HBASE-19355 Missing dependency on hbase-zookeeper module causes CopyTable to fail

hbase-mapreduce/pom.xml

@@ -143,6 +143,10 @@
       <groupId>org.apache.hbase</groupId>
       <artifactId>hbase-common</artifactId>
     </dependency>
+    <dependency>
+      <groupId>org.apache.hbase</groupId>
+      <artifactId>hbase-zookeeper</artifactId>
+    </dependency>
     <dependency>
       <!--Needed by ExportSnapshot. It is reading
            Snapshot protos. TODO: Move to internal types.-->

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

@@ -823,7 +823,8 @@ public class TableMapReduceUtil {
       org.apache.commons.lang3.ArrayUtils.class,
       com.fasterxml.jackson.databind.ObjectMapper.class,
       com.fasterxml.jackson.core.Versioned.class,
-      com.fasterxml.jackson.annotation.JsonView.class);
+      com.fasterxml.jackson.annotation.JsonView.class,
+      org.apache.hadoop.hbase.zookeeper.ZKWatcher.class);
   }
 
   /**