add error prone plugin

f2prateek · f2prateek · commit 3308b6498b45 · 2018-08-14T16:17:06.000-07:00
diff --git a/pom.xml b/pom.xml
@@ -159,11 +159,26 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.0</version>
+          <version>3.3</version>
           <configuration>
+            <compilerId>javac-with-errorprone</compilerId>
+            <forceJavacCompilerUse>true</forceJavacCompilerUse>
             <source>${java.version}</source>
             <target>${java.version}</target>
+            <showWarnings>true</showWarnings>
           </configuration>
+          <dependencies>
+            <dependency>
+              <groupId>org.codehaus.plexus</groupId>
+              <artifactId>plexus-compiler-javac-errorprone</artifactId>
+              <version>2.8</version>
+            </dependency>
+            <dependency>
+              <groupId>com.google.errorprone</groupId>
+              <artifactId>error_prone_core</artifactId>
+              <version>2.3.1</version>
+            </dependency>
+          </dependencies>
         </plugin>
 
         <plugin>
