Fix build issues

src/main/resources/hapi.properties

@@ -1,6 +1,7 @@
 
 # Adjust this to set the version of FHIR supported by this server. See
-# FhirVersionEnum for a list of available constants.
+# FhirVersionEnum for a list of available constants. Example values include
+# DSTU2, DSTU3, R4.
 fhir_version=DSTU3
 
 # This is the address that the FHIR server will report as its own address.

src/test/java/ca/uhn/fhir/jpa/starter/ExampleServerR4IT.java

@@ -22,7 +22,6 @@ import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
-import java.io.IOException;
 import java.net.URI;
 import java.nio.file.Paths;
 import java.util.concurrent.Future;
@@ -151,6 +150,8 @@ public class ExampleServerR4IT {
         ourCtx.getRestfulClientFactory().setSocketTimeout(1200 * 1000);
         ourServerBase = HapiProperties.getServerAddress();
         ourServerBase = "http://localhost:" + ourPort + "/hapi-fhir-jpaserver/fhir/";
+
+        ourClient = ourCtx.newRestfulGenericClient(ourServerBase);
         ourClient.registerInterceptor(new LoggingInterceptor(true));
     }