diff --git a/solarnet/common/src/main/java/net/solarnetwork/central/web/PingController.java b/solarnet/common/src/main/java/net/solarnetwork/central/web/PingController.java
index 54edeaa16..9f3e2ffa9 100644
--- a/solarnet/common/src/main/java/net/solarnetwork/central/web/PingController.java
+++ b/solarnet/common/src/main/java/net/solarnetwork/central/web/PingController.java
@@ -36,7 +36,6 @@
 import java.util.concurrent.TimeoutException;
 import org.springframework.http.MediaType;
 import org.springframework.scheduling.concurrent.CustomizableThreadFactory;
-import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
@@ -54,14 +53,23 @@
  * @author matt
  * @version 3.1
  */
-@Controller
-@RequestMapping("/ping")
 public class PingController {
 
 	private static final ExecutorService EXECUTOR = Executors
 			.newCachedThreadPool(new CustomizableThreadFactory("Ping-"));
 
-	private List<PingTest> tests = null;
+	private final List<PingTest> tests;
+
+	/**
+	 * Constructor.
+	 * 
+	 * @param tests
+	 *        the tests
+	 */
+	public PingController(List<PingTest> tests) {
+		super();
+		this.tests = tests;
+	}
 
 	private PingResults executeTests() {
 		final Instant now = Instant.now();
@@ -186,12 +194,13 @@ public boolean isAllGood() {
 
 	}
 
+	/**
+	 * Get the ping tests.
+	 * 
+	 * @return the tests
+	 */
 	public List<PingTest> getTests() {
 		return tests;
 	}
 
-	public void setTests(List<PingTest> tests) {
-		this.tests = tests;
-	}
-
 }
diff --git a/solarnet/oscp-fp/src/main/java/net/solarnetwork/central/oscp/fp/config/WebConfig.java b/solarnet/oscp-fp/src/main/java/net/solarnetwork/central/oscp/fp/config/WebConfig.java
index 9232f6a83..bfb129c08 100644
--- a/solarnet/oscp-fp/src/main/java/net/solarnetwork/central/oscp/fp/config/WebConfig.java
+++ b/solarnet/oscp-fp/src/main/java/net/solarnetwork/central/oscp/fp/config/WebConfig.java
@@ -25,7 +25,6 @@
 import static net.solarnetwork.central.oscp.web.OscpWebUtils.RESPONSE_SENT;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
@@ -45,26 +44,20 @@
  * Web layer configuration.
  * 
  * @author matt
- * @version 1.0
+ * @version 1.1
  */
 @Configuration
 @Import({ WebServiceErrorAttributes.class })
 public class WebConfig implements WebMvcConfigurer {
 
-	@Autowired(required = false)
-	private List<PingTest> pingTests;
-
-	@Bean
-	public PingController pingController() {
-		PingController controller = new PingController();
-		controller.setTests(pingTests);
-		return controller;
-	}
-
 	@Controller
 	@RequestMapping("/ping")
 	static class SolarOscpFpPingController extends PingController {
-		// nothing new
+
+		public SolarOscpFpPingController(List<PingTest> tests) {
+			super(tests);
+		}
+
 	}
 
 	@Override
diff --git a/solarnet/oscp-sim-cp/src/main/java/net/solarnetwork/oscp/sim/cp/config/WebConfig.java b/solarnet/oscp-sim-cp/src/main/java/net/solarnetwork/oscp/sim/cp/config/WebConfig.java
index e03e9994f..5d84a8f11 100644
--- a/solarnet/oscp-sim-cp/src/main/java/net/solarnetwork/oscp/sim/cp/config/WebConfig.java
+++ b/solarnet/oscp-sim-cp/src/main/java/net/solarnetwork/oscp/sim/cp/config/WebConfig.java
@@ -25,7 +25,6 @@
 import static net.solarnetwork.central.oscp.web.OscpWebUtils.RESPONSE_SENT;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
@@ -45,26 +44,20 @@
  * Web layer configuration.
  * 
  * @author matt
- * @version 1.0
+ * @version 1.1
  */
 @Configuration
 @Import({ WebServiceErrorAttributes.class, WebServiceGlobalControllerSupport.class })
 public class WebConfig implements WebMvcConfigurer {
 
-	@Autowired(required = false)
-	private List<PingTest> pingTests;
-
-	@Bean
-	public PingController pingController() {
-		PingController controller = new PingController();
-		controller.setTests(pingTests);
-		return controller;
-	}
-
 	@Controller
 	@RequestMapping("/ping")
 	static class SolarOscpSimCpPingController extends PingController {
-		// nothing new
+
+		public SolarOscpSimCpPingController(List<PingTest> tests) {
+			super(tests);
+		}
+
 	}
 
