diff --git a/flink-connectors/flink-connector-jdbc/pom.xml b/flink-connectors/flink-connector-jdbc/pom.xml
index 1a8954bd7bd8f..f9bb13ce1dff8 100644
--- a/flink-connectors/flink-connector-jdbc/pom.xml
+++ b/flink-connectors/flink-connector-jdbc/pom.xml
@@ -150,4 +150,17 @@ under the License.
+
+
+
+
+ org.apache.maven.plugins
+ maven-surefire-plugin
+
+
+ false
+
+
+
+
diff --git a/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/FakeDBUtils.java b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/FakeDBUtils.java
new file mode 100644
index 0000000000000..25c0eae63e95f
--- /dev/null
+++ b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/FakeDBUtils.java
@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.flink.connector.jdbc.fakedb;
+
+/**
+ * Utilities and constants for FakeDB.
+ */
+public class FakeDBUtils {
+ public static final String URL_PREFIX = "jdbc:fake:";
+
+ public static final String TEST_DB_URL = composeDBUrl("test");
+
+ public static final String DRIVER1_CLASS_NAME = "org.apache.flink.connector.jdbc.fakedb.driver.FakeDriver1";
+ public static final String DRIVER2_CLASS_NAME = "org.apache.flink.connector.jdbc.fakedb.driver.FakeDriver2";
+
+ public static String composeDBUrl(String db) {
+ return URL_PREFIX + db;
+ }
+
+ public static boolean acceptsUrl(String url) {
+ return url.startsWith(URL_PREFIX);
+ }
+}
diff --git a/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection.java b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection.java
new file mode 100644
index 0000000000000..35a17535eb636
--- /dev/null
+++ b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection.java
@@ -0,0 +1,318 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.flink.connector.jdbc.fakedb.driver;
+
+import java.sql.Array;
+import java.sql.Blob;
+import java.sql.CallableStatement;
+import java.sql.Clob;
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.NClob;
+import java.sql.PreparedStatement;
+import java.sql.SQLClientInfoException;
+import java.sql.SQLException;
+import java.sql.SQLWarning;
+import java.sql.SQLXML;
+import java.sql.Savepoint;
+import java.sql.Statement;
+import java.sql.Struct;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.Executor;
+
+/**
+ * A fake sql connection implementation which throws {@link SQLException} in most of its methods.
+ */
+public abstract class FakeConnection implements Connection {
+ private boolean closed = false;
+
+ @Override
+ public Statement createStatement() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public PreparedStatement prepareStatement(String sql) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public CallableStatement prepareCall(String sql) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public String nativeSQL(String sql) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setAutoCommit(boolean autoCommit) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean getAutoCommit() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void commit() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void rollback() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void close() throws SQLException {
+ closed = true;
+ }
+
+ @Override
+ public boolean isClosed() throws SQLException {
+ return closed;
+ }
+
+ @Override
+ public DatabaseMetaData getMetaData() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setReadOnly(boolean readOnly) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean isReadOnly() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setCatalog(String catalog) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public String getCatalog() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setTransactionIsolation(int level) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public int getTransactionIsolation() throws SQLException {
+ return TRANSACTION_NONE;
+ }
+
+ @Override
+ public SQLWarning getWarnings() throws SQLException {
+ return null;
+ }
+
+ @Override
+ public void clearWarnings() throws SQLException {
+ }
+
+ @Override
+ public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Map> getTypeMap() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setTypeMap(Map> map) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setHoldability(int holdability) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public int getHoldability() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Savepoint setSavepoint() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Savepoint setSavepoint(String name) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void rollback(Savepoint savepoint) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void releaseSavepoint(Savepoint savepoint) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Clob createClob() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Blob createBlob() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public NClob createNClob() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public SQLXML createSQLXML() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean isValid(int timeout) throws SQLException {
+ return !isClosed();
+ }
+
+ @Override
+ public void setClientInfo(String name, String value) throws SQLClientInfoException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setClientInfo(Properties properties) throws SQLClientInfoException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public String getClientInfo(String name) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Properties getClientInfo() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setSchema(String schema) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public String getSchema() throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void abort(Executor executor) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public int getNetworkTimeout() throws SQLException {
+ return 0;
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public T unwrap(Class iface) throws SQLException {
+ if (iface.isInstance(this)) {
+ return (T) this;
+ }
+ throw new SQLException(getClass() + " does not implement " + iface);
+ }
+
+ @Override
+ public boolean isWrapperFor(Class> iface) throws SQLException {
+ return iface.isInstance(this);
+ }
+}
diff --git a/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection1.java b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection1.java
new file mode 100644
index 0000000000000..56983d3440dca
--- /dev/null
+++ b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection1.java
@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.flink.connector.jdbc.fakedb.driver;
+
+import java.util.Properties;
+
+/**
+ * Sql connection created by {@link FakeDriver1#connect(String, Properties)}.
