From: Jim Procter <jprocter@issues.jalview.org>
Date: Thu, 29 Sep 2016 10:53:21 +0000 (+0100)
Subject: JAL-2236 fix: bail if no context available for subgroup
X-Git-Tag: Release_2_10_0~30^2~2^2
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=97df7d7f0c7871ce943059b4f55832648dbff319;p=jalview.git

JAL-2236 fix: bail if no context available for subgroup
---

diff --git a/src/jalview/schemes/TCoffeeColourScheme.java b/src/jalview/schemes/TCoffeeColourScheme.java
index 62f3a2e..2be51c2 100644
--- a/src/jalview/schemes/TCoffeeColourScheme.java
+++ b/src/jalview/schemes/TCoffeeColourScheme.java
@@ -86,6 +86,10 @@ public class TCoffeeColourScheme extends ResidueColourScheme
     seqMap = new IdentityHashMap<SequenceI, Color[]>();
     AnnotatedCollectionI alcontext = alignment instanceof AlignmentI ? alignment
             : alignment.getContext();
+    if (alcontext == null)
+    {
+      return;
+    }
     int w = 0;
     for (AlignmentAnnotation al : alcontext
             .findAnnotation(TCoffeeScoreFile.TCOFFEE_SCORE))