Upgrades Oracle database libraries to version 21.9.0.0. Adds tests under datasource-ucp CDI integration.

dependencies/pom.xml

@@ -127,7 +127,8 @@
         <version.lib.neo4j>5.12.0</version.lib.neo4j>
         <version.lib.netty>4.1.100.Final</version.lib.netty>
         <version.lib.oci>3.34.0</version.lib.oci>
-        <version.lib.ojdbc8>21.4.0.0</version.lib.ojdbc8>
+        <version.lib.ojdbc>21.11.0.0</version.lib.ojdbc>
+        <version.lib.ojdbc8>${version.lib.ojdbc}</version.lib.ojdbc8>
         <!-- Force upgrade okio for CVE-2023-3635. When okhttp 4.12.0 is available we can remove this -->
         <version.lib.okio>3.4.0</version.lib.okio>
         <!-- Force upgrade okhttp3 for CVE-2023-0833 -->
@@ -1379,7 +1380,7 @@
             <dependency>
                 <groupId>com.oracle.database.jdbc</groupId>
                 <artifactId>ojdbc-bom</artifactId>
-                <version>${version.lib.ojdbc8}</version>
+                <version>${version.lib.ojdbc}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>

examples/employee-app/pom.xml

@@ -39,7 +39,7 @@
     <dependencies>
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>
-            <artifactId>ojdbc8-production</artifactId>
+            <artifactId>ojdbc11-production</artifactId>
             <type>pom</type>
         </dependency>
         <dependency>

examples/integrations/cdi/datasource-hikaricp/pom.xml

@@ -52,7 +52,7 @@
         <!-- Runtime-scoped dependencies. -->
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>
-            <artifactId>ojdbc8-production</artifactId>
+            <artifactId>ojdbc11-production</artifactId>
             <type>pom</type>
             <scope>runtime</scope>
         </dependency>

examples/integrations/oci/atp-cdi/pom.xml

@@ -44,7 +44,7 @@
         </dependency>
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>
-            <artifactId>ojdbc8-production</artifactId>
+            <artifactId>ojdbc11-production</artifactId>
             <type>pom</type>
         </dependency>
         <dependency>

examples/integrations/oci/atp/pom.xml

@@ -52,7 +52,7 @@
         </dependency>
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>
-            <artifactId>ojdbc8-production</artifactId>
+            <artifactId>ojdbc11-production</artifactId>
             <type>pom</type>
         </dependency>
         <dependency>

integrations/cdi/datasource-ucp/pom.xml

@@ -42,7 +42,7 @@
         </dependency>
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>
-            <artifactId>ojdbc8-production</artifactId>
+            <artifactId>ojdbc11-production</artifactId>
             <type>pom</type>
             <scope>compile</scope>
         </dependency>

