Merge pull request square#642 from square/jw/2017-02-13/error-prone

Add error-prone compiler.
Faire · Feb 15, 2017 · e9e5dbf · e9e5dbf
2 parents ac69ed2 + 60312af
commit e9e5dbf
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diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,13 @@
 language: java
 
 jdk:
-  - oraclejdk7
   - oraclejdk8
 
+addons:
+  apt:
+    packages:
+      - oracle-java8-installer # Updates JDK 8 to the latest available.
+
 before_script:
   - ./gen_tests.sh
   - if [ ! -z "$(git status --porcelain)" ]; then git diff; echo -e "\nTest files changed. Did you run gen_tests.sh?"; exit 1; fi

diff --git a/pom.xml b/pom.xml
@@ -115,11 +115,25 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.1</version>
+        <version>3.6.1</version>
         <configuration>
+          <compilerId>javac-with-errorprone</compilerId>
+          <forceJavacCompilerUse>true</forceJavacCompilerUse>
           <source>${java.version}</source>
           <target>${java.version}</target>
         </configuration>
+        <dependencies>
+          <dependency>
+            <groupId>org.codehaus.plexus</groupId>
+            <artifactId>plexus-compiler-javac-errorprone</artifactId>
+            <version>2.8.1</version>
+          </dependency>
+          <dependency>
+            <groupId>com.google.errorprone</groupId>
+            <artifactId>error_prone_core</artifactId>
+            <version>2.0.16</version>
+          </dependency>
+        </dependencies>
       </plugin>
 
       <plugin>