X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.district.route%2Fsrc%2Forg%2Fsimantics%2Fdistrict%2Froute%2Finternal%2FActivator.java;h=e628862bd512ae6c0fa3088e791952b44ddbe41e;hb=c09dc875be3da5b5382833215563b442e9ceb297;hp=f26d0cd75c829ba2277dac55b47dd36f9d96d5d9;hpb=8a50380b6016a59ad08bc3d038de120ceed457f2;p=simantics%2Fdistrict.git

diff --git a/org.simantics.district.route/src/org/simantics/district/route/internal/Activator.java b/org.simantics.district.route/src/org/simantics/district/route/internal/Activator.java
index f26d0cd7..e628862b 100644
--- a/org.simantics.district.route/src/org/simantics/district/route/internal/Activator.java
+++ b/org.simantics.district.route/src/org/simantics/district/route/internal/Activator.java
@@ -51,8 +51,10 @@ public class Activator implements BundleActivator, ServiceListener {
         // Register initially availble routers
         routerTracker = new ServiceTracker<>(context, Router.class.getName(), null);
         routerTracker.open();
-        for (Object router : routerTracker.getServices()) {
-            routeService.registerRouter((Router) router);
+        Object[] routers = routerTracker.getServices();
+        if (routers != null) {
+            for (Object router : routers)
+                routeService.registerRouter((Router) router);
         }
 
         // have a service listener to implement the whiteboard pattern