HBASE-18698 MapreduceDependencyClasspathTool does not include hbase-server as a dependency

Move Driver to be the main-class in hbase-mapreduce jar rather than
in the hbase-server jar.

Reference the hbase-server and shaded protobuf so they get bundled
when you do 'hbase mapredcp'.

hbase-mapreduce/pom.xml

@@ -52,6 +52,20 @@
           <skipAssembly>true</skipAssembly>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <configuration>
+          <archive>
+            <manifest>
+              <!--Include the Driver class as the 'main'.
+                   Executing the jar will then show a list of the basic MR jobs.
+                   -->
+              <mainClass>org/apache/hadoop/hbase/mapreduce/Driver</mainClass>
+            </manifest>
+          </archive>
+        </configuration>
+      </plugin>
       <!-- Testing plugins -->
       <plugin>
         <artifactId>maven-surefire-plugin</artifactId>

hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapred/TableMapReduceUtil.java

@@ -362,8 +362,6 @@ public class TableMapReduceUtil {
     org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil.addHBaseDependencyJars(job);
     org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil.addDependencyJarsForClasses(
       job,
-      // when making changes here, consider also mapreduce.TableMapReduceUtil
-      // pull job classes
       job.getMapOutputKeyClass(),
       job.getMapOutputValueClass(),
       job.getOutputKeyClass(),

hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/Driver.java

@@ -51,9 +51,9 @@ public class Driver {
     pgd.addClass(CopyTable.NAME, CopyTable.class,
         "Export a table from local cluster to peer cluster.");
     pgd.addClass(VerifyReplication.NAME, VerifyReplication.class, "Compare" +
-        " the data from tables in two different clusters. WARNING: It" +
-        " doesn't work for incrementColumnValues'd cells since the" +
-        " timestamp is changed after being appended to the log.");
+        " data from tables in two different clusters. It" +
+        " doesn't work for incrementColumnValues'd cells since" +
+        " timestamp is changed after appending to WAL.");
     pgd.addClass(WALPlayer.NAME, WALPlayer.class, "Replay WAL files.");
     pgd.addClass(ExportSnapshot.NAME, ExportSnapshot.class, "Export" +
         " the specific snapshot to a given FileSystem.");

hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.java

@@ -784,6 +784,7 @@ public class TableMapReduceUtil {
       org.apache.hadoop.hbase.protobuf.generated.ClientProtos.class, // hbase-protocol
       org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.class, // hbase-protocol-shaded
       org.apache.hadoop.hbase.client.Put.class,                      // hbase-client
+      org.apache.hadoop.hbase.ipc.RpcServer.class,                   // hbase-server
       org.apache.hadoop.hbase.CompatibilityFactory.class,            // hbase-hadoop-compat
       org.apache.hadoop.hbase.mapreduce.JobUtil.class,               // hbase-hadoop2-compat
       org.apache.hadoop.hbase.mapreduce.TableMapper.class,           // hbase-server
@@ -794,6 +795,7 @@ public class TableMapReduceUtil {
       org.apache.zookeeper.ZooKeeper.class,
       org.apache.hadoop.hbase.shaded.io.netty.channel.Channel.class,
       com.google.protobuf.Message.class,
+      org.apache.hadoop.hbase.shaded.com.google.protobuf.UnsafeByteOperations.class,
       org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists.class,
       org.apache.htrace.Trace.class,
       com.codahale.metrics.MetricRegistry.class);

hbase-server/pom.xml

@@ -117,11 +117,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>
         <configuration>
-          <archive>
-            <manifest>
-              <mainClass>org/apache/hadoop/hbase/mapreduce/Driver</mainClass>
-            </manifest>
-          </archive>
           <!-- Exclude these 2 packages, because their dependency _binary_ files
             include the sources, and Maven 2.2 appears to add them to the sources to compile,
             weird -->