integrations/cdi/datasource-ucp/src/test/java/io/helidon/integrations/datasource/ucp/cdi/TestUcpConnectionStateResetBehavior.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2024 Oracle and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.helidon.integrations.datasource.ucp.cdi;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+
+import oracle.ucp.jdbc.ConnectionInitializationCallback;
+import oracle.ucp.jdbc.PoolDataSource;
+import oracle.ucp.jdbc.PoolDataSourceFactory;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.jupiter.api.Assertions.fail;
+
+/**
+ * A test class that shows that the Universal Connection Pool does not reset connection state when a borrowed connection
+ * is returned.
+ */
+class TestUcpConnectionStateResetBehavior {
+
+    private PoolDataSource pds;
+
+    private TestUcpConnectionStateResetBehavior() {
+        super();
+    }
+
+    @BeforeEach
+    void initializeDataSource() throws SQLException {
+        this.pds = PoolDataSourceFactory.getPoolDataSource();
+
+        // We register this callback, knowing that UCP will ignore it, despite documentation that does not say so. It
+        // ignores it because the connection factory (DataSource) we use is H2, not Oracle. In case UCP fixes this
+        // shortcoming we want to know about it.
+        this.pds.registerConnectionInitializationCallback(new FailingCallback());
+        assertThat(this.pds.getConnectionInitializationCallback(), is(instanceOf(FailingCallback.class)));
+
+        this.pds.setConnectionFactoryClassName("org.h2.jdbcx.JdbcDataSource");
+        this.pds.setURL("jdbc:h2:mem:" + this.getClass().getSimpleName());
+        this.pds.setUser("sa");
+        this.pds.setPassword("");
+
+        this.pds.setInitialPoolSize(2);
+        this.pds.setMinPoolSize(2);
+        this.pds.setMaxPoolSize(8); // actually the default but just being explicit
+    }
+
+    @AfterEach
+    void destroyDataSource() throws SQLException {
+        this.pds.unregisterConnectionInitializationCallback();
+    }
+
+    @Test
+    void testUCPErroneouslyDoesNotResetConnectionStateOnReturn() throws SQLException {
+
+        // The connection pool has two connections in it.
+
+        // Borrow connection zero.
+        Connection c0 = this.pds.getConnection();
+        assertThat(c0.getAutoCommit(), is(true)); // we never set it anywhere; default value is true
+
+        // Borrow connection one.
+        Connection c1 = this.pds.getConnection();
+        assertThat(c1.getAutoCommit(), is(true)); // we never set it anywhere; default value is true
+
+        // There are now no more connections available in the pool.
+        assertThat(this.pds.getAvailableConnectionsCount(), is(0));
+
+        // Change the state of connection one.
+        c1.setAutoCommit(false);
+
+        // Return it to the pool.
+        c1.close();
+
+        // There is now exactly one connection available in the pool (the one we just returned).
+        assertThat(this.pds.getAvailableConnectionsCount(), is(1));
+
+        // Borrow connection two. (It will be connection one.)
+        Connection c2 = this.pds.getConnection();
+
+        // There are now no more connections available in the pool.
+        assertThat(this.pds.getAvailableConnectionsCount(), is(0));
+
+        // Note that the state of connection two includes the state of connection one. Oops. The pool really should
+        // reset at least this portion of the connection state, but it does not.
+        assertThat(c2.getAutoCommit(), is(false));
+
+        // Return it.
+        c2.close();
+
+        // Return connection zero.
+        c0.close();
+
+        // No more borrowed connections are extant.
+        assertThat(this.pds.getAvailableConnectionsCount(), is(2));
+    }
+
+    private static class FailingCallback implements ConnectionInitializationCallback {
+
+        private FailingCallback() {
+            super();
+        }
+
+        @Override
+        public void initialize(Connection connection) throws SQLException {
+            // ConnectionInitializationCallbacks are ignored by the UCP unless you are using an Oracle JDBC driver.
+            fail();
+        }
+
+    }
+
+}

integrations/cdi/datasource-ucp/src/test/logging.properties

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2019, 2022 Oracle and/or its affiliates.
+# Copyright (c) 2019, 2024 Oracle and/or its affiliates.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-.level=INFO
-handlers=io.helidon.logging.jul.HelidonConsoleHandler
-oracle.ucp.level=FINE
+.level = INFO
+# handlers = io.helidon.logging.jul.HelidonConsoleHandler
+handlers = java.util.logging.ConsoleHandler
+java.util.logging.ConsoleHandler.level = FINEST
+oracle.ucp.level = FINEST

integrations/db/ojdbc/pom.xml

@@ -41,7 +41,7 @@
         </dependency>
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>
-            <artifactId>ojdbc8-production</artifactId>
+            <artifactId>ojdbc11-production</artifactId>
             <type>pom</type>
             <exclusions>
                 <exclusion>
@@ -59,7 +59,7 @@
             <!-- Include version without JAXP impl -->
             <groupId>com.oracle.database.xml</groupId>
             <artifactId>xmlparserv2_sans_jaxp_services</artifactId>
-            <version>${version.lib.ojdbc8}</version>
+            <version>${version.lib.ojdbc}</version>
             <scope>runtime</scope>
         </dependency>
     </dependencies>

messaging/connectors/aq/pom.xml

@@ -63,7 +63,7 @@
         </dependency>
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>
-            <artifactId>ojdbc8-production</artifactId>
+            <artifactId>ojdbc11-production</artifactId>
             <type>pom</type>
         </dependency>
         <dependency>