FOP-3072: Empty link url gives NPE

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1900951 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 6 insertions, 4 deletions

diff --git a/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java b/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
index da010d21a..84e4e3a2c 100644
--- a/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
+++ b/fop-core/src/main/java/org/apache/fop/render/intermediate/IFRenderer.java
@@ -980,10 +980,12 @@ public class IFRenderer extends AbstractPathOrientedRenderer {
             this.deferredLinks.add(link);
         } else if (ip instanceof BasicLinkArea) {
             BasicLinkArea linkArea = (BasicLinkArea) ip;
-            String id = linkArea.getResolver().getIDRefs()[0];
-            action = getGoToActionForID(id, -1);
-            Link link = new Link(action, ipRect);
-            this.deferredLinks.add(link);
+            if (linkArea.getResolver() != null) {
+                String id = linkArea.getResolver().getIDRefs()[0];
+                action = getGoToActionForID(id, -1);
+                Link link = new Link(action, ipRect);
+                this.deferredLinks.add(link);
+            }
         }
     }