JAL-4313 Clamp start and end ranges to array size

[jalview.git] / src / jalview / datamodel / AlignmentAnnotation.java

diff --git a/src/jalview/datamodel/AlignmentAnnotation.java b/src/jalview/datamodel/AlignmentAnnotation.java
index e832c2f..fdb62a1 100755 (executable)
--- a/src/jalview/datamodel/AlignmentAnnotation.java
+++ b/src/jalview/datamodel/AlignmentAnnotation.java
@@ -1625,6 +1625,8 @@ public class AlignmentAnnotation
   private void removeHiddenAnnotation(int start, int end,
           HiddenColumns hiddenColumns)
   {
+    start = Math.min(Math.max(0, start), annotations.length);
+    end = Math.min(Math.max(-1, end), annotations.length - 1);
     // mangle the alignmentAnnotation annotation array
     ArrayList<Annotation[]> annels = new ArrayList<>();
     Annotation[] els = null;