merge -c r1460846 from trunk to branch-2 for YARN-497. Yarn unmanaged-am launcher jar does not define a main class in its manifest (Hitesh Shah via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1460847 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -38,6 +38,9 @@ Release 2.0.5-beta - UNRELEASED
     YARN-417. Create AMRMClient wrapper that provides asynchronous callbacks.
     (Sandy Ryza via bikas)
 
+    YARN-497. Yarn unmanaged-am launcher jar does not define a main class in
+    its manifest (Hitesh Shah via bikas)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/pom.xml

@@ -86,6 +86,16 @@
 
   <build>
     <plugins>
+      <plugin>
+        <artifactId>maven-jar-plugin</artifactId>
+        <configuration>
+           <archive>
+             <manifest>
+               <mainClass>org.apache.hadoop.yarn.applications.unmanagedamlauncher.UnmanagedAMLauncher</mainClass>
+             </manifest>
+           </archive>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>