diff --git a/pom.xml b/pom.xml
index 3974880..eab34fc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -280,10 +280,11 @@
           <version>0.9</version>
           <configuration>
             <excludes>
-              <exclude>*.patch</exclude>
-              <exclude>*.txt</exclude>
+              <exclude>**/*.patch</exclude>
+              <exclude>**/*.txt</exclude>
               <exclude>**/target/**</exclude>
-              <exclude>*.json</exclude>
+              <exclude>**/*.json</exclude>
+              <exclude>**/*.sql</exclude>
               <exclude>.vagrant/**</exclude>
               <exclude>.git/**</exclude>
               <exclude>*.md</exclude>
diff --git a/src/main/java/samza/examples/avro/AvroSerDeFactory.java b/src/main/java/samza/examples/avro/AvroSerDeFactory.java
index c96eedd..3e829e4 100644
--- a/src/main/java/samza/examples/avro/AvroSerDeFactory.java
+++ b/src/main/java/samza/examples/avro/AvroSerDeFactory.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 samza.examples.avro;
 
 import java.io.ByteArrayOutputStream;
diff --git a/src/main/java/samza/examples/sql/samza-sql-stream-table-join/src/main/resources/log4j.xml b/src/main/java/samza/examples/sql/samza-sql-stream-table-join/src/main/resources/log4j.xml
index 8a80ddf..119fefb 100644
--- a/src/main/java/samza/examples/sql/samza-sql-stream-table-join/src/main/resources/log4j.xml
+++ b/src/main/java/samza/examples/sql/samza-sql-stream-table-join/src/main/resources/log4j.xml
@@ -1,4 +1,22 @@
 <?xml version="1.0" encoding="UTF-8" ?>
+<!--
+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.
+-->
 <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
 <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
   <appender name="RollingAppender" class="org.apache.log4j.RollingFileAppender">