svn merge -c 1343272 from trunk. Backport HADOOP-8268 to branch-2. Contributed by Radim Kolar (harsh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1343275 13f79535-47bb-0310-9956-ffa450edef68

hadoop-assemblies/pom.xml

@@ -15,7 +15,10 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 -->
-<project>
+<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>

hadoop-common-project/hadoop-annotations/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-common-project/hadoop-auth-examples/pom.xml

@@ -12,7 +12,10 @@
  See the License for the specific language governing permissions and
  limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-common-project/hadoop-auth/pom.xml

@@ -12,7 +12,10 @@
  See the License for the specific language governing permissions and
  limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -47,6 +47,9 @@ Release 2.0.1-alpha - UNRELEASED
 
     HADOOP-8329. Build fails with Java 7. (eli)
 
+    HADOOP-8268. A few pom.xml across Hadoop project
+    may fail XML validation. (Radim Kolar via harsh)
+
 Release 2.0.0-alpha - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>
@@ -331,7 +334,7 @@
                 <echo file="target/compile-proto.sh">
                     PROTO_DIR=src/main/proto
                     JAVA_DIR=target/generated-sources/java
-                    which cygpath 2> /dev/null
+                    which cygpath 2&gt; /dev/null
                     if [ $? = 1 ]; then
                       IS_WIN=false
                     else
@@ -339,8 +342,8 @@
                       WIN_PROTO_DIR=`cygpath --windows $PROTO_DIR`
                       WIN_JAVA_DIR=`cygpath --windows $JAVA_DIR`
                     fi
-                    mkdir -p $JAVA_DIR 2> /dev/null
+                    mkdir -p $JAVA_DIR 2&gt; /dev/null
-                    for PROTO_FILE in `ls $PROTO_DIR/*.proto 2> /dev/null`
+                    for PROTO_FILE in `ls $PROTO_DIR/*.proto 2&gt; /dev/null`
                     do
                         if [ "$IS_WIN" = "true" ]; then
                           protoc -I$WIN_PROTO_DIR --java_out=$WIN_JAVA_DIR $PROTO_FILE
@@ -366,7 +369,7 @@
                 <echo file="target/compile-test-proto.sh">
                     PROTO_DIR=src/test/proto
                     JAVA_DIR=target/generated-test-sources/java
-                    which cygpath 2> /dev/null
+                    which cygpath 2&gt; /dev/null
                     if [ $? = 1 ]; then
                       IS_WIN=false
                     else
@@ -374,8 +377,8 @@
                       WIN_PROTO_DIR=`cygpath --windows $PROTO_DIR`
                       WIN_JAVA_DIR=`cygpath --windows $JAVA_DIR`
                     fi
-                    mkdir -p $JAVA_DIR 2> /dev/null
+                    mkdir -p $JAVA_DIR 2&gt; /dev/null
-                    for PROTO_FILE in `ls $PROTO_DIR/*.proto 2> /dev/null`
+                    for PROTO_FILE in `ls $PROTO_DIR/*.proto 2&gt; /dev/null`
                     do
                         if [ "$IS_WIN" = "true" ]; then
                           protoc -I$WIN_PROTO_DIR --java_out=$WIN_JAVA_DIR $PROTO_FILE

hadoop-common-project/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-dist/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-hdfs-project/hadoop-hdfs-httpfs/pom.xml

@@ -14,7 +14,10 @@
 
 
 -->
-<project>
+<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>
@@ -474,7 +477,7 @@
                     <!-- Using Unix script to preserve file permissions -->
                     <echo file="${project.build.directory}/tomcat-untar.sh">
 
-                      which cygpath 2> /dev/null
+                      which cygpath 2&gt; /dev/null
                       if [ $? = 1 ]; then
                       BUILD_DIR="${project.build.directory}"
                       else
@@ -517,7 +520,7 @@
                     <!-- Using Unix script to preserve symlinks -->
                     <echo file="${project.build.directory}/dist-maketar.sh">
 
