null check

igvteam · Oct 7, 2024 · 15e8c2a · 15e8c2a
1 parent 51ced33
commit 15e8c2a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/org/broad/igv/track/AbstractTrack.java b/src/main/java/org/broad/igv/track/AbstractTrack.java
@@ -856,7 +856,7 @@ public String getTooltipText(int y) {
         buffer.append("<html>" + getName());
 
         Map<String, String> metadata = resourceLocator.getMetadata();
-        if(metadata.size() > 0) {
+        if(metadata != null && metadata.size() > 0) {
             for(Map.Entry<String, String> entry : metadata.entrySet()) {
                 String value = entry.getValue();
                 if(value != null && value.length() > 0) {