[maven-release-plugin] prepare release drill-1.12.0
diff --git a/common/pom.xml b/common/pom.xml
index 0fb6c36..011b709 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>drill-root</artifactId>
     <groupId>org.apache.drill</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-common</artifactId>
diff --git a/contrib/data/pom.xml b/contrib/data/pom.xml
index f6d401d..d535a96 100644
--- a/contrib/data/pom.xml
+++ b/contrib/data/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>drill-contrib-parent</artifactId>
     <groupId>org.apache.drill.contrib</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <groupId>org.apache.drill.contrib.data</groupId>
diff --git a/contrib/data/tpch-sample-data/pom.xml b/contrib/data/tpch-sample-data/pom.xml
index 9399967..6028204 100644
--- a/contrib/data/tpch-sample-data/pom.xml
+++ b/contrib/data/tpch-sample-data/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>drill-contrib-data-parent</artifactId>
     <groupId>org.apache.drill.contrib.data</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>tpch-sample-data</artifactId>
diff --git a/contrib/format-maprdb/pom.xml b/contrib/format-maprdb/pom.xml
index a330f8d..ff39c07 100644
--- a/contrib/format-maprdb/pom.xml
+++ b/contrib/format-maprdb/pom.xml
@@ -15,15 +15,13 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 -->
-<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-    xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<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>drill-contrib-parent</artifactId>
     <groupId>org.apache.drill.contrib</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-format-mapr</artifactId>
diff --git a/contrib/gis/pom.xml b/contrib/gis/pom.xml
index e29a8b1..ab838de 100644
--- a/contrib/gis/pom.xml
+++ b/contrib/gis/pom.xml
@@ -20,7 +20,7 @@
 	<parent>
 		<artifactId>drill-contrib-parent</artifactId>
 		<groupId>org.apache.drill.contrib</groupId>
-		<version>1.12.0-SNAPSHOT</version>
+		<version>1.12.0</version>
 	</parent>
 
 	<artifactId>drill-gis</artifactId>
diff --git a/contrib/pom.xml b/contrib/pom.xml
index 8588987..4e646e9 100644
--- a/contrib/pom.xml
+++ b/contrib/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>drill-root</artifactId>
     <groupId>org.apache.drill</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <groupId>org.apache.drill.contrib</groupId>
diff --git a/contrib/sqlline/pom.xml b/contrib/sqlline/pom.xml
index c502dd2..f85d362 100644
--- a/contrib/sqlline/pom.xml
+++ b/contrib/sqlline/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>drill-contrib-parent</artifactId>
     <groupId>org.apache.drill.contrib</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-sqlline</artifactId>
diff --git a/contrib/storage-hbase/pom.xml b/contrib/storage-hbase/pom.xml
index 11ef3c5..7484d58 100644
--- a/contrib/storage-hbase/pom.xml
+++ b/contrib/storage-hbase/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>drill-contrib-parent</artifactId>
     <groupId>org.apache.drill.contrib</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-storage-hbase</artifactId>
diff --git a/contrib/storage-hive/core/pom.xml b/contrib/storage-hive/core/pom.xml
index b35ae39..1fe0b7c 100644
--- a/contrib/storage-hive/core/pom.xml
+++ b/contrib/storage-hive/core/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.drill.contrib.storage-hive</groupId>
     <artifactId>drill-contrib-storage-hive-parent</artifactId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-storage-hive-core</artifactId>
diff --git a/contrib/storage-hive/hive-exec-shade/pom.xml b/contrib/storage-hive/hive-exec-shade/pom.xml
index d8913d5..5c799bf 100644
--- a/contrib/storage-hive/hive-exec-shade/pom.xml
+++ b/contrib/storage-hive/hive-exec-shade/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.apache.drill.contrib.storage-hive</groupId>
     <artifactId>drill-contrib-storage-hive-parent</artifactId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-hive-exec-shaded</artifactId>
diff --git a/contrib/storage-hive/pom.xml b/contrib/storage-hive/pom.xml
index 16230d9..13aac6b 100644
--- a/contrib/storage-hive/pom.xml
+++ b/contrib/storage-hive/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.drill.contrib</groupId>
     <artifactId>drill-contrib-parent</artifactId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <groupId>org.apache.drill.contrib.storage-hive</groupId>
diff --git a/contrib/storage-jdbc/pom.xml b/contrib/storage-jdbc/pom.xml
index f784c09..def4851 100755
--- a/contrib/storage-jdbc/pom.xml
+++ b/contrib/storage-jdbc/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <artifactId>drill-contrib-parent</artifactId>
     <groupId>org.apache.drill.contrib</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-jdbc-storage</artifactId>
diff --git a/contrib/storage-kafka/pom.xml b/contrib/storage-kafka/pom.xml
index 1357a4e..d00136f 100644
--- a/contrib/storage-kafka/pom.xml
+++ b/contrib/storage-kafka/pom.xml
@@ -9,15 +9,13 @@
   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. -->
-<project
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-  xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<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>drill-contrib-parent</artifactId>
     <groupId>org.apache.drill.contrib</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-storage-kafka</artifactId>
diff --git a/contrib/storage-kudu/pom.xml b/contrib/storage-kudu/pom.xml
index 32acef8..0cc5ff9 100644
--- a/contrib/storage-kudu/pom.xml
+++ b/contrib/storage-kudu/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>drill-contrib-parent</artifactId>
     <groupId>org.apache.drill.contrib</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-kudu-storage</artifactId>
diff --git a/contrib/storage-mongo/pom.xml b/contrib/storage-mongo/pom.xml
index cfd1f61..c356f8d 100644
--- a/contrib/storage-mongo/pom.xml
+++ b/contrib/storage-mongo/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>drill-contrib-parent</artifactId>
     <groupId>org.apache.drill.contrib</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-mongo-storage</artifactId>
diff --git a/contrib/storage-opentsdb/pom.xml b/contrib/storage-opentsdb/pom.xml
index aff1bfa..6c78d23 100644
--- a/contrib/storage-opentsdb/pom.xml
+++ b/contrib/storage-opentsdb/pom.xml
@@ -15,14 +15,12 @@
  See the License for the specific language governing permissions and
  limitations under the License.
 -->
-<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">
+<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>drill-contrib-parent</artifactId>
         <groupId>org.apache.drill.contrib</groupId>
-        <version>1.12.0-SNAPSHOT</version>
+        <version>1.12.0</version>
     </parent>
 
