X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.nattable%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fnattable%2FNatTableGraphExplorer.java;h=aa384ad1d75e5abe61fbe3b0ede5a66218e67d47;hb=da7836ef4008c742ae62af3ed7c3218492456adf;hp=3bb05553dc7456e073d52b44e526688c2beffdc0;hpb=c26409b1caf2f1e560d37c5befd11b442399c3fe;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/NatTableGraphExplorer.java b/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/NatTableGraphExplorer.java
index 3bb05553d..aa384ad1d 100644
--- a/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/NatTableGraphExplorer.java
+++ b/bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/NatTableGraphExplorer.java
@@ -1858,10 +1858,9 @@ public class NatTableGraphExplorer extends GraphExplorerImplBase implements Grap
 			if (modifier == null)
 				return false;
 			
-			String err =  modifier.isValid(newValue.toString());
+			String err =  modifier.isValid(newValue != null ? newValue.toString() : "");
 			if (err == null)
 				return true;
-			modifier.isValid(newValue.toString());
 			throw new ValidationFailedException(err);
     	}
     }