-                      which cygpath 2> /dev/null
+                      which cygpath 2&gt; /dev/null
                       if [ $? = 1 ]; then
                       BUILD_DIR="${project.build.directory}"
                       else

hadoop-hdfs-project/hadoop-hdfs/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>
@@ -217,7 +220,7 @@
                 <echo file="target/compile-proto.sh">
                     PROTO_DIR=src/main/proto
                     JAVA_DIR=target/generated-sources/java
-                    which cygpath 2> /dev/null
+                    which cygpath 2&gt; /dev/null
                     if [ $? = 1 ]; then
                       IS_WIN=false
                     else
@@ -225,8 +228,8 @@
                       WIN_PROTO_DIR=`cygpath --windows $PROTO_DIR`
                       WIN_JAVA_DIR=`cygpath --windows $JAVA_DIR`
                     fi
-                    mkdir -p $JAVA_DIR 2> /dev/null
+                    mkdir -p $JAVA_DIR 2&gt; /dev/null
-                    for PROTO_FILE in `ls $PROTO_DIR/*.proto 2> /dev/null`
+                    for PROTO_FILE in `ls $PROTO_DIR/*.proto 2&gt; /dev/null`
                     do
                         if [ "$IS_WIN" = "true" ]; then
                           protoc -I$WIN_PROTO_DIR --java_out=$WIN_JAVA_DIR $PROTO_FILE

hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-hdfs-project/hadoop-hdfs/src/contrib/fuse-dfs/pom.xml

@@ -14,7 +14,10 @@
 
 
 -->
-<project>
+<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>

hadoop-hdfs-project/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-mapreduce-client</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-mapreduce-client</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-mapreduce-client</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-mapreduce-client</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-mapreduce-client</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-mapreduce-client</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-mapreduce-client/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-mapreduce-project/hadoop-mapreduce-examples/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-api/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project xmlns:pom="http://maven.apache.org/POM/4.0.0">
+<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">
   <parent>
     <artifactId>hadoop-yarn</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn-applications</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-applications/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn-server</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn-server</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn-server</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/pom.xml

@@ -11,7 +11,10 @@
   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">
+<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>
     <artifactId>hadoop-yarn-server</artifactId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-web-proxy/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn-server</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-site/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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">
   <parent>
     <artifactId>hadoop-yarn</artifactId>
     <groupId>org.apache.hadoop</groupId>

hadoop-mapreduce-project/pom.xml

@@ -184,7 +184,7 @@
                 <!-- Using Unix script to preserve symlinks -->
                 <echo file="${project.build.directory}/dist-maketar.sh">
 
-                  which cygpath 2> /dev/null
+                  which cygpath 2&gt; /dev/null
                   if [ $? = 1 ]; then
                     BUILD_DIR="${project.build.directory}"
                   else

hadoop-project-dist/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>
@@ -340,7 +343,7 @@
                     <!-- Using Unix script to preserve symlinks -->
                     <echo file="${project.build.directory}/dist-copynativelibs.sh">
 
-                      which cygpath 2> /dev/null
+                      which cygpath 2&gt; /dev/null
                       if [ $? = 1 ]; then
                         BUILD_DIR="${project.build.directory}"
                       else
@@ -377,7 +380,7 @@
                     <!-- Using Unix script to preserve symlinks -->
                     <echo file="${project.build.directory}/dist-maketar.sh">
 
-                      which cygpath 2> /dev/null
+                      which cygpath 2&gt; /dev/null
                       if [ $? = 1 ]; then
                         BUILD_DIR="${project.build.directory}"
                       else

hadoop-project/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-tools/hadoop-archives/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-tools/hadoop-distcp/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-tools/hadoop-extras/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-tools/hadoop-rumen/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-tools/hadoop-streaming/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-tools/hadoop-tools-dist/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

hadoop-tools/pom.xml

@@ -12,7 +12,10 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>

pom.xml

@@ -12,7 +12,9 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<project>
+<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>
   <groupId>org.apache.hadoop</groupId>
   <artifactId>hadoop-main</artifactId>