azkaban-aplcache

diff --git a/.travis.yml b/.travis.yml
index d7354f9..d1aa00a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,6 @@
 languages: java
-# TODO(dzc): Add openjdk8 once it is available in Travis.
+# TODO: Add openjdk8 once it is available in Travis.
 jdk:
-  - openjdk7
-  - oraclejdk7
   - oraclejdk8
 sudo: false
-script: ./gradlew distTar
+script: ./gradlew clean build

diff --git a/build.gradle b/build.gradle
index 23f539d..59d1858 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,6 +35,8 @@ subprojects {
   }
 
   plugins.withType(JavaPlugin) {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+
     // Set the Title and Version fields in the jar
     jar {
       manifest {
@@ -85,3 +87,10 @@ subprojects {
 task wrapper(type: Wrapper) {
   gradleVersion = '2.7'
 }
+
+idea {
+  project {
+    languageLevel = '1.8'
+    vcs = 'Git'
+  }
+}