From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Thu, 8 Oct 2020 14:29:24 +0000 (+0100)
Subject: JAL-3763 failsafe check for null
X-Git-Tag: Release_2_11_2_0~15^2~1^2~1^2~5
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=0a2ec403c08a1747b7e876f00f468867f8329d36;p=jalview.git

JAL-3763 failsafe check for null
---

diff --git a/src/jalview/datamodel/AlignedCodonFrame.java b/src/jalview/datamodel/AlignedCodonFrame.java
index d59078b..5240f0c 100644
--- a/src/jalview/datamodel/AlignedCodonFrame.java
+++ b/src/jalview/datamodel/AlignedCodonFrame.java
@@ -170,6 +170,10 @@ public class AlignedCodonFrame
       int[] codon = null;
       SequenceI mappedSeq = null;
       SequenceI ds = seq.getDatasetSequence();
+      if (ds == null)
+      {
+        ds = seq;
+      }
       
       if (this.fromSeq == seq || this.fromSeq == ds)
       {