From cd473fed3bd48c82167f3190d18666e9f1722a24 Mon Sep 17 00:00:00 2001
From: ziheng <zihenglv@gmail.com>
Date: Thu, 13 Jun 2019 21:55:39 +0800
Subject: [PATCH] [FIX] Travis-CI Java 8 building environments. (#1256)

---
 .travis.yml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 3c80f25e..f3bcb1db 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,9 @@ notifications:
 
 language: java
 
+jdk:
+  - oraclejdk8
+
 matrix:
   include:
   # On OSX, run with default JDK only.
@@ -20,8 +23,8 @@ matrix:
 before_install:
   - echo 'MAVEN_OPTS="$MAVEN_OPTS -Xmx1024m -XX:MaxPermSize=512m -XX:+BytecodeVerificationLocal"' >> ~/.mavenrc
   - cat ~/.mavenrc
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then export JAVA_HOME=$(/usr/libexec/java_home); fi
-  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then jdk_switcher use "$CUSTOM_JDK"; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export JAVA_HOME=$(/usr/libexec/java_home); fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then jdk_switcher use "$CUSTOM_JDK"; fi
 
 script:
   - travis_retry mvn -B clean apache-rat:check
-- 
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