X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Futil%2FRuntimeEnvironmentRequest2.java;h=2948379be453bf58a38176b9f6414a27cad75079;hb=refs%2Fchanges%2F02%2F2702%2F2;hp=4bbd480020141b5e602c9e7f73fb1b8170410995;hpb=91584f3d7e4ec32f790224b3bbc5808c99146a18;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/RuntimeEnvironmentRequest2.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/RuntimeEnvironmentRequest2.java
index 4bbd48002..2948379be 100644
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/RuntimeEnvironmentRequest2.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/RuntimeEnvironmentRequest2.java
@@ -1,8 +1,6 @@
 package org.simantics.db.layer0.util;
 
 import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
 
 import org.simantics.db.ReadGraph;
 import org.simantics.db.Resource;
@@ -111,9 +109,14 @@ public class RuntimeEnvironmentRequest2 extends BinaryRead<Resource, Resource, R
         fillEnvironmentSpecification(environmentSpecification);
 
         Layer0 L0 = Layer0.getInstance(graph);
-        Collection<Resource> sclModules = graph.syncRequest(new ObjectsWithType(parameter, L0.ConsistsOf, L0.SCLModule));
-        for (Resource sclModule : sclModules)
-            environmentSpecification.importModule(graph.getURI(sclModule), "");
+        if (parameter != null) {
+            Collection<Resource> sclModules = graph.syncRequest(new ObjectsWithType(parameter, L0.ConsistsOf, L0.SCLModule));
+            for (Resource sclModule : sclModules) {
+                environmentSpecification.importModule(graph.getURI(sclModule), "");
+            }
+        } else {
+            // `parameter` is optional and can be null for e.g. procedural user components
+        }
 
         Resource mainModule = Layer0Utils.getPossibleChild(graph, parameter2, "SCLMain");
         if(mainModule != null)