataSourceBuilderTests.java b/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/DataSourceBuilderTests.java
index 82891618719e..ff8dc53d8775 100644
--- a/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/DataSourceBuilderTests.java
+++ b/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/DataSourceBuilderTests.java
@@ -34,9 +34,11 @@
 import com.zaxxer.hikari.HikariDataSource;
 import oracle.jdbc.internal.OpaqueString;
 import oracle.jdbc.pool.OracleDataSource;
+import oracle.ucp.config.PoolPropertiesException;
 import oracle.ucp.jdbc.PoolDataSource;
 import oracle.ucp.jdbc.PoolDataSourceImpl;
 import org.apache.commons.dbcp2.BasicDataSource;
+import org.assertj.core.util.introspection.FieldSupport;
 import org.h2.Driver;
 import org.h2.jdbcx.JdbcDataSource;
 import org.jspecify.annotations.Nullable;
@@ -383,8 +385,9 @@ void buildWhenDerivedFromOracleDataSourceWithPasswordSetReturnsDataSource() thro
 			.password("secret2")
 			.build();
 		assertThat(built.getUser()).isEqualTo("test2");
-		assertThat(built).extracting("password")
-			.extracting((opaque) -> ((OpaqueString) opaque).get())
+		assertThat(built)
+			.extracting((target) -> FieldSupport.extraction().fieldValue("password", OpaqueString.class, target))
+			.extracting(OpaqueString::get)
 			.isEqualTo("secret2");
 		assertThat(built.getURL()).isEqualTo("example.com");
 	}
@@ -398,12 +401,19 @@ void buildWhenDerivedFromOracleUcpWithPasswordSetReturnsDataSource() throws SQLE
 		DataSourceBuilder<?> builder = DataSourceBuilder.derivedFrom(dataSource);
 		PoolDataSource built = (PoolDataSource) builder.username("test2").password("secret2").build();
 		assertThat(built.getUser()).isEqualTo("test2");
-		assertThat(built).extracting("password")
-			.extracting((opaque) -> ((oracle.ucp.util.OpaqueString) opaque).get())
-			.isEqualTo("secret2");
+		assertThat(built).extracting(this::getPassword).isEqualTo("secret2");
 		assertThat(built.getURL()).isEqualTo("example.com");
 	}
 
+	private String getPassword(PoolDataSource target) {
+		try {
+			return ((oracle.ucp.util.OpaqueString) target.getPoolProperties().getPoolProperty("password")).get();
+		}
+		catch (PoolPropertiesException ex) {
+			throw new IllegalStateException(ex);
+		}
+	}
+
 	@Test
 	void buildWhenDerivedFromEmbeddedDatabase() {
 		EmbeddedDatabase database = new EmbeddedDatabaseBuilder().setType(EmbeddedDatabaseType.HSQL).build();
diff --git a/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/autoconfigure/OracleUcpDataSourceConfigurationTests.java b/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/autoconfigure/OracleUcpDataSourceConfigurationTests.java
index 384c9dcac082..65e6e1dad5b5 100644
--- a/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/autoconfigure/OracleUcpDataSourceConfigurationTests.java
+++ b/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/autoconfigure/OracleUcpDataSourceConfigurationTests.java
@@ -21,6 +21,7 @@
 
 import javax.sql.DataSource;
 
+import oracle.ucp.config.PoolPropertiesException;
 import oracle.ucp.jdbc.PoolDataSource;
 import oracle.ucp.jdbc.PoolDataSourceImpl;
 import oracle.ucp.util.OpaqueString;
@@ -123,13 +124,20 @@ void usesCustomJdbcConnectionDetailsWhenDefined() {
 				assertThat(dataSource).isInstanceOf(PoolDataSourceImpl.class);
 				PoolDataSourceImpl oracleUcp = (PoolDataSourceImpl) dataSource;
 				assertThat(oracleUcp.getUser()).isEqualTo("user-1");
-				assertThat(oracleUcp).extracting("password")
-					.extracting((o) -> ((OpaqueString) o).get())
-					.isEqualTo("password-1");
+				assertThat(oracleUcp).extracting(this::getPassword).isEqualTo("password-1");
 				assertThat(oracleUcp.getConnectionFactoryClassName())
 					.isEqualTo(DatabaseDriver.POSTGRESQL.getDriverClassName());
 				assertThat(oracleUcp.getURL()).isEqualTo("jdbc:customdb://customdb.example.com:12345/database-1");
 			});
 	}
 
+	private String getPassword(PoolDataSource target) {
+		try {
+			return ((OpaqueString) target.getPoolProperties().getPoolProperty("password")).get();
+		}
+		catch (PoolPropertiesException ex) {
+			throw new IllegalStateException(ex);
+		}
+	}
+
 }
diff --git a/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/autoconfigure/OracleUcpJdbcConnectionDetailsBeanPostProcessorTests.java b/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/autoconfigure/OracleUcpJdbcConnectionDetailsBeanPostProcessorTests.java
index a3b19c2c9af6..216938ec7b7a 100644
--- a/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/autoconfigure/OracleUcpJdbcConnectionDetailsBeanPostProcessorTests.java
+++ b/module/spring-boot-jdbc/src/test/java/org/springframework/boot/jdbc/autoconfigure/OracleUcpJdbcConnectionDetailsBeanPostProcessorTests.java
@@ -18,6 +18,8 @@
 
 import java.sql.SQLException;
 
+import oracle.ucp.config.PoolPropertiesException;
+import oracle.ucp.jdbc.PoolDataSource;
 import oracle.ucp.jdbc.PoolDataSourceImpl;
 import oracle.ucp.util.OpaqueString;
 import org.junit.jupiter.api.Test;
@@ -49,11 +51,18 @@ void setUsernamePasswordUrlAndDriverClassName() throws SQLException {
 				new TestJdbcConnectionDetails());
 		assertThat(dataSource.getURL()).isEqualTo("jdbc:customdb://customdb.example.com:12345/database-1");
 		assertThat(dataSource.getUser()).isEqualTo("user-1");
-		assertThat(dataSource).extracting("password")
-			.extracting((password) -> ((OpaqueString) password).get())
-			.isEqualTo("password-1");
+		assertThat(dataSource).extracting(this::getPassword).isEqualTo("password-1");
 		assertThat(dataSource.getConnectionFactoryClassName())
 			.isEqualTo(DatabaseDriver.POSTGRESQL.getDriverClassName());
 	}
 
+	private String getPassword(PoolDataSource target) {
+		try {
+			return ((OpaqueString) target.getPoolProperties().getPoolProperty("password")).get();
+		}
+		catch (PoolPropertiesException ex) {
+			throw new IllegalStateException(ex);
+		}
+	}
+
 }
diff --git a/platform/spring-boot-dependencies/build.gradle b/platform/spring-boot-dependencies/build.gradle
index ac109d51a86b..003b41d17a5c 100644
--- a/platform/spring-boot-dependencies/build.gradle
+++ b/platform/spring-boot-dependencies/build.gradle
@@ -1120,10 +1120,6 @@ bom {
 			contains ".alpha"
 			because "we don't want alpha dependencies"
 		}
-		prohibit {
-			versionRange "[12.1.9]"
-			because "it contains a regression (https://github.com/jetty/jetty.project/issues/15021)"
-		}
 		group("org.eclipse.jetty.ee11") {
 			bom("jetty-ee11-bom")
 		}