 	@Override
diff --git a/solarnet/solardnp3/src/main/java/net/solarnetwork/central/dnp3/app/config/WebConfig.java b/solarnet/solardnp3/src/main/java/net/solarnetwork/central/dnp3/app/config/WebConfig.java
index 8585c8068..6b16d3c81 100644
--- a/solarnet/solardnp3/src/main/java/net/solarnetwork/central/dnp3/app/config/WebConfig.java
+++ b/solarnet/solardnp3/src/main/java/net/solarnetwork/central/dnp3/app/config/WebConfig.java
@@ -24,8 +24,6 @@
 
 import java.util.List;
 import java.util.concurrent.TimeUnit;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.stereotype.Controller;
@@ -41,26 +39,20 @@
  * Web layer configuration.
  * 
  * @author matt
- * @version 1.0
+ * @version 1.1
  */
 @Configuration
 @Import({ WebServiceErrorAttributes.class })
 public class WebConfig implements WebMvcConfigurer {
 
-	@Autowired(required = false)
-	private List<PingTest> pingTests;
-
-	@Bean
-	public PingController pingController() {
-		SolarDnp3PingController controller = new SolarDnp3PingController();
-		controller.setTests(pingTests);
-		return controller;
-	}
-
 	@Controller
 	@RequestMapping("/ping")
 	static class SolarDnp3PingController extends PingController {
-		// nothing new
+
+		public SolarDnp3PingController(List<PingTest> tests) {
+			super(tests);
+		}
+
 	}
 
 	@Override
diff --git a/solarnet/solarin/src/main/java/net/solarnetwork/central/in/config/WebConfig.java b/solarnet/solarin/src/main/java/net/solarnetwork/central/in/config/WebConfig.java
index 4af1ff905..25bfed37e 100644
--- a/solarnet/solarin/src/main/java/net/solarnetwork/central/in/config/WebConfig.java
+++ b/solarnet/solarin/src/main/java/net/solarnetwork/central/in/config/WebConfig.java
@@ -28,12 +28,12 @@
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.http.CacheControl;
 import org.springframework.http.MediaType;
+import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
@@ -55,26 +55,21 @@
  * Web layer configuration.
  * 
  * @author matt
- * @version 1.0
+ * @version 1.1
  */
 @Configuration
 @Import({ WebServiceErrorAttributes.class, WebServiceControllerSupport.class,
 		WebServiceGlobalControllerSupport.class })
 public class WebConfig implements WebMvcConfigurer {
 
-	@Autowired(required = false)
-	private List<PingTest> pingTests;
-
-	@Bean
-	public PingController pingController() {
-		SolarInPingController controller = new SolarInPingController();
-		controller.setTests(pingTests);
-		return controller;
-	}
-
+	@Controller
 	@RequestMapping("/solarin/ping")
 	static class SolarInPingController extends PingController {
-		// nothing new
+
+		public SolarInPingController(List<PingTest> tests) {
+			super(tests);
+		}
+
 	}
 
 	@SuppressWarnings("deprecation")
diff --git a/solarnet/solarjobs/src/main/java/net/solarnetwork/central/jobs/config/WebConfig.java b/solarnet/solarjobs/src/main/java/net/solarnetwork/central/jobs/config/WebConfig.java
index e2d51484e..d3b0e0004 100644
--- a/solarnet/solarjobs/src/main/java/net/solarnetwork/central/jobs/config/WebConfig.java
+++ b/solarnet/solarjobs/src/main/java/net/solarnetwork/central/jobs/config/WebConfig.java
@@ -23,10 +23,10 @@
 package net.solarnetwork.central.jobs.config;
 
 import java.util.List;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import net.solarnetwork.central.web.PingController;
 import net.solarnetwork.central.web.support.WebServiceControllerSupport;
@@ -38,21 +38,21 @@
  * Web layer configuration.
  * 
  * @author matt
- * @version 1.0
+ * @version 1.1
  */
 @Configuration
 @Import({ WebServiceErrorAttributes.class, WebServiceControllerSupport.class,
 		WebServiceGlobalControllerSupport.class })
 public class WebConfig implements WebMvcConfigurer {
 
-	@Autowired(required = false)
-	private List<PingTest> pingTests;
+	@Controller
+	@RequestMapping("/ping")
+	static class SolarJobsPingController extends PingController {
+
+		public SolarJobsPingController(List<PingTest> tests) {
+			super(tests);
+		}
 
-	@Bean
-	public PingController pingController() {
-		PingController controller = new PingController();
-		controller.setTests(pingTests);
-		return controller;
 	}
 
 }
diff --git a/solarnet/solarocpp/src/main/java/net/solarnetwork/central/in/ocpp/config/WebConfig.java b/solarnet/solarocpp/src/main/java/net/solarnetwork/central/in/ocpp/config/WebConfig.java
index 5a72dae4d..e1865600d 100644
--- a/solarnet/solarocpp/src/main/java/net/solarnetwork/central/in/ocpp/config/WebConfig.java
+++ b/solarnet/solarocpp/src/main/java/net/solarnetwork/central/in/ocpp/config/WebConfig.java
@@ -28,12 +28,12 @@
 import java.util.List;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 import org.springframework.http.CacheControl;
 import org.springframework.http.MediaType;
+import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
@@ -55,26 +55,21 @@
  * Web layer configuration.
  * 
  * @author matt
- * @version 1.0
+ * @version 1.1
  */
 @Configuration
 @Import({ WebServiceErrorAttributes.class, WebServiceControllerSupport.class,
 		WebServiceGlobalControllerSupport.class })
 public class WebConfig implements WebMvcConfigurer {
 