     <artifactId>drill-opentsdb-storage</artifactId>
diff --git a/distribution/pom.xml b/distribution/pom.xml
index 06981e0..635054b 100644
--- a/distribution/pom.xml
+++ b/distribution/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>drill-root</artifactId>
     <groupId>org.apache.drill</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>distribution</artifactId>
diff --git a/exec/java-exec/pom.xml b/exec/java-exec/pom.xml
index f30c1bc..9f70af2 100644
--- a/exec/java-exec/pom.xml
+++ b/exec/java-exec/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>exec-parent</artifactId>
     <groupId>org.apache.drill.exec</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
   <artifactId>drill-java-exec</artifactId>
   <name>exec/Java Execution Engine</name>
diff --git a/exec/jdbc-all/pom.xml b/exec/jdbc-all/pom.xml
index d0e9001..4a55434 100644
--- a/exec/jdbc-all/pom.xml
+++ b/exec/jdbc-all/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.drill.exec</groupId>
     <artifactId>exec-parent</artifactId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-jdbc-all</artifactId>
diff --git a/exec/jdbc/pom.xml b/exec/jdbc/pom.xml
index 16c2c8f..13b82e9 100644
--- a/exec/jdbc/pom.xml
+++ b/exec/jdbc/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>org.apache.drill.exec</groupId>
     <artifactId>exec-parent</artifactId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
   <artifactId>drill-jdbc</artifactId>
   <name>exec/JDBC Driver using dependencies</name>
diff --git a/exec/memory/base/pom.xml b/exec/memory/base/pom.xml
index dda0939..2c2f2be 100644
--- a/exec/memory/base/pom.xml
+++ b/exec/memory/base/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>memory-parent</artifactId>
     <groupId>org.apache.drill.memory</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
   <artifactId>drill-memory-base</artifactId>
   <name>exec/memory/base</name>
diff --git a/exec/memory/pom.xml b/exec/memory/pom.xml
index 4a52623..20c5f93 100644
--- a/exec/memory/pom.xml
+++ b/exec/memory/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>exec-parent</artifactId>
     <groupId>org.apache.drill.exec</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <groupId>org.apache.drill.memory</groupId>
diff --git a/exec/pom.xml b/exec/pom.xml
index 8cabdf1..a9464fa 100644
--- a/exec/pom.xml
+++ b/exec/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>drill-root</artifactId>
     <groupId>org.apache.drill</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <groupId>org.apache.drill.exec</groupId>
diff --git a/exec/rpc/pom.xml b/exec/rpc/pom.xml
index c188959..f11f768 100644
--- a/exec/rpc/pom.xml
+++ b/exec/rpc/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>exec-parent</artifactId>
     <groupId>org.apache.drill.exec</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
   <artifactId>drill-rpc</artifactId>
   <name>exec/rpc</name>
diff --git a/exec/vector/pom.xml b/exec/vector/pom.xml
index 8e22dbc..b94d9ea 100644
--- a/exec/vector/pom.xml
+++ b/exec/vector/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <artifactId>exec-parent</artifactId>
     <groupId>org.apache.drill.exec</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
   <artifactId>vector</artifactId>
   <name>exec/Vectors</name>
diff --git a/logical/pom.xml b/logical/pom.xml
index 7298e7b..6f32bc7 100644
--- a/logical/pom.xml
+++ b/logical/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>drill-root</artifactId>
     <groupId>org.apache.drill</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-logical</artifactId>
diff --git a/pom.xml b/pom.xml
index 35a8826..7a8400e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,12 +16,12 @@
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
     <version>18</version>
-    <relativePath/>
+    <relativePath />
   </parent>
 
