Attempting to get ErrorProne working on JDK11

hapi-fhir-base/src/main/java/ca/uhn/fhir/util/PortUtil.java

@@ -9,9 +9,9 @@ package ca.uhn.fhir.util;
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- *
+ * 
  *      http://www.apache.org/licenses/LICENSE-2.0
- *
+ * 
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

pom.xml

@@ -1356,6 +1356,7 @@
 						<maxmem>2000m</maxmem>
 					</configuration>
 					<dependencies>
+						<!--
 						<dependency>
 							<groupId>com.google.errorprone</groupId>
 							<artifactId>error_prone_core</artifactId>
@@ -1381,6 +1382,7 @@
 							<artifactId>plexus-utils</artifactId>
 							<version>3.1.0</version>
 						</dependency>
+						-->
 					</dependencies>
 				</plugin>
 				<plugin>
@@ -2279,7 +2281,17 @@
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-compiler-plugin</artifactId>
 						<configuration>
-							<compilerId>javac-with-errorprone</compilerId>
+							<compilerArgs>
+								<arg>-XDcompilePolicy=simple</arg>
+								<arg>-Xplugin:ErrorProne</arg>
+							</compilerArgs>
+							<annotationProcessorPaths>
+								<path>
+									<groupId>com.google.errorprone</groupId>
+									<artifactId>error_prone_core</artifactId>
+									<version>2.3.2</version>
+								</path>
+							</annotationProcessorPaths>
 						</configuration>
 					</plugin>
 				</plugins>