-	@Autowired(required = false)
-	private List<PingTest> pingTests;
-
-	@Bean
-	public PingController pingController() {
-		SolarOcppPingController controller = new SolarOcppPingController();
-		controller.setTests(pingTests);
-		return controller;
-	}
-
+	@Controller
 	@RequestMapping("/solarocpp/ping")
 	static class SolarOcppPingController extends PingController {
-		// nothing new
+
+		public SolarOcppPingController(List<PingTest> tests) {
+			super(tests);
+		}
+
 	}
 
 	@SuppressWarnings("deprecation")
diff --git a/solarnet/solarquery/src/main/java/net/solarnetwork/central/query/config/WebConfig.java b/solarnet/solarquery/src/main/java/net/solarnetwork/central/query/config/WebConfig.java
index 5b4fd68a8..85d43b33f 100644
--- a/solarnet/solarquery/src/main/java/net/solarnetwork/central/query/config/WebConfig.java
+++ b/solarnet/solarquery/src/main/java/net/solarnetwork/central/query/config/WebConfig.java
@@ -45,8 +45,10 @@
 import org.springframework.format.datetime.standard.TemporalAccessorParser;
 import org.springframework.format.datetime.standard.TemporalAccessorPrinter;
 import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.stereotype.Controller;
 import org.springframework.util.AntPathMatcher;
 import org.springframework.util.PathMatcher;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.cors.CorsConfiguration;
 import org.springframework.web.servlet.config.annotation.CorsRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@@ -72,7 +74,7 @@
  * Web layer configuration.
  * 
  * @author matt
- * @version 1.0
+ * @version 1.1
  */
 @Configuration
 @Import({ WebServiceErrorAttributes.class, WebServiceControllerSupport.class,
@@ -82,9 +84,6 @@ public class WebConfig implements WebMvcConfigurer {
 	/** A qualifier for the source ID path matcher. */
 	public static final String SOURCE_ID_PATH_MATCHER = "source-id";
 
-	@Autowired(required = false)
-	private List<PingTest> pingTests;
-
 	@Autowired(required = false)
 	@Qualifier(QUERY_CACHE)
 	private ContentCachingService contentCachingService;
@@ -98,11 +97,14 @@ public PathMatcher sourceIdPathMatcher() {
 		return matcher;
 	}
 
-	@Bean
-	public PingController pingController() {
-		PingController controller = new PingController();
-		controller.setTests(pingTests);
-		return controller;
+	@Controller
+	@RequestMapping("/ping")
+	static class SolarQueryPingController extends PingController {
+
+		public SolarQueryPingController(List<PingTest> tests) {
+			super(tests);
+		}
+
 	}
 
 	@Override
diff --git a/solarnet/solaruser/src/main/java/net/solarnetwork/central/reg/config/WebConfig.java b/solarnet/solaruser/src/main/java/net/solarnetwork/central/reg/config/WebConfig.java
index e10f1c457..1c4a932a3 100644
--- a/solarnet/solaruser/src/main/java/net/solarnetwork/central/reg/config/WebConfig.java
+++ b/solarnet/solaruser/src/main/java/net/solarnetwork/central/reg/config/WebConfig.java
@@ -40,6 +40,8 @@
 import org.springframework.format.datetime.standard.TemporalAccessorParser;
 import org.springframework.format.datetime.standard.TemporalAccessorPrinter;
 import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.cors.CorsConfiguration;
 import org.springframework.web.servlet.config.annotation.AsyncSupportConfigurer;
 import org.springframework.web.servlet.config.annotation.CorsRegistry;
@@ -65,16 +67,13 @@
  * Web layer configuration.
  * 
  * @author matt
- * @version 1.2
+ * @version 1.3
  */
 @Configuration
 @Import({ WebServiceErrorAttributes.class, WebServiceControllerSupport.class,
 		WebServiceGlobalControllerSupport.class })
 public class WebConfig implements WebMvcConfigurer {
 
-	@Autowired(required = false)
-	private List<PingTest> pingTests;
-
 	@Autowired
 	private AsyncTaskExecutor taskExecutor;
 
@@ -83,11 +82,14 @@ public void configureAsyncSupport(AsyncSupportConfigurer configurer) {
 		configurer.setTaskExecutor(taskExecutor);
 	}
 
-	@Bean
-	public PingController pingController() {
-		PingController controller = new PingController();
-		controller.setTests(pingTests);
-		return controller;
+	@Controller
+	@RequestMapping("/ping")
+	static class SolarUserPingController extends PingController {
+
+		public SolarUserPingController(List<PingTest> tests) {
+			super(tests);
+		}
+
 	}
 
 	@Override