zeppelin git commit: [Docs] Update java version to 1.8

[jo...@apache.org]

Repository: zeppelin
Updated Branches:
  refs/heads/master a962ea1a9 -> 0ca247b1b


[Docs] Update java version to 1.8

### What is this PR for?
This continues https://github.com/apache/zeppelin/pull/3029 (ZEPPELIN-621 - Bump Java version to Java 8)

### What type of PR is it?
Bug Fix

### Questions:
* Does the licenses files need update? no
* Is there breaking changes for older versions? no
* Does this needs documentation? no

Author: Maxim Belousov <me...@ya.ru>

Closes #3048 from mebelousov/java1.8doc and squashes the following commits:

c91fa4785 [Maxim Belousov] Merge branch 'master' of https://github.com/apache/zeppelin into java1.8doc
ce80fe893 [Maxim Belousov] Update version in yarn_install
877dcbbe8 [Maxim Belousov] Update java version to 1.8 in docs


Project: http://git-wip-us.apache.org/repos/asf/zeppelin/repo
Commit: http://git-wip-us.apache.org/repos/asf/zeppelin/commit/0ca247b1
Tree: http://git-wip-us.apache.org/repos/asf/zeppelin/tree/0ca247b1
Diff: http://git-wip-us.apache.org/repos/asf/zeppelin/diff/0ca247b1

Branch: refs/heads/master
Commit: 0ca247b1b8d3e48585b06d52928e376c78b0665e
Parents: a962ea1
Author: Maxim Belousov <me...@ya.ru>
Authored: Tue Jul 3 19:49:48 2018 +0300
Committer: Jongyoul Lee <jo...@apache.org>
Committed: Wed Jul 4 18:10:11 2018 +0900

----------------------------------------------------------------------
 docs/quickstart/install.md            | 2 +-
 docs/setup/deployment/yarn_install.md | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/zeppelin/blob/0ca247b1/docs/quickstart/install.md
----------------------------------------------------------------------
diff --git a/docs/quickstart/install.md b/docs/quickstart/install.md
index 876b81c..417652d 100644
--- a/docs/quickstart/install.md
+++ b/docs/quickstart/install.md
@@ -36,7 +36,7 @@ Apache Zeppelin officially supports and is tested on the following environments:
   </tr>
   <tr>
     <td>Oracle JDK</td>
-    <td>1.7 <br /> (set <code>JAVA_HOME</code>)</td>
+    <td>1.8 (171) <br /> (set <code>JAVA_HOME</code>)</td>
   </tr>
   <tr>
     <td>OS</td>

http://git-wip-us.apache.org/repos/asf/zeppelin/blob/0ca247b1/docs/setup/deployment/yarn_install.md
----------------------------------------------------------------------
diff --git a/docs/setup/deployment/yarn_install.md b/docs/setup/deployment/yarn_install.md
index b596799..fd39c84 100644
--- a/docs/setup/deployment/yarn_install.md
+++ b/docs/setup/deployment/yarn_install.md
@@ -45,7 +45,7 @@ Its assumed in the rest of the document that zeppelin user is indeed created and
 ### List of Prerequisites
 
  * CentOS 6.x, Mac OSX, Ubuntu 14.X
- * Java 1.7
+ * Java 1.8
  * Hadoop client
  * Spark
  * Internet connection is required.
@@ -89,7 +89,7 @@ cp /home/zeppelin/zeppelin/conf/zeppelin-env.sh.template /home/zeppelin/zeppelin
 Set the following properties
 
 ```bash
-export JAVA_HOME="/usr/java/jdk1.7.0_79"
+export JAVA_HOME="/usr/java/jdk1.8.0_171"
 export HADOOP_CONF_DIR="/etc/hadoop/conf"
 export ZEPPELIN_JAVA_OPTS="-Dhdp.version=2.3.1.0-2574"
 export SPARK_HOME="/usr/lib/spark"