Switch back to Travis CI managed "jdk" installations (#672)

* Switch back to Travis CI managed "jdk" installations

* Add openjdk-ea and update maven-compiler-plugin to 3.8.0

2 files changed, 8 insertions, 18 deletions

diff --git a/.travis.yml b/.travis.yml
index 4e0a881..131324c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,27 +2,17 @@ language: java
 
 matrix:
   include:
-    - env: JDK='Oracle JDK 8'
-      jdk: oraclejdk8
-    - env: JDK='Oracle JDK 9'
-      jdk: oraclejdk9
-    - env: JDK='Oracle JDK 10'
-      install: . ./install-jdk.sh -F 10 -L BCL
-    - env: JDK='OpenJDK 10'
-      install: . ./install-jdk.sh -F 10 -L GPL
-    - env: JDK='Oracle JDK 11'
-      install: . ./install-jdk.sh -F 11 -L BCL
-    - env: JDK='OpenJDK 11'
-      install: . ./install-jdk.sh -F 11 -L GPL
+    - jdk: oraclejdk8
+    - jdk: openjdk10
+    - jdk: openjdk11
+    - jdk: openjdk-ea
   allow_failures:
-    # ErrorProne/javac is not yet working on JDK 11
-    - env: JDK='Oracle JDK 11'
-    - env: JDK='OpenJDK 11'
+    # ErrorProne/javac is not yet working on JDK 11 nor 12 (current -ea)
+    - jdk: openjdk11
+    - jdk: openjdk-ea
 
-# Direct usage of `install-jdk.sh` might be superseded by https://github.com/travis-ci/travis-build/pull/1347
 before_install:
   - unset _JAVA_OPTIONS
-  - wget https://github.com/sormuras/bach/raw/1.0.1/install-jdk.sh
 
 after_success:
   - .buildscript/deploy_snapshot.sh
diff --git a/pom.xml b/pom.xml
index 9ef844c..15c1b77 100644
--- a/pom.xml
+++ b/pom.xml
@@ -94,7 +94,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.7.0</version>
+        <version>3.8.0</version>
         <configuration>
           <compilerId>javac-with-errorprone</compilerId>
           <forceJavacCompilerUse>true</forceJavacCompilerUse>