[SPARK-25015][BUILD] Update Hadoop 2.7 to 2.7.7

## What changes were proposed in this pull request?

Update Hadoop 2.7 to 2.7.7 to pull in bug and security fixes.

## How was this patch tested?

Existing tests.

Author: Sean Owen <srowen@gmail.com>

Closes apache#21987 from srowen/SPARK-25015.

assembly/README

@@ -9,4 +9,4 @@ This module is off by default. To activate it specify the profile in the command
 
 If you need to build an assembly for a different version of Hadoop the
 hadoop-version system property needs to be set as in this example:
-  -Dhadoop.version=2.7.3
+  -Dhadoop.version=2.7.7

dev/deps/spark-deps-hadoop-2.7

@@ -66,21 +66,21 @@ gson-2.2.4.jar
 guava-14.0.1.jar
 guice-3.0.jar
 guice-servlet-3.0.jar
-hadoop-annotations-2.7.3.jar
-hadoop-auth-2.7.3.jar
-hadoop-client-2.7.3.jar
-hadoop-common-2.7.3.jar
-hadoop-hdfs-2.7.3.jar
-hadoop-mapreduce-client-app-2.7.3.jar
-hadoop-mapreduce-client-common-2.7.3.jar
-hadoop-mapreduce-client-core-2.7.3.jar
-hadoop-mapreduce-client-jobclient-2.7.3.jar
-hadoop-mapreduce-client-shuffle-2.7.3.jar
-hadoop-yarn-api-2.7.3.jar
-hadoop-yarn-client-2.7.3.jar
-hadoop-yarn-common-2.7.3.jar
-hadoop-yarn-server-common-2.7.3.jar
-hadoop-yarn-server-web-proxy-2.7.3.jar
+hadoop-annotations-2.7.7.jar
+hadoop-auth-2.7.7.jar
+hadoop-client-2.7.7.jar
+hadoop-common-2.7.7.jar
+hadoop-hdfs-2.7.7.jar
+hadoop-mapreduce-client-app-2.7.7.jar
+hadoop-mapreduce-client-common-2.7.7.jar
+hadoop-mapreduce-client-core-2.7.7.jar
+hadoop-mapreduce-client-jobclient-2.7.7.jar
+hadoop-mapreduce-client-shuffle-2.7.7.jar
+hadoop-yarn-api-2.7.7.jar
+hadoop-yarn-client-2.7.7.jar
+hadoop-yarn-common-2.7.7.jar
+hadoop-yarn-server-common-2.7.7.jar
+hadoop-yarn-server-web-proxy-2.7.7.jar
 hk2-api-2.4.0-b34.jar
 hk2-locator-2.4.0-b34.jar
 hk2-utils-2.4.0-b34.jar
@@ -121,6 +121,7 @@ jersey-media-jaxb-2.22.2.jar
 jersey-server-2.22.2.jar
 jets3t-0.9.4.jar
 jetty-6.1.26.jar
+jetty-sslengine-6.1.26.jar
 jetty-util-6.1.26.jar
 jline-2.14.3.jar
 joda-time-2.9.3.jar

docs/building-spark.md

@@ -67,7 +67,7 @@ Examples:
     ./build/mvn -Pyarn -DskipTests clean package
 
     # Apache Hadoop 2.7.X and later
-    ./build/mvn -Pyarn -Phadoop-2.7 -Dhadoop.version=2.7.3 -DskipTests clean package
+    ./build/mvn -Pyarn -Phadoop-2.7 -Dhadoop.version=2.7.7 -DskipTests clean package
 
 ## Building With Hive and JDBC Support
 

pom.xml

@@ -2681,7 +2681,7 @@
     <profile>
       <id>hadoop-2.7</id>
       <properties>
-        <hadoop.version>2.7.3</hadoop.version>
+        <hadoop.version>2.7.7</hadoop.version>
         <curator.version>2.7.1</curator.version>
       </properties>
     </profile>