diff --git a/CHANGES.txt b/CHANGES.txt
index 509f5f806c5..ac3b70eb813 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -391,6 +391,7 @@ Release 0.92.0 - Unreleased
    HBASE-4588  The floating point arithmetic to validate memory allocation
                configurations need to be done as integers (dhruba)
    HBASE-4647  RAT finds about 40 files missing licenses
+   HBASE-4642  Add Apache License Header
 
   TESTS
    HBASE-4450  test for number of blocks read: to serve as baseline for expected
diff --git a/bin/local-master-backup.sh b/bin/local-master-backup.sh
index f935e56aee0..2c0a4c02c76 100644
--- a/bin/local-master-backup.sh
+++ b/bin/local-master-backup.sh
@@ -1,4 +1,23 @@
 #!/bin/sh
+#/**
+# * Copyright 2007 The Apache Software Foundation
+# *
+# * 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.
+# */
 # This is used for starting multiple masters on the same machine.
 # run it from hbase-dir/ just like 'bin/hbase'
 # Supports up to 10 masters (limitation = overlapping ports)
diff --git a/bin/local-regionservers.sh b/bin/local-regionservers.sh
index 5a497ce3d64..a4d5a1d9321 100644
--- a/bin/local-regionservers.sh
+++ b/bin/local-regionservers.sh
@@ -1,4 +1,23 @@
 #!/bin/sh
+#/**
+# * Copyright 2007 The Apache Software Foundation
+# *
+# * 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.
+# */
 # This is used for starting multiple regionservers on the same machine.
 # run it from hbase-dir/ just like 'bin/hbase'
 # Supports up to 100 regionservers (limitation = overlapping ports)
diff --git a/bin/set_meta_block_caching.rb b/bin/set_meta_block_caching.rb
index 7c96392c271..1ae8a42a2fe 100644
--- a/bin/set_meta_block_caching.rb
+++ b/bin/set_meta_block_caching.rb
@@ -1,3 +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.
+
 # Set in_memory=true and blockcache=true on catalog tables.
 # The .META. and -ROOT- tables can be created with caching and
 # in_memory set to false.  You want them set to true so that
diff --git a/bin/set_meta_memstore_size.rb b/bin/set_meta_memstore_size.rb
index e340a5b46e2..3bb380fbef0 100644
--- a/bin/set_meta_memstore_size.rb
+++ b/bin/set_meta_memstore_size.rb
@@ -1,6 +1,3 @@
-#
-# Copyright 2011 The Apache Software Foundation
-#
 # 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
@@ -16,8 +13,7 @@
 # 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.
-#
-# 
+
 # This script must be used on a live cluster in order to fix .META.'s 
 # MEMSTORE_SIZE back to 64MB instead of the 16KB that was configured 
 # in 0.20 era. This is only required if .META. was created at that time.
diff --git a/pom.xml b/pom.xml
index bb0ed9c3f82..2df4e9275eb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,6 +1,27 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<!--
+/**
+ * Copyright 2010 The Apache Software Foundation
+ *
+ * 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.
+ */
+-->
   <modelVersion>4.0.0</modelVersion>
   <!--To build a release I do this:
 
@@ -318,7 +339,23 @@
         <plugin>
           <groupId>org.apache.rat</groupId>
           <artifactId>apache-rat-plugin</artifactId>
-          <version>1.0-alpha-3</version>
+          <version>0.7</version>
+            <configuration>
+              <excludes>
+                <exclude>**/.*</exclude>
+                <exclude>**/target/**</exclude>
+                <exclude>**/CHANGES.txt</exclude>
+                <exclude>**/CHANGES.txt</exclude>
+                <exclude>**/generated/**</exclude>
+                <exclude>**/conf/*</exclude>
+                <exclude>**/*.avpr</exclude>
+                <exclude>**/control</exclude>
+                <exclude>**/conffile</exclude>
+                <exclude>**/8e8ab58dcf39412da19833fcd8f687ac</exclude>
+                <!--It don't like freebsd license-->
+                <exclude>src/site/resources/css/freebsd_docbook.css</exclude>
+              </excludes>
+            </configuration>
         </plugin>
         <plugin>
           <artifactId>maven-surefire-report-plugin</artifactId>
@@ -1651,7 +1688,7 @@
       <plugin>
         <groupId>org.apache.rat</groupId>
         <artifactId>apache-rat-plugin</artifactId>
-        <version>0.6</version>
+        <version>0.7</version>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>