+ */
+public class FakeConnection1 extends FakeConnection {
+}
diff --git a/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection2.java b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection2.java
new file mode 100644
index 0000000000000..3f95a51fb1d54
--- /dev/null
+++ b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeConnection2.java
@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.flink.connector.jdbc.fakedb.driver;
+
+import java.util.Properties;
+
+/**
+ * Sql connection created by {@link FakeDriver2#connect(String, Properties)}.
+ */
+public class FakeConnection2 extends FakeConnection {
+}
diff --git a/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeDriver1.java b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeDriver1.java
new file mode 100644
index 0000000000000..01c1bfb6f056f
--- /dev/null
+++ b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeDriver1.java
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.flink.connector.jdbc.fakedb.driver;
+
+import org.apache.flink.connector.jdbc.fakedb.FakeDBUtils;
+
+import java.sql.Connection;
+import java.sql.Driver;
+import java.sql.DriverManager;
+import java.sql.DriverPropertyInfo;
+import java.sql.SQLException;
+import java.sql.SQLFeatureNotSupportedException;
+import java.util.Properties;
+import java.util.logging.Logger;
+
+/**
+ * A {@link Driver} for FakeDB.
+ */
+public class FakeDriver1 implements Driver {
+
+ static {
+ try {
+ DriverManager.registerDriver(new FakeDriver1());
+ } catch (SQLException ex) {
+ throw new ExceptionInInitializerError(ex);
+ }
+ }
+
+ @Override
+ public Connection connect(String url, Properties info) throws SQLException {
+ if (!acceptsURL(url)) {
+ return null;
+ }
+ return new FakeConnection1();
+ }
+
+ @Override
+ public boolean acceptsURL(String url) throws SQLException {
+ return FakeDBUtils.acceptsUrl(url);
+ }
+
+ @Override
+ public DriverPropertyInfo[] getPropertyInfo(String url, Properties info) throws SQLException {
+ return new DriverPropertyInfo[0];
+ }
+
+ @Override
+ public int getMajorVersion() {
+ return 0;
+ }
+
+ @Override
+ public int getMinorVersion() {
+ return 0;
+ }
+
+ @Override
+ public boolean jdbcCompliant() {
+ return false;
+ }
+
+ @Override
+ public Logger getParentLogger() throws SQLFeatureNotSupportedException {
+ throw new SQLFeatureNotSupportedException();
+ }
+}
diff --git a/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeDriver2.java b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeDriver2.java
new file mode 100644
index 0000000000000..4d749574f098d
--- /dev/null
+++ b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/fakedb/driver/FakeDriver2.java
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.flink.connector.jdbc.fakedb.driver;
+
+import org.apache.flink.connector.jdbc.fakedb.FakeDBUtils;
+
+import java.sql.Connection;
+import java.sql.Driver;
+import java.sql.DriverManager;
+import java.sql.DriverPropertyInfo;
+import java.sql.SQLException;
+import java.sql.SQLFeatureNotSupportedException;
+import java.util.Properties;
+import java.util.logging.Logger;
+
+/**
+ * Another {@link Driver} for FakeDB.
