b43736
@@ -26,6 +26,7 @@
import org.apache.camel.CamelContext;
 import org.apache.camel.Endpoint;
 import org.apache.camel.RoutesBuilder;
 import org.apache.camel.impl.DefaultCamelContext;
+import org.apache.camel.model.FromDefinition;
 import org.apache.camel.model.InterceptDefinition;
 import org.apache.camel.model.InterceptFromDefinition;
 import org.apache.camel.model.InterceptSendToEndpointDefinition;
@@ -446,8 +447,21 @@
public abstract class RouteBuilder extends BuilderSupport implements RoutesBuild
         // convert rests api-doc into routes so they are routes for runtime
         for (RestConfiguration config : camelContext.getRestConfigurations()) {
             if (config.getApiContextPath() != null) {
-                RouteDefinition route = RestDefinition.asRouteApiDefinition(camelContext, config);
-                routes.add(route);
+                // avoid adding rest-api multiple times, in case multiple RouteBuilder classes is added
+                // to the CamelContext, as we only want to setup rest-api once
+                // so we check all existing routes if they have rest-api route already added
+                boolean hasRestApi = false;
+                for (RouteDefinition route : camelContext.getRouteDefinitions()) {
+                    FromDefinition from = route.getInputs().get(0);
+                    if (from.getUri() != null && from.getUri().startsWith("rest-api:")) {
+                        hasRestApi = true;
+                    }
+                }
+                if (!hasRestApi) {
+                    RouteDefinition route = RestDefinition.asRouteApiDefinition(camelContext, config);
+                    log.debug("Adding routeId: {} as rest-api route", route.getId());
+                    routes.add(route);
+                }
             }
         }
 
