Polling and pollingfunction fixes

[simantics/platform.git] / bundles / org.simantics.charts / src / org / simantics / charts / Charts.java

diff --git a/bundles/org.simantics.charts/src/org/simantics/charts/Charts.java b/bundles/org.simantics.charts/src/org/simantics/charts/Charts.java
index 5e4ef406db3b9185f22e553b43e88c90b1383656..8ca1ca1eafef43c9b469d6c1dcfbf40f0f7eac8f 100644 (file)
--- a/bundles/org.simantics.charts/src/org/simantics/charts/Charts.java
+++ b/bundles/org.simantics.charts/src/org/simantics/charts/Charts.java
@@ -53,6 +53,10 @@ public final class Charts {
                 throw new DatabaseException("There is no index root for " + subscriptionItem);
             }
 
+            if(data == null) {
+                throw new DatabaseException("There is no chart data for " + subscriptionItem);
+            }
+
             ItemManager im = new ItemManager(data.history.getItems());
 
             SubscriptionItem i = graph.syncRequest(new SubscriptionItemQuery(subscriptionItem));