+ */
+public class FakeDriver2 implements Driver {
+
+ static {
+ try {
+ DriverManager.registerDriver(new FakeDriver2());
+ } catch (SQLException ex) {
+ throw new ExceptionInInitializerError(ex);
+ }
+ }
+
+ @Override
+ public Connection connect(String url, Properties info) throws SQLException {
+ if (!acceptsURL(url)) {
+ return null;
+ }
+ return new FakeConnection2();
+ }
+
+ @Override
+ public boolean acceptsURL(String url) throws SQLException {
+ return FakeDBUtils.acceptsUrl(url);
+ }
+
+ @Override
+ public DriverPropertyInfo[] getPropertyInfo(String url, Properties info) throws SQLException {
+ return new DriverPropertyInfo[0];
+ }
+
+ @Override
+ public int getMajorVersion() {
+ return 0;
+ }
+
+ @Override
+ public int getMinorVersion() {
+ return 0;
+ }
+
+ @Override
+ public boolean jdbcCompliant() {
+ return false;
+ }
+
+ @Override
+ public Logger getParentLogger() throws SQLFeatureNotSupportedException {
+ throw new SQLFeatureNotSupportedException();
+ }
+}
diff --git a/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/internal/connection/SimpleJdbcConnectionProviderDriverClassConcurrentLoadingTest.java b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/internal/connection/SimpleJdbcConnectionProviderDriverClassConcurrentLoadingTest.java
new file mode 100644
index 0000000000000..53212020f8985
--- /dev/null
+++ b/flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/internal/connection/SimpleJdbcConnectionProviderDriverClassConcurrentLoadingTest.java
@@ -0,0 +1,102 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 org.apache.flink.connector.jdbc.internal.connection;
+
+import org.apache.flink.connector.jdbc.JdbcConnectionOptions;
+import org.apache.flink.connector.jdbc.fakedb.FakeDBUtils;
+import org.apache.flink.core.testutils.CheckedThread;
+
+import org.junit.Test;
+
+import java.lang.reflect.Method;
+import java.sql.Connection;
+import java.util.concurrent.CountDownLatch;
+import java.util.function.Function;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * This test deals with sql driver class loading issues, write it alone so it won't be
+ * interfered by other tests.
+ */
+public class SimpleJdbcConnectionProviderDriverClassConcurrentLoadingTest {
+ private static boolean isClassLoaded(ClassLoader classLoader, String className) throws Exception {
+ do {
+ Method m = ClassLoader.class.getDeclaredMethod("findLoadedClass", String.class);
+ m.setAccessible(true);
+ Object loadedClass = m.invoke(classLoader, className);
+ if (loadedClass != null) {
+ return true;
+ }
+ classLoader = classLoader.getParent();
+ } while (classLoader != null);
+ return false;
+ }
+
+ @Test(timeout = 5000)
+ public void testDriverClassConcurrentLoading() throws Exception {
+ ClassLoader classLoader = getClass().getClassLoader();
+
+ assertFalse(isClassLoaded(classLoader, FakeDBUtils.DRIVER1_CLASS_NAME));
+ assertFalse(isClassLoaded(classLoader, FakeDBUtils.DRIVER2_CLASS_NAME));
+
+ JdbcConnectionOptions connectionOptions1 = new JdbcConnectionOptions.JdbcConnectionOptionsBuilder()
+ .withUrl(FakeDBUtils.TEST_DB_URL)
+ .withDriverName(FakeDBUtils.DRIVER1_CLASS_NAME)
+ .build();
+
+ JdbcConnectionOptions connectionOptions2 = new JdbcConnectionOptions.JdbcConnectionOptionsBuilder()
+ .withUrl(FakeDBUtils.TEST_DB_URL)
+ .withDriverName(FakeDBUtils.DRIVER2_CLASS_NAME)
+ .build();
+
+ CountDownLatch startLatch = new CountDownLatch(1);
+
+ Function connectionThreadCreator = options -> {
+ CheckedThread thread = new CheckedThread() {
+ @Override
+ public void go() throws Exception {
+ startLatch.await();
+ JdbcConnectionProvider connectionProvider = new SimpleJdbcConnectionProvider(options);
+ Connection connection = connectionProvider.getConnection();
+ connection.close();
+ }
+ };
+ thread.setName("Loading " + options.getDriverName());
+ thread.setDaemon(true);
+ return thread;
+ };
+
+ CheckedThread connectionThread1 = connectionThreadCreator.apply(connectionOptions1);
+ CheckedThread connectionThread2 = connectionThreadCreator.apply(connectionOptions2);
+
+ connectionThread1.start();
+ connectionThread2.start();
+
+ Thread.sleep(2);
+ startLatch.countDown();
+
+ connectionThread1.sync();
+ connectionThread2.sync();
+
+ assertTrue(isClassLoaded(classLoader, FakeDBUtils.DRIVER1_CLASS_NAME));
+ assertTrue(isClassLoaded(classLoader, FakeDBUtils.DRIVER2_CLASS_NAME));
+ }
+}
diff --git a/flink-connectors/flink-connector-jdbc/src/test/resources/META-INF/services/java.sql.Driver b/flink-connectors/flink-connector-jdbc/src/test/resources/META-INF/services/java.sql.Driver
new file mode 100644
index 0000000000000..46ec4f1f1feb8
--- /dev/null
+++ b/flink-connectors/flink-connector-jdbc/src/test/resources/META-INF/services/java.sql.Driver
@@ -0,0 +1,17 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+
+org.apache.flink.connector.jdbc.fakedb.driver.FakeDriver1
+org.apache.flink.connector.jdbc.fakedb.driver.FakeDriver2