HADOOP-18942. Upgrade ZooKeeper to 3.7.2. (#6200)

Signed-off-by: Masatake Iwasaki <iwasakims@apache.org>

hadoop-project/pom.xml

@@ -103,7 +103,7 @@
     <hadoop-thirdparty-shaded-protobuf-prefix>${hadoop-thirdparty-shaded-prefix}.protobuf</hadoop-thirdparty-shaded-protobuf-prefix>
     <hadoop-thirdparty-shaded-guava-prefix>${hadoop-thirdparty-shaded-prefix}.com.google.common</hadoop-thirdparty-shaded-guava-prefix>
 
-    <zookeeper.version>3.6.4</zookeeper.version>
+    <zookeeper.version>3.7.2</zookeeper.version>
     <curator.version>5.2.0</curator.version>
     <findbugs.version>3.0.5</findbugs.version>
     <dnsjava.version>3.4.0</dnsjava.version>
@@ -1434,6 +1434,10 @@
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
           </exclusion>
+          <exclusion>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-client</artifactId>
+          </exclusion>
         </exclusions>
       </dependency>
       <dependency>
@@ -1462,6 +1466,10 @@
             <groupId>io.netty</groupId>
             <artifactId>netty-transport-native-epoll</artifactId>
           </exclusion>
+          <exclusion>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-client</artifactId>
+          </exclusion>
         </exclusions>
       </dependency>
       <dependency>