1 files changed, 2 insertions, 0 deletions
diff --git a/src/org/traccar/web/WebServer.java b/src/org/traccar/web/WebServer.java
index ba98c1b03..973f6a0a5 100644
--- a/src/org/traccar/web/WebServer.java
+++ b/src/org/traccar/web/WebServer.java
@@ -32,6 +32,7 @@ import org.eclipse.jetty.server.session.HashSessionManager;
 import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.servlet.ServletHolder;
 import org.eclipse.jetty.webapp.WebAppContext;
+import org.glassfish.jersey.jackson.JacksonFeature;
 import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.servlet.ServletContainer;
 import org.traccar.Config;
@@ -138,6 +139,7 @@ public class WebServer {
 
         ResourceConfig resourceConfig = new ResourceConfig();
         resourceConfig.register(ObjectMapperProvider.class);
+        resourceConfig.register(JacksonFeature.class);
         resourceConfig.register(ResourceErrorHandler.class);
         resourceConfig.register(SecurityRequestFilter.class);
         resourceConfig.register(CorsResponseFilter.class);