   <groupId>org.apache.drill</groupId>
   <artifactId>drill-root</artifactId>
-  <version>1.12.0-SNAPSHOT</version>
+  <version>1.12.0</version>
   <packaging>pom</packaging>
 
   <name>Apache Drill Root POM</name>
@@ -45,7 +45,7 @@
     <ojai.version>1.1</ojai.version>
     <kerby.version>1.0.0-RC2</kerby.version>
     <findbugs.version>3.0.0</findbugs.version>
-    <netty.tcnative.classifier></netty.tcnative.classifier>
+    <netty.tcnative.classifier />
     <commons.io.version>2.4</commons.io.version>
     <junit.version>4.11</junit.version>
     <hamcrest.core.version>1.3</hamcrest.core.version>
@@ -62,7 +62,7 @@
     <javassist.version>3.16.1-GA</javassist.version>
     <msgpack.version>0.6.6</msgpack.version>
     <reflections.version>0.9.8</reflections.version>
-    <excludedGroups></excludedGroups>
+    <excludedGroups />
     <memoryMb>4096</memoryMb>
   </properties>
 
@@ -70,7 +70,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/drill.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/drill.git</developerConnection>
     <url>https://github.com/apache/drill</url>
-    <tag>HEAD</tag>
+    <tag>drill-1.12.0</tag>
   </scm>
 
   <mailingLists>
@@ -2605,8 +2605,7 @@
                   <!--<stylesheet>fancy.xsl</stylesheet>-->
                   <!--<stylesheet>summary.xsl</stylesheet>-->
                   <fileMappers>
-                    <fileMapper
-                            implementation="org.codehaus.plexus.components.io.filemappers.FileExtensionMapper">
+                    <fileMapper implementation="org.codehaus.plexus.components.io.filemappers.FileExtensionMapper">
                       <targetExtension>.html</targetExtension>
                     </fileMapper>
                   </fileMappers>
diff --git a/protocol/pom.xml b/protocol/pom.xml
index c06476e..6667cae 100644
--- a/protocol/pom.xml
+++ b/protocol/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>drill-root</artifactId>
     <groupId>org.apache.drill</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-protocol</artifactId>
diff --git a/tools/fmpp/pom.xml b/tools/fmpp/pom.xml
index 6fe7925..e9d32ac 100644
--- a/tools/fmpp/pom.xml
+++ b/tools/fmpp/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <artifactId>tools-parent</artifactId>
     <groupId>org.apache.drill.tools</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <artifactId>drill-fmpp-maven-plugin</artifactId>
diff --git a/tools/pom.xml b/tools/pom.xml
index 3aa992c..48bf94a 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>drill-root</artifactId>
     <groupId>org.apache.drill</groupId>
-    <version>1.12.0-SNAPSHOT</version>
+    <version>1.12.0</version>
   </parent>
 
   <groupId>org.apache.drill.tools</groupId>