diff --git a/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalog.java b/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalog.java
index 78fade90f08..30cb4886dc6 100644
--- a/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalog.java
+++ b/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalog.java
@@ -1,3 +1,22 @@
+/*
+ * 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.gravitino.flink.connector.jdbc;
 
 import org.apache.flink.connector.jdbc.catalog.factory.JdbcCatalogFactory;
diff --git a/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalogFactory.java b/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalogFactory.java
index ec7bf5bb56d..363f45c43bc 100644
--- a/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalogFactory.java
+++ b/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalogFactory.java
@@ -1,3 +1,22 @@
+/*
+ * 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.gravitino.flink.connector.jdbc;
 
 import org.apache.gravitino.Catalog;
diff --git a/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalogFactoryOptions.java b/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalogFactoryOptions.java
index cdb87a07fde..a38c3c236b1 100644
--- a/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalogFactoryOptions.java
+++ b/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/GravitinoJdbcCatalogFactoryOptions.java
@@ -1,3 +1,22 @@
+/*
+ * 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.gravitino.flink.connector.jdbc;
 
 public class GravitinoJdbcCatalogFactoryOptions {
diff --git a/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/JdbcPropertiesConverter.java b/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/JdbcPropertiesConverter.java
index 9ae12de561a..41a2f75715e 100644
--- a/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/JdbcPropertiesConverter.java
+++ b/flink-connector/flink/src/main/java/org/apache/gravitino/flink/connector/jdbc/JdbcPropertiesConverter.java
@@ -1,3 +1,22 @@
+/*
+ * 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.gravitino.flink.connector.jdbc;
 
 import org.apache.gravitino.flink.connector.PropertiesConverter;
diff --git a/flink-connector/flink/src/test/java/org/apache/gravitino/flink/connector/integration/test/jdbc/FlinkJdbcMysqlCatalogIT.java b/flink-connector/flink/src/test/java/org/apache/gravitino/flink/connector/integration/test/jdbc/FlinkJdbcMysqlCatalogIT.java
index bef89d83a3c..ae2492e6e26 100644
--- a/flink-connector/flink/src/test/java/org/apache/gravitino/flink/connector/integration/test/jdbc/FlinkJdbcMysqlCatalogIT.java
+++ b/flink-connector/flink/src/test/java/org/apache/gravitino/flink/connector/integration/test/jdbc/FlinkJdbcMysqlCatalogIT.java
@@ -1,3 +1,22 @@
+/*
+ * 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.gravitino.flink.connector.integration.test.jdbc;
 
 import static org.apache.gravitino.integration.test.util.TestDatabaseName.MYSQL_CATALOG_MYSQL_IT;
diff --git a/flink-connector/flink/src/test/java/org/apache/gravitino/flink/connector/jdbc/TestJdbcPropertiesConverter.java b/flink-connector/flink/src/test/java/org/apache/gravitino/flink/connector/jdbc/TestJdbcPropertiesConverter.java
index 76452183c87..1b56c63c224 100644
--- a/flink-connector/flink/src/test/java/org/apache/gravitino/flink/connector/jdbc/TestJdbcPropertiesConverter.java
+++ b/flink-connector/flink/src/test/java/org/apache/gravitino/flink/connector/jdbc/TestJdbcPropertiesConverter.java
@@ -1,3 +1,22 @@
+/*
+ * 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.gravitino.flink.connector.jdbc;
 
 import com.google.common.collect.ImmutableMap;