diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/javacc/PigletParser.jj b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/javacc/PigletParser.jj
index bb8db50..103003c 100644
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/javacc/PigletParser.jj
+++ b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/src/main/javacc/PigletParser.jj
@@ -388,3 +388,8 @@
 {
  < #Extender : ["\u00b7", "\u02d0", "\u02d1", "\u0387", "\u0640", "\u0e46", "\u0ec6", "\u3005", "\u3031" - "\u3035", "\u309d" - "\u309e", "\u30fc" - "\u30fe"] >
 }
+
+SKIP:
+{
+ <"--" (~["\n","\r"])* ("\n"|"\r"|"\r\n")?>
+}
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/testcases/q1.piglet b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/testcases/q1.piglet
index 88111ff..ff1806e 100644
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/testcases/q1.piglet
+++ b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/testcases/q1.piglet
@@ -1,2 +1,19 @@
+-- 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.
+
 R = load "nc1:data/file1.txt,nc2:data/file2.txt" as (id : int, name : chararray);
 dump R into "nc1:output";
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/testcases/q2.piglet b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/testcases/q2.piglet
index 5c45ac1..0335b7d 100644
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/testcases/q2.piglet
+++ b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/testcases/q2.piglet
@@ -1,3 +1,20 @@
+-- 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.
+
 R = load "nc1:data/file1.txt,nc2:data/file2.txt" as (id : int, name : chararray);
 S = filter R by id == 5;
 dump S into "nc1:output";
diff --git a/hyracks-fullstack/algebricks/algebricks-tests/pom.xml b/hyracks-fullstack/algebricks/algebricks-tests/pom.xml
index 345c0fe..1d509cf 100644
--- a/hyracks-fullstack/algebricks/algebricks-tests/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-tests/pom.xml
@@ -67,6 +67,16 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.apache.rat</groupId>
+        <artifactId>apache-rat-plugin</artifactId>
+        <configuration>
+          <excludes>
+            <exclude>data/**</exclude>
+            <exclude>src/test/resources/results/scanMicroSortWrite.out</exclude>
+          </excludes>
+        </configuration>
+      </plugin>
     </plugins>
     <pluginManagement>
       <plugins>
diff --git a/hyracks-fullstack/algebricks/pom.xml b/hyracks-fullstack/algebricks/pom.xml
index 535f533..c8591e7 100644
--- a/hyracks-fullstack/algebricks/pom.xml
+++ b/hyracks-fullstack/algebricks/pom.xml
@@ -38,19 +38,6 @@
     </license>
   </licenses>
 
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.apache.rat</groupId>
-        <artifactId>apache-rat-plugin</artifactId>
-        <version>0.11</version>
-        <configuration>
-          <skip>true</skip>
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
-
   <properties>
     <root.dir>${basedir}/..</root.dir>
   </properties>