HADOOP-12500. Change pom.xml to create the hadoop-common-client project. Contributed by Haohui Mai.
diff --git a/hadoop-common-project/hadoop-common-client/dev-support/findbugsExcludeFile.xml b/hadoop-common-project/hadoop-common-client/dev-support/findbugsExcludeFile.xml
new file mode 100644
index 0000000..40d78d0
--- /dev/null
+++ b/hadoop-common-project/hadoop-common-client/dev-support/findbugsExcludeFile.xml
@@ -0,0 +1,18 @@
+<!--
+   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.
+-->
+<FindBugsFilter>
+</FindBugsFilter>
diff --git a/hadoop-common-project/hadoop-common-client/pom.xml b/hadoop-common-project/hadoop-common-client/pom.xml
new file mode 100644
index 0000000..cd360c5
--- /dev/null
+++ b/hadoop-common-project/hadoop-common-client/pom.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed 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. See accompanying LICENSE file.
+-->
+<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/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apache.hadoop</groupId>
+    <artifactId>hadoop-project-dist</artifactId>
+    <version>3.0.0-SNAPSHOT</version>
+    <relativePath>../../hadoop-project-dist</relativePath>
+  </parent>
+  <artifactId>hadoop-common-client</artifactId>
+  <version>3.0.0-SNAPSHOT</version>
+  <description>Common client-side libraries for Apache Hadoop</description>
+  <name>Apache Hadoop Common Client</name>
+  <packaging>jar</packaging>
+
+  <dependencies>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.rat</groupId>
+        <artifactId>apache-rat-plugin</artifactId>
+        <configuration>
+          <excludes>
+            <exclude>dev-support/findbugsExcludeFile.xml</exclude>
+          </excludes>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <configuration>
+          <excludePackageNames>org.apache.hadoop.hdfs.protocol.proto</excludePackageNames>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/hadoop-common-project/hadoop-common/pom.xml b/hadoop-common-project/hadoop-common/pom.xml
index 21af670..811b22e 100644
--- a/hadoop-common-project/hadoop-common/pom.xml
+++ b/hadoop-common-project/hadoop-common/pom.xml
@@ -207,6 +207,11 @@
     </dependency>
     <dependency>
       <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-common-client</artifactId>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-auth</artifactId>
       <type>test-jar</type>
       <scope>test</scope>
diff --git a/hadoop-common-project/pom.xml b/hadoop-common-project/pom.xml
index ef49f9c..98a59f3 100644
--- a/hadoop-common-project/pom.xml
+++ b/hadoop-common-project/pom.xml
@@ -33,6 +33,7 @@
   <modules>
     <module>hadoop-auth</module>
     <module>hadoop-auth-examples</module>
+    <module>hadoop-common-client</module>
     <module>hadoop-common</module>
     <module>hadoop-annotations</module>
     <module>hadoop-nfs</module>
diff --git a/hadoop-project/pom.xml b/hadoop-project/pom.xml
index 9724b18..aee87bc 100644
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@ -135,6 +135,11 @@
       </dependency>
       <dependency>
         <groupId>org.apache.hadoop</groupId>
+        <artifactId>hadoop-common-client</artifactId>
+        <version>${project.version}</version>
+      </dependency>
+      <dependency>
+        <groupId>org.apache.hadoop</groupId>
         <artifactId>hadoop-common</artifactId>
         <version>${project.version}</version>
         <type>